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DW9714V

10 bit VCM Driver IC with I2C DW9714V is designed for linear control of Voice Coil Motors (VCM). DW9714V has a single 10-bit DAC with 120mA output current sink capability. This device features Smart Actuator Control(SACTM) mode which can minimize the mechanical vibration and achieve faster mechanical settling time. DW9714V operates from 2.3V to 4.3V supply. The internal DAC is controlled via I2C serial interface that operates at clock rate up to 1MHz. DW9714V offers Power Down(PD) mode with current consumption less than 1uA. DW9714V can be used for auto focus applications in mobile cameras, digital cameras, web cameras and action cameras.

Features 120mA output driver with 10-bit resolution DAC Smart Actuator Control (SACTM) modes Supply voltage (VDD): 2.3V to 4.3V I/O voltage (VIN): 1.8V to VDD Fast Mode and Fast Mode Plus I2C interface compatible Power On Reset (POR) Power Down (PD) mode current consumption less than 1uA


Applications Mobile phone Digital camera Action camera Web camera Drone AR/VR camara

Typical Application

6 pin WLCSP W 0.77 mm H 1.14 mm D 0.30 mm

VDD

VDD

Cd

VIN

VDD GND

Rp

Rp

POR

REFERENCE

HOST

XSD SCL SDA

VDD

I2C Interface

IOUT

10bit DAC

Rs=0.5Ω

GND

Block Diagram

IOUT

DW9714V SCL

VDD

VCM

SDA XSD


DW9718S

High Efficiency Driver IC for VCM DW9718S is designed for linear control of voice coil motors(VCM). DW9718S is a single 10-bit DAC with 100mA output current sinking capability. As well as in lineal mode the part can operate in switched mode, increasing the power efficiency of a typical voice coil auto focus system. This device features Smart Actuator Control (SACTM) mode which can minimize the mechanical vibration and achieves faster mechanical settling time. DW9718S operates from a single 2.3V to 4.8V supply. The internal DAC is controlled via I2C serial interface that operates at clock rate up to 1MHz. DW9718S offers a Power Down(PD) mode with current consumption less than 1uA. DW9718S can be used for auto focus applications in mobile cameras, digital cameras, web cameras and action cameras.

Features VCM driver for auto focus High efficiency switching mode operation 100mA, 10-bit resolution DAC Smart Actuator Control (SACTM) mode / Linear Slope Control (LSC) mode Supply voltage range (VDD): 2.3V to 4.8V (Linear Mode) Fast Mode and Fast Mode Plus I2C interface compatible Power Down mode less than 1uA Power On Reset (POR) Under Voltage Lockout (UVLO), Over Current Protection (OCP)


Applications Mobile phone Digital camera Action camera Web camera Drone AR/VR camara

Typical Application

6 pin WLCSP W 0.73 mm H 1.13 mm D 0.31 mm

VDD VIN C1=1uF

R1

POR

SAC / LSC

Master

OSC VDD

SCL

I2C Interface

10 Bit DAC

SDA

Control Logic & Driver

IOUT

GND OCP

Average Control

Sensing

SENSE

Block Diagram

R2

GND

IOUT

DW9718S SCL SDA

SENSE

(+) VCM

(-)


DW9719T

Ultra Slim, High Performance VCM Driver DW9719T is with small package size and single 10-bit DAC with 100mA output current sinking capability, which is designed for linear control of voice coil motors(VCM), capable of operating voltage up to 4.8V Smart Actuator Control(SACTM) mode is applied to minimize mechanical vibrations automatically. SAC mode highly improves the actuator’s settling time and tolerance coverage compared with conventional Linear Slope Controlmode(LSC). DW9719T is controlled via I2C serial interface, which is supported Fast Mode Plus. DW9719T has a Power On Reset(POR) circuit and power down mode. POR circuit gets to operate when supply power turns on. The output current keeps 0mA until valid register value takes place. During the Power Pown(PD) mode, it consumes max. 1uA. DW9719T is designed for auto focus applications in mobile cameras, digital cameras, and other nano actuator applications.

Features VCM driver for auto focus 10bit resolution current sinking of 100mA for VCM Smart Actuator Control(SACTM) mode Supply voltage range (VDD) : 2.3V to 4.8V FastMode Plus I2C interface compatible (1.8V interface available) Power On Reset (POR) Thermal Shutdown (TSD)


Applications Mobile phone Digital camera Action camera Web camera Drone AR/VR camara

Typical Application

5 pin WLCSP W 0.72 mm H 1.02 mm D 0.30 mm

VDD

VDD

(+) VDD VIN

VDD

POR

R1 SAC

REFERENCE

TSD

VDD Master

SCL SDA

I2C Interface

IOUT 10bit DAC

Rs

GND

Block Diagram

R2

C1=1uF

GND

IOUT

DW9719T SCL SDA

(-)


DW9800W

H-Bridge Driver IC DW9800W is designed for linear control of bi-direction voice coil motors(Bi-VCM). DW9800W is a single 10-bit DAC with ±100mA output current sinking capability. DW9800W has Smart Actuator Control (SACTM) mode. SACTM mode can be applied to minimize the mechanical vibration. SACTM mode has improved the actuator’s settling time and wide tolerance coverage compared with conventional Linear Slope Control (LSC) mode. DW9800W also features an internal reference and operates from 2.3 V to 4.8V supply. DAC is controlled via I2C serial interface that operates at cloak rate up to 400kHz. DW9800W has Power On Reset (POR) circuit mode. POR circuit gets to operate when supply voltage turns on. The output current keeps 0mA until valid register value takes place. DW9800W offers Power Down(PD) mode that ensure the minimal current (max. 2uA) is consumed in shutdown mode. DW9800W is protected by Thermal Shutdown (TSD) circuit for thermal shock.

Features 10-bit resolution current sinking of ±100mA Smart Actuator Control (SACTM) mode Supply voltage range (VDD): 2.3V to 3.3V Fast Mode Plus I2C interface compatible (1.8V interface available) Power On Reset (POR) Power Down (PD) mode Thermal Shutdown (TSD)


Applications Mobile phone Digital camera Action camera Web camera Nano actuator Drone AR/VR camara

Typical Application

6 pin WLCSP W 0.73 mm H 1.13 mm D 0.31 mm

VDD

VDD VIN

Rp

TSD

VDD

REFERENCE

POR SCL SDA

I2C Interface

Controller

PreDriver

Power TR

OUTP OUTN

GND

Block Diagram

Master

C1=1uF

Rp

GND

OUTP

DW9800W SCL SDA

OUTN

(+) Bi-VCM (-)


DW9763

AF Driver IC with 8Kbyte eFlash DW9763 is designed for linear control of voice coil motors(VCM). DW9763 is a single 10-bit DAC with 100mA output current sinking capability and has 8Kbyte eFlash memory. This device features Smart Actuator Control (SAC TM) mode which can minimize the mechanical vibration and achieve faster mechanical settling time. Â DW9763 operates from 2.3V to 3.3V supply. The internal DAC and the eFlash are controlled via I2C that operates at clock rate up to 1MHz. DW9763 offers Power Down(PD) mode with current consumption less than 1uA. DW9763 can be used for auto focus applications in mobile cameras, digital cameras, web cameras and action cameras.

Features 100mA, 10-bit resolution DAC Embedded 8Kbyte eFlash memory Smart Actuator Control (SACTM) mode Supply voltage range (VDD): 2.3V to 3.3V I/O voltage range (VIN): 1.8V to VDD Fast Mode and Fast Mode Plus I2C interface compatible Power On Reset (POR) Power Down(PD) mode less than 1uA


Applications Mobile camera Digital camera Action camera Web camera Drone AR/VR camara

Typical Application

8 pin WLCSP W 0.77 mm H 1.75 mm D 0.30 mm

VDD

VDD +

Cd

VIN

VDD GND

Rp

OSCILLATOR

REFERENCE

IOUT SCL SDA

CEN ID WRTEN

Rp SCL

VDD

I2C Interface

HOST

10-bit DAC

eFlash

SDA CEN WRTEN

Rs GND

Block Diagram

IOUT

DW9763

ID SACTM

VCM -


DW9767

Bi-VCM Driver IC with 8Kb eFlash DW9767 is designed for linear control of bi-directional voice coil motors(Bi-VCM). DW9767 is a single 10-bit DAC with typical +/100mA output current sinking capability and has 8Kbyte eFlash memory. This device features Smart Actuator Control (SACTM) mode which can minimize the mechanical vibration and achieve faster mechanical settling time. DW9767 operates from a single 2.3V to 3.3V supply. The internal DAC and the eFlash are controlled via an I2C serial interface that operates at clock rate up to 1MHz. DW9767 offers Power Down (PD) mode with current consumption less than 1uA. DW9767 has software protection feature, which enables to guard against inadvertent writes.

Features Typical Âą100mA current sink 2.3V~3.3V power supply I2C serial interface with 1.8V I/O VCM & eFlash I2C slave ID selection Âą100mA (Adj.) 10bit resolution DAC Upgrade Smart Actuator Control (SACTM) mode Embedded 8Kbyte eFlash memory


Applications Mobile camera Digital camera Web/cameras Drone AR/VR camara

Typical Application

8 pin WLCSP W 0.77 mm H 1.70 mm D 0.30 mm

VDD VDD OUTP

C1

(+)

Bi-VCM

VSS

DW9767 TSD

VDD

REFERENCE

SDA

POR ID SCL SDA CEN

OSC

SCL

Master Controller

Driver

OUTP OUTN

I2C Interface eFlash

GND

Block Diagram

ID EN

OUTN

(-)


DW9793A

Closed Loop AF Driver with Digital Controller & Hall Sensor DW9793A, closed loop auto focus driver, is an one-chip solution for linear control of votce coil motors(VCM) with an integrated hall sensor. DW9793A includes internal Hall, digital PID controller, NVM memory, 1channel H-Bridge, A/D converter and D/A converter for driving of external Hall sensor. DW9793A operates from 2.65V to 3.3V supply. It is controlled via I2C interface that operates at clock rate up to 1MHz. DW9793A can be used for auto focus applications in mobile cameras, digital cameras, web cameras and action cameras.

Features Supply voltage: 2.65V ~ 3.3V I2C Fast Mode Plus (1MHz) available 1.8V interface Integrated hall sensor and H-Bridge driver Adjustable max. Iout current (Âą100mA) Multiple Slave ID support Automatic & manual Hall sensor calibration Internal Frequency Response Analysis(FRA) test mode Internal temperature sensor High resolution Analog-to-Digital Converter (ADC) PID controller


DW9780

OIS Controller (3 AXIS) DW9780 is a general purpose OIS+AF controller and driver IC for the camera module. This is a small single IC made up of the control block built in DSP and the driver block built in hall signal processing circuit and VCM driver. In addition, low noise PWM control is realized for the power saving.

Features Digital signal processing LSI - DSP - Built-in digital servo circuit - Built-in Gyro filter Hall signal processing circuit - Hall bias circuit - Offset calibration DAC - Hall amplifier (Gain: x8, x16, x24, x32, x40, x48) Motor Driver - Built-in 2ch H-Bridge driver with linear/PWM control for OIS - Built-in 1ch H-Bridge driver with linear control for AF Power Supply - Analog : VDDA 2.6V ~ 3.6V - Driver : VDDM 2.6V ~ 3.6V - Logic Core : VDDC 1.08V ~ 1.32V


DW7800

HD Haptic Driver IC DW7800 is HD Haptic Driver IC for HD Haptic and home key solution. DW7800 provides utmost tactile sensing experience. Dongwoon Anatech leads the new trend of haptic application with Immersion. With minimized form factor and high resolution output, DW7800 leads the users to impressive haptic world with various and existing haptic reaction. DW7800 is controlled by a host system via two-wire I2C interface that operates at clock rate up to 1MHz. Operating voltage is from a single 2.5V to 5.0V supply and current consumption is 2uA in sleep mode.

Features Immersion TouchSenseÂŽ 5000 HD Haptic Certified and Compatible 2.5V to 5.0V power supply Differential output (H-Bridge) Fast wake-up time (Max. 100us) Fast-Mode Plus I2C interface compatible (1.8V I/O) No-ACK error handling 128 bytes First-In, First-Out (FIFO) for data streaming Protection function : OCP / TSD / UVLO


Applications Mobile phones and Tablet Tablet Navigation and control panel for automobile Drone VR/AR camera

Typical Application

6 pin W 0.88 mm H 1.31 mm D 0.55mm

VDD

UVLO

GND

VDD

Reference

LDO

GND

OSC

SCL

MDP I2C

Differential Driver

Interface SDA

OCP

TSD

Block Diagram

MDP

VIO

Master MDN

Controller

FIFO

VDD

DW7800 SCL SDA

MDN

HD Haptic actuator


Triple Output DC/DC for AMOLED Display DW8780 is DC-DC converter with triple synchronous output (OUTP, OUTN and AVDD) for powering AMOLED display. The device integrates two boost converters for OUTP, AVDD and an inverting buck boost converter for OUTN which are suitable for battery operated products. The digital control pin CTRL allows programming the OUTP, OUTN and AVDD voltage in digital steps. DW8780 uses new technologies for high performance line and load regulation. These functions are is required to prevent flicker noise of AMOLED display by input voltage drop and recovery during transmit periods in mobile phones.

DW8780

Features Operating voltage: 2.8V to 4.4V 0.8% accuracy OUTP Adjustable output voltage by digital interface OUTP : 4.4V to 5.0V with 0.1V step (default: 4.6V) OUTN : -6.4V to -1.4V with 0.1V step (default: -5.4V) AVDD : 5.0V to 8.0V with 0.1V step (default: 5.8V) Continuous output current OUTP/OUTN : min. 300mA AVDD : min. 80mA 16 pin QFN ► W 3.00 mm H 3.00 mm D 0.75 mm

Short circuit protection Thermal Shutdown

L1 4.7uH

VIN 2.8V to 4.4V C1,2

PVIN

SWP1

AVIN

OUTP

10uF x2

Applications

C3 10uF

L2 10uH

Smartphon Small size table Activematrix OLED Display ≤ 8

AVDD = 5.8V

SWP2 PGND2

DW8780

OUTN SWN

AVDD

CTRL

Enable AVDD

EN

AGND

Enable Fast Discharge

FD

C4 10uF

OUTP= 4.6V

FBS

PGND1

AMOLED display for mobile device

C5 10uF

C6,7 10uF x2 L3 4.7uH

OUTN= -5.4V

Enable OUTP/OUTN Programmable OUTP/OUTN/AVDD


Triple Output DC/DC for AMOLED Display DW8780X is DC-DC converter with triple synchronous output (OUTP, OUTN and AVDD) for powering AMOLED display. The device integrates two boost converters for OUTP, AVDD and an inverting buck boost converter for OUTN which are suitable for battery operated products. The digital control pin CTRL allows programming the OUTP, OUTN and AVDD voltage in digital steps. DW8780X uses new technologies for high performance line and load regulation. These functions are is required to prevent flicker noise of AMOLED display by input voltage drop and recovery during transmit periods in mobile phones.

DW8780X

Features Operating voltage: 2.9V to 4.5V 0.5% accuracy OUTP Adjustable output voltage by digital interface OUTP : 4.4V to 5.0V with 0.1V step (default: 4.6V) OUTN : -6.4V to -1.4V with 0.1V step (default: -5.4V) AVDD : 5.0V to 8.0V with 0.1V step (default: 5.8V) Continuous output current OUTP/OUTN : min. 300mA AVDD : min. 80mA 16 pin QFN ► W 3.00 mm H 3.00 mm D 0.75 mm

Short circuit protection Thermal Shutdown

L1 4.7uH

VIN 2.9V to 4.5V C1,2

PVIN

SWP1

AVIN

OUTP

10uF x2

Applications

C3 10uF

PGND1

AMOLED display for mobile device L2 10uH

Smartphon Small size table Activematrix OLED Display ≤ 8

AVDD = 5.8V

SWP2

DW8780X

PGND2

OUTP= 4.6V

FBS OUTN SWN

AVDD

CTRL

Enable AVDD

EN

AGND

Enable Fast Discharge

FD

C4 10uF

C5 10uF

C6,7 10uF x2 L3 4.7uH

OUTN= -5.4V

Enable OUTP/OUTN Programmable OUTP/OUTN/AVDD


Triple Output DC/DC for AMOLED Display DW8781 is DC-DC converter with triple synchronous output (OUTP, OUTN and AVDD) for powering AMOLED display. The device integrates two boost converters for OUTP, AVDD and an inverting buck boost converter for OUTN which are suitable for battery operated products. The digital control pin CTRL allows programming the OUTP, OUTN and AVDD voltage in digital steps. DW8781 uses new technologies for high performance line and load regulation. These functions are required to prevent flicker noise of AMOLED display by input voltage drop and recovery during transmit periods in mobile phones.

DW8781

Features Operating voltage: 2.9V to 4.5V 0.8% accuracy OUTP Adjustable output voltage by digital interface OUTP : 4.6V to 5.2V with 0.1V Step (Default: 4.6V) OUTN : -6.4V to -1.4V with 0.1V Step (Default: -4.0V) AVDD : 5.0V to 7.7V with 0.1V Step (Default: 5.8V) Continuous output current OUTP/OUTN : min. 360mA AVDD : min. 100mA 16 pin QFN ► W 3.00 mm H 3.00 mm D 0.75 mm

Short circuit protection Thermal Shutdown

L1 4.7uH VIN 2.9V to 4.5V C1,2

10uF x2

Applications

C3 10uF

SWP1

AVIN

OUTP

C5 10uF

PGND1

AMOLED display for mobile device L2 10uH

Smartphon Small size table Activematrix OLED Display ≤ 8

PVIN

AVDD=5.8V

SWP2 PGND2

DW8781

OUTN SWN

AVDD

CTRL

Enable AVDD

EN

Enable Fast Discharge

AGND

FD

C4 10uF

CT

C6,7 10uF x2 L3 4.7uH

OUTP=4.6V

OUTN=-5.4V

Enable OUTP/OUTN Programmable OUTP/OUTN/AVDD C8 100nF


Triple Output DC/DC for AMOLED Display DW8782 is DC-DC converter with triple synchronous output (OUTP, OUTN and AVDD) for powering AMOLED display. The device integrates two boost converters for OUTP, AVDD and an inverting buck boost converter for OUTN which are suitable for battery operated products. The digital control pin CTRL allows programming the OUTP, OUTN and AVDD voltage in digital steps. DW8782 uses new technologies for high performance line and load regulation. These functions are required to prevent flicker noise of AMOLED display by input voltage drop and recovery during transmit periods in mobile phones.

DW8782

Features Operating voltage: 2.9V to 4.5V 0.8% accuracy OUTP Adjustable output voltage by digital interface OUTP : 4.6V to 5.2V with 0.1V Step (Default: 4.6V) OUTN : -6.4V to -1.4V with 0.1V Step (Default: -4.0V) AVDD : 5.0V to 7.7V with 0.1V Step (Default: 5.8V) Continuous output current OUTP/OUTN : min. 360mA AVDD : min. 100mA 16 pin QFN ► W 3.00 mm H 3.00 mm D 0.75 mm

Short circuit protection Thermal Shutdown

L1 4.7uH VIN 2.9V to 4.5V C1,2

10uF x2

Applications

C3 10uF

SWP1

AVIN

OUTP

C5 10uF

PGND1

AMOLED display for mobile device L2 10uH

Smartphon Small size table Activematrix OLED Display ≤ 8

PVIN

AVDD=5.8V

SWP2 PGND2

DW8782

OUTN SWN

AVDD

CTRL

Enable AVDD

EN

Enable Fast Discharge

AGND

FD

C4 10uF

CT

C6,7 10uF x2 L3 4.7uH

OUTP=4.6V

OUTN=-5.4V

Enable OUTP/OUTN Programmable OUTP/OUTN/AVDD C8 100nF


0.4W DC/DC for AMOLED Display DW8735

DW8735 is a high frequency and efficiency DC-DC converter with an integrated power switch capable of providing an output voltage up to 10V. It also offers 1-wire control function to change the output voltage in digital steps. It uses new technologies for high performance line and load regulation. These enable to prevent flicker noise of AMOLED display by input voltage drop and recovery during transmit periods in mobile applications.

Features Step up synchronous boost converter Operating voltage : 2.5V ~ 4.8V 1.5MHz switching frequency High performance line transient regulation Adjustable output voltage by 1-wire control : 46 steps, 100mV

Output voltage : 5.5V ~ 10V with 0.1V step (Default : 8.0V) Minimum 40ma continuous output current Over voltage protection 9 pin WLCSP â–ş W 1.31 mm H 1.31 mm D 0.45 mm

Short circuit protection DLP / auto discharge Thermal Shutdown

L: 10uH

VIN = 2.5V~4.8V CIN

VIN

Applications AMOLED display for mobile device

EN

VOUT

EN

DW8735

Wearable device Heathcare device

SW

SEL

SEL

CCT

CT

AGND

PGND

FBS

COUT


Triple Output DC/DC for AMOLED Display DW8738

DW8738 device is a highaccuracy display power supply solution. The device generates two positive voltage supply rail and one voltagereference. The device is comprised of the synchronous-boost converters which generate the panel power and the analog power. The dualpurpose enable and programming pins (EN1, EN2 and EN3) allow the enabling and disabling of each converter and voltage reference, the selection of active discharge on or discharge off option, as well as the programming of each output voltage in 100mV steps.

Features Operating voltage: 2.9V to 4.5V Two programmable boost-converters and one voltage-reference Adjustable output voltage by digital interface VOUT1=6V to 10V, with 0.1V Step (Default: 8.0V) VOUT2=5V to 6V, with 0.1V Step (Default: 5.5V) VOUT3=0.2V to 2.5V, with 0.1V Step (Default: 1.0V) Continuous output current VOUT1 : min. 360mA, VOUT2 : min. 100mA, VOUT3 : ±25mA 1% output voltage accuracy 16 pin QFN ► W 3.00 mm H 3.00 mm D 0.75 mm

Outputs actively discharge during power down Over-voltage and short-circuit protection Thermal Shutdown

L1 4.7uH

C1 10uF*2

Applications

L2 10uH

AVIN2 AVIN1

VOUT1

C1a 100nF*2

SW2

AMOLED display for mobile device

SW1

DW8738

C2 10uF*2

VOUT2

Smartphones

C3 10uF

EN1

Small size tablets

EN2

Activematrix OLED Display ≤ 8

EN3 EX_FSW C4 10nF

CT

VOUT3 NC

PGND AGND


LCD Bias for LCD Display DW8755A

DW8755A is a DC-DC converter with dual synchronous output, which is a unique and highly integrated device. It continuously supports maximum 100mA output current. It operates in the fixed switching frequency of 540KHz. Its various functions protect abnormal operation. It offers internal softstart and Thermal Shutdown functions. It also has an anti-ringing circuit that can detect the output ringing noise. It consumes only 1μA when EN pin is disabled. It contains a true shutdown by inner circuits. It provides an auto discharge circuit optionally.

Features Synchronous boost converter and buck-boost converter Operating voltage : 2.7V ~ 5.3V Up to 88% efficiency Fixed 540KHz switching frequency Output voltage variable by 1-wire Positive Output: 4.6V ~ 6.0 V (0.1V Step) Negative Output: -4.6V ~ -6.0V (0.1V Step) Up to 100mA continuous current @ 3.7V Built in anti-ringing, short protection and Thermal Shutdown circuit 12 WLCSP ► W 1.30 mm H 1.53 mm D 0.45 mm

L2 4.7uH

VBAT

Applications

C1 10uF

PVIN

SW_P

AVIN

VOUTP

OUT_P

C2 10uF

LCD panel power supply

FD

FD

EN

EN

Smartphone TFT-LCD Tablet TFT-LCD General dual power supply application

DW8755A

REF AGND

SW_N PGND

C3 10uF L2 4.7uH

C4 1uF

VOUTN

OUT_N


Low IQ LCD Bias for LCD Display DW8769L

DW8769L, with low IQ (0.55mA), is a power supply IC to support general positive/negative driven LCD. It is integrated with a boost regulator, LDO and charge pump to generate dual output voltages. The device uses a single inductor scheme in order to provide smaller size as well as high efficiency. With its input voltage range from 2.5V to 5.5V, it is optimized for products powered by singlecell batteries and output currents min. 80mA. DW8769L offers low quiescent current, making it well suited for application, which needs for longer battery life.

Features Single inductor dual output regulator Over 85% efficiency at IOUT> 10mA 2.5V to 5.5V input voltage range Low quiescent current: 0.55mA (Typ.) Driving current: Min. 80mA @ 2.9V Programmable output voltages Positive output voltage range: 4.0V to 6.0V (0.1V step) Negative output voltage range: -6.0V to -4.0V (0.1V step) Over current protection 15 WLCSP â–ş W 1.25 mm H 2.05 mm D 0.5 mm

Thermal Shutdown Under voltage lockout GPIO & I2C interface

L1 4.7uH/2.2uH

VIN

Applications LCD panel power supply Smartphone TFT-LCD Tablet TFT-LCD General dual power supply application

2.5V ~ 5.5V

C1 10uF

VIN

SW VBST

DW8769L ENP

VPOS

ENN

ENN

SCL

CP

SCL

SDA

SDA

ENP

PGND AGND

CN

C2 10uF

VPOS C4 4.7uF

C3 10uF

VNEG

VNEG C5 10uF


3-Combo IC(LCD Bias + 2CH Backlight + 1.5A Flash Driver) Single Chip Backlight with LCM Power and 1.5A LED Flash Driver

DW8767

DW8767 is a high-efficiency two-string power source, which provides the power for LED strings for display backlight and camera flash along with the bias power for LCD module into one device. The device has the safety features required for LED drivers with up to 90% efficiency and bias positive/ negative power rails achieving 1.5% accuracy. Capable of driving up to 20 backlight LEDs, the device is ideal for small to medium-size displays. 1.5A constant current LED driver powered by a synchronous boost converter can be used for flash applications. The high side flash current source allows for grounded cathode LED operation.

Features � Drives two string of typically 10 LEDs in series : Backlight boost with 36V maximum output voltage : 25mA maximum output current � Backlight efficiency up to 90% � 11-bit exponential or linear dimming � PWM input for content adjustable brightness control � LCD bias efficiency > 85% � I2C programmable output Voltages : Positive LCD bias 4.0V to 6.0V (50mV step) 30 WLCSP ► W 2.47 mm H 2.07 mm D 0.60 mm

: Negative LCD bias -4.0V to -6.0V (50mV step) � Driving current : 80mA @2.7V � 1.5A flash LED boost with up to 85% efficiency � 30-ball WLCSP Package

D1

LBL

CIN

VIN

Applications

VBATT LLCM

CBL_OUT

LFL FL_SW

FL_SW

B L_SW B L_OUT B LED 1

LCM_SW

B LED 2

S CL S DA

LCD panel power supply Smartphone TFT-LCD Tablet TFT-LCD General dual power supply application

CFL_OUT

FL_OUT

S TROB E TX

Up to 10LEDs / String

FL_OUT

DW8767

PWM EN LCM_EN1 LCM_EN2 AGN D B L_GND C P_GND

FLED FLED C1

CFLY

C2 LCM_OUT VPOS

CLCM CVPOS

VNEG FL_GND LCM_GND CVNEG


High Efficiency 3 String White LED Driver DW8832

DW8832 is a high-efficiency 3-string power supply IC, which provides the voltage for LED strings for display backlight. DW8832's 11-bit LED driver provides high-performance backlight dimming for up to 3 series LED strings. The full-scale LED current ranges from 5mA to 30mA. An adaptive current regulation allows for changing LED voltages in each string while maintaining current regulation. LED voltage operates over 2.7V to 5.0V input voltage range. DW8832 provides an additional feature, a Pulse Width Modulation (PWM) control input for Content Adjustable Backlight Control(CABC), which can be used to control any high voltage current sink.

Features Drives 3 parallel high-voltage LED strings for display lighting High-voltage strings capable of up to 40V output voltage and up to 90% efficiency Up to 30mA per current sink 11-bit exponential or linear dimming resolution External PWM input for Content Adjustable Backlight Control(CABC) I2C compatible interface Adaptive boost output to LED voltages Selectable 500kHz and 1MHz switching frequency 4 configurable over-voltage protection thresholds (16V, 24V, 32V and 40V) 12 WLCSP â–ş W 1.33 mm H 1.69 mm D 0.60 mm

Over-current protection Thermal Shutdown

L

VIN=2.7V ~ 5.0V

D1

CIN

Applications VIO

Small LCD backlighting Car navigation LCD backlighting Smartphone

SDA SCL

COUT

SW

IN

OVP

DW8832

SDA SCL

PWM HWEN AGND

HVLED1 HVLED2 HVLED3 PGND

. . .

3p7s

. . .


2MHz Ultra Small Step Down Converter DW8742 device is a high frequency synchronous step down DC-DC converter optimized for battery powered portable applications. It supports up to 500mA output current and allows the use of cost efficient inductors and capacitors. With a wide input voltage range of 2.35V to 5.0V, the device supports applications powered by Li-Ion batteries with extended voltage range. It works in a fixed 2MHz switching frequency and in PWM Mode operation over the entire load range. It prevents abnormal operation to protect the system. It offers internal soft-start and Thermal Shutdown functions. It consumes only 1ÎźA when EN pin disables. It is integrated an auto discharge circuit.

DW8742

Features Vin range from 2.7V to 5.0V Step down DC-DC converter 2MHz switching frequency Up to 92% efficiency Output peak current up to 600mA Normal PWM mode for the entire load range Soft Start with. 90us start up time Start-up current run-away protection Built in Auto discharge function 6-FCDFN â–ş W 1.00 mm H 1.50 mm D 0.50 mm

Built in Short Current protection Thermal Shutdown

Applications Portable Media Smart phone Tablet

VIN=2.7V ~ 5.5V C1 4.7uF

EN SEL

L1:2.2uH VIN

SW

EN

OUT

SEL

GND

DW8742

C2 4.7uF

VOUT


DW3505 Low Power LED Driver

DW3505 is an instant On/Off LED driver for low power LED applications. At DW3505 output stage, one regulated current port is designed to provide a uniform and constant current sink for driving LEDs within a large range of VF variations. DW3505 provides a consistent current source. You may adjust the output current up to 300mA through an external resistor Rs, which gives you flexibility in controlling the light intensity of LEDs. In addition, you can precisely adjust LED brightness from 0% to 100% via output enable (EN) with Pulse Width Modulation. DW3505 also guarantees that LED can be cascaded

Linear Type

to maximum 40V at the output port.

Middle Power

SOT-89-5L â–ş W 4.50 mm H 2.45 mm D 1.50 mm

Vin = 5 ~ 40Vdc

300mA

VDD

PWM

DW3505 OUT

EN RS

Rs

GND

Features

Applications

Constant output current invariant to supply and load voltage change

LED light bulbs

5V to 40V supply voltage

Signage and decorative LED lighting

Up to 300mA adjustable regulated output current

General lighting of flat panel displays

Built-in thermal derating circuit

RBG backlighting LED driver

Available PWM dimming control

Current stabilizer with DC/DC or AC/DC

Output current adjusted through an external resistor

General purpose constant current source

SOT89-5L Package


DW8501 DW8501 is an instant On/Off LED driver for high power LED applications. At DW8501 output stage,

Linear Type High Power

one regulated current port is designed to provide a uniform and constant current sink for driving LED within a large range of VF variations. DW8501 easily provides you a consistent current source. You may adjust the output current up to 1.5A through an external resistor RS, which gives you flexibility in controlling the light intensity of LED. In addition, you can precisely adjust LED brightness from 0% to 100% via output enable (EN) with Pulse Width Modulation. DW8501 also guarantees that LED can be

High Power LED Driver

SOT-223 W 6.50 mm H 7.00 mm D 1.80 mm

cascaded to maximum 40V at the output port.

TO-252 â–ş W 6.50 mm H 10.00 mm D 2.30 mm

Vin = 5 ~ 40Vdc

VIN

PWM

1.5A

DW8501 EN

OUT

RS Rs

GND

Features

Applications

5V to 40V supply voltage

LED light bulbs

Regulated output current up to 1.5A adjustable

Signage and decorative LED lighting

Low dropout voltage : Max. 1V @ ILED=1A

General lighting of flat panel displays

Built-in thermal derating circuit

Automotive

Available PWM dimming control

RBG backlighting

Thermal enhanced package SOT223-5L, TO252-5L

Current stabilizer with DC/DC or AC/DC General purpose constant current source


DW8502 DW8502 is an instant On/Off LED driver for high power LED applications. At DW8502 output stage,

Linear Type High Power

one regulated current port is designed to provide a uniform and constant current sink for driving LEDs within a large range of VF variations. DW8502 provides a consistent current source. User may adjust the output current up to 2.5A through an external resistor, Rs, which gives users flexibility in controlling the light intensity of LED. In addition, users can precisely adjust LED brightness from 0% to 100% via output enable (EN) with Pulse Width Modulation. DW8502 also guarantees that LED can be cascaded

High Power LED Driver

TO-263 W 10.10mm H 14.85 mm D 4.57 mm

to maximum 40V at the output port.

TO-220 â–ş W 10.10 mm H 28.85 mm D 4.57 mm

Vin = 5 ~ 40Vdc

VIN

PWM

2.5A

DW8502 EN

OUT

RS Rs

GND

Features

Applications

5V to 40V supply voltage

LED light bulbs

Regulated output current up to 2.5A adjustable

Signage and decorative LED lighting

Low dropout voltage : Max. 1V @ ILED=1A

General lighting of flat panel displays

Built-in thermal derating circuit

Automotive

Available PWM dimming control

RBG backlighting

Thermal enhanced package TO263-5L, TO220-5L

Current stabilizer with DC/DC or AC/DC General purpose constant current source


DW8505A Linear Type Low Power

DW8505A is an instant On/Off LED driver for low power LED applications. At DW8505A output stage, one regulated current port is designed to provide a uniform and constant current sink for driving LED within a large range of VF variations. DW8505A provides a consistent current source. User may adjust the output current from up to 100mA through an external resistor RS, which gives users flexibility in controlling the light intensity of LED. In addition, users can precisely adjust LED brightness from 0% to 100% via output enable (EN) with Pulse Width Modulation. DW8505A also guarantees that LED can

Low Power LED Driver

be cascaded to maximum 40V at the output port.

SOT23-5L â–ş W 2.90 mm H 2.80 mm D 1.30 mm

Vin = 5 ~ 40Vdc

VIN

PWM

EN

100mA

DW8505A

OUT

RS Rs

GND

Features

Applications

5V to 40V supply voltage

LED light bulbs

Regulated output current up to 100mA adjustable

Signage and decorative LED lighting

Low dropout voltage : Max. 0.2V @ ILED=60mA

General lighting of flat panel displays

Built-in thermal derating circuit

Automotive

Available PWM dimming control

RBG backlighting

Thermal enhanced package SOT23-5L

Current stabilizer with DC/DC or AC/DC General purpose constant current source


DW8506 Linear Type Low Power

DW8506 is an instant LED driver for low power LED applications. At DW8506 output stage, one regulated current port is designed to provide a uniform and constant current sink for driving LED within a large range of VF variations. DW8506 provides a consistent current source. User may adjust the output current up to 100mA through an external resistor, RS, which gives users flexibility in controlling the light intensity of LEDs. DW8506 also guarantees that LED can be cascaded to maximum 40V at the output port.

Low Power High Accuracy LED Driver

SOT23-5L â–ş W 2.92 mm H 2.80 mm D 1.30 mm

Vin = 6.5 ~ 40Vdc

100mA

VIN

DW8506 VCC RS Rs

OUT GND

Features

Applications

Constant output current invariant to supply and load voltage change

LED light bulbs

6.5V to 36V supply voltage

Signage and decorative LED lighting

60mA fixed regulated output current

General lighting of flat panel displays

Max. 0.5V output drop-out Voltage

RBG backlighting

Built-in thermal derating circuit

Current stabilizer with DC/DC or AC/DC General purpose constant current source


DW8521 Linear Type Low Power

DW8521 is a current mode monolithic LED driver. The LED current can be controlled with an analog input voltage. With high-side LED current sensing, DW8521 can be configured as buck, boost or buck-boost topology to serve different LED driver need. The integrated 44V/2A N-Channel MOSFETs ensures high efficiency operation. At light loads, DW8521 operates in low frequency to maintain high efficiency and low output ripple. The overvoltage lockout protection on SW pin protects DW8521 from open LED fault. DW8521 also has thermal protection at 140ยบC. DW8521 is available in a 6-pin

2A Peak, 44V MultiTopology LED Driver

SOT23-6 and a 8-pin ESOP8 package, which provides a compact solution with minimal external components.

SOT23-6L โ–บ W 2.92 mm H 2.8 mm D 1.35 mm

Boost LED Driver 22uH VIN 12V

6 10uF

3

1 SW

VIN

ISP

EN/DIM

ISN

DW8521 GND

2

5 4

1R

22uF

24V

Features

Applications

- 4.6V to 44V operating input range

LED light bulbs

- 2A peak switch current

Signage and decorative LED lighting

- Analog dimming and PWM dimming

General lighting of flat panel displays

- Constant off-time operation

RBG backlighting

- SW over voltage lockout

Current stabilizer with DC/DC or AC/DC

- Thermal protection

General purpose constant current source

- Available in SOT23-6 and ESOP8 package


DW8522 DW8522 is a high efficiency step down (Buck) converter for LED driver IC which provide a solution for

DC/DC Type

MR16, general lighting of flat panel displays and general DC voltage LED applications. DW8522 built in

High-Brightness Buck Controller

high-side current sensing circuit and protection circuit same as TSD and current limit. It can use PWM dimming and analog dimming. DW8522 are available in Small DFN package and a SOIC package.

High-Brightness Buck Controller LED Driver

L | TDFN-6 W 3.00 mm H 3.00 mm D 0.75 mm

R | SOIC-8L(EP) ► W 4.90 mm H 6.00 mm D 1.52 mm

VIN : 4.5V ~ 40V

L | 6 TDFN

R | 8 SOIC ► IN IN

CSN

IADJ

DRV

VDD

GND

DW8522

CSN

IADJ

DRV

AVCC

AGND

PVCC

PGND

DW8522

Features

Applications

4.5V to 40V input voltage range

MR16, PAR, L-tube lighting

Hysteretic buck control : Low parts count

Offline LED lamps and fixtures

Single pin On/Off and brightness control using DC voltage and PWM

Signage and decorative lighting

Thermal derating function

General purpose LED lighting

20KHz maximum dimming PWM frequency Up to 2MHz switching frequency ±2.5% LED current accuracy Thermal enhanced package SOIC-8, TDFN-6


DW8523A DC/DC type High Performance 2-Ch

DW8523A is a high efficiency step down converter for LED driver IC which provides a solution for LED lighting of flat panel luminance and general DC voltage LED applications. DW8523A built in high side LED current sense circuit and protection circuit same as TSD, LED open, LED short and ambient temperature protection. DW8523A can adjust LED current by external analog signal. DW8523A can transfer external analog adjust signal to PWM logic signal. Also, DW8523A can prevent LED current flicker when LED current is lowered by analog dimming. Frequency of the PWM frequency

2Ch High-Brightness Buck Converter LED Driver IC

is determined by external capacitor. DW8523A is well suited for applications requiring a wide input voltage range.

SOIC-16L(EP) â–ş W 6 .00 mm H 9.90 mm D 1.75 mm

VIN

VIN1 CSN1 ADJ -θ

TEMP FUALT PVCC

DRV1 LSP1

DW8523A AGND

LSP2

PGND

DRV2

VIN2 CSN2

VIN

Features

Applications

6.5V to 60V input voltage range

Up to 2MHz switching frequency

Offline LED lamps and fixtures

2-Channel hysteretic buck control

Over temperature derating (30%)

Signage and decorative lighting

+/-2.5% LED current accuracy

General purpose LED lighting

Up to 95 % efficiency

LED streetlights

Analog and PWM dimming simultaneously

LED flat panel lighting

Various fault detection and protection function (LED open/short, Temperature, TSD)


DW8528B AC/DC Primary PFC IC

DW8528B is power factor correction IC for LED Lighting. DW8528B is an active boundary-mode power factor correction controller for AC-DC SMPS applications. DW8528B provides the optimization method of Isolation LED Lighting. DW8528B is available in a thermally enhanced 8 pin SOIC package.

Power Factor Correction IC for LED Lighting

SOIC-8L â–ş W 2.92 mm H 6.00 mm D 1.30 mm

VOUT

VAC

ZCD MULT VDD

DW8528B

OUT GND COMP INV CS

PC

Features

Applications

Wide operating range of VCC (10.3~26V)

Under voltage lock out

All of LED lighting applications

Boundary mode PFC control

Output over voltage protection

AC Input LED lighting applications

Improved power factor and THD

Thermal shutdown protection

Extremely low startup low quiescent current

VCC over voltage protection (VCC>32V)

In / outdoor lighting, street, roadway, parking, construction lamp

On chip filter on current sense Disable function on ZCD pin 600mA/+800mA Totem pole gate driver

Feedback open protection


DW8508 AC/DC CC/CV with Dimming Dual OP Amp.

DW8508 is CC/CV(Constant current & constant current) IC for stable LEDs driving in a secondary side. DW8508 built-in protection circuit same as LED open and short. It is suitable for applications with operating voltage from 8V to 30V. DW8508 is offered in 8 SOIC package.

Dimmable CC/CV IC with LED Protection Functions

SOIC-8L â–ş W 4.90 mm H 6.00 mm D 1.40 mm

VOUT

VCC GND CVI

PWM

DW8508

Micom

V50 CPWM EO

CCI

Features

Applications

Constant current & constant voltage driving

All of LED lighting applications

Wide range operating voltage (8V~30V)

AC Input LED Lighting applications

Built in 5V regulator

In / outdoor lighting, street, roadway, parking, construction lamp

PWM/analog dimming control : 0V ~ 10V dimming (0V LED No flicker ) Thermal derating function Built in protection circuit (LED Open/Short) Low feedback voltage (0.3V) Thermal enhanced package SOIC-8


DW8531 AC/DC Non-Isolated IC ( Internal FET )

DW8531 is a constant current LED driver with high current accuracy which applies to single stage step-down LED drivers. 500V power MOS is integrated, which can significantly simplify the peripheral components. High accuracy of output current is achieved by sensing the output current directly. Critical conduction mode operation reduces the switching losses and significantly increases the efficiency. DW8531 can be supplied from the output directly and the auxiliary winding is not needed. DW8531 has multi-protection functions which enhances the safety and the reliability of system

Non-Isolated Buck LED Driver with High Voltage MOSFET

including: VCC over-voltage protection, VCC UVLO, short-circuit protection, LED open protection, cycle-by-cycle current limit and overtemperature protection.

SOP-7L â–ş W 6.00 mm H 5.00 mm D 1.75 mm

VCC

AC Input

FB DRAIN GND

ISP

DW8531

Features

Applications

No auxiliary winding

LED open protection

DC/DC or AC/DC LED driver applications

Good line and load regulation

Over temperature protection

Signage and decorative LED lighting

Critical conduction mode

SOP-7 package

General lighting of flat panel displays

500V high voltage MOSFET Integrated

RGB backlight

High efficiency over wide operating range

General purpose constant current source

Cycle-by-cycle current Limit

Bulb light

LED short protection


DW8532 AC/DC Non-Isolated IC with PFC

DW8532 is a constant current LED controller with high current accuracy which applies to single stage step-down power factor corrected LED drivers. High accuracy of output current is achieved by sampling the output current directly. Critical conduction mode operation reduces the switching losses and largely increases the efficiency. DW8532 is supplied from the output directly and the auxiliary winding is not needed. DW8532 has multi-protection functions which largely enhances the safety and the reliability of system including: VCC over-voltage protection, VCC UVLO, shortcircuit protection,

Non-Isolated Buck LED Controller with PFC and No Auxiliary Winding

LED open protection, cycle-by-cycle current limit and overtemperature protection.

SOT23-6L â–ş W 2.92 mm H 2.80 mm D 1.35 mm

VCC

AC Input

FB

GATE

COMP ISP GND

DW8532

Features

Applications

No auxiliary winding

LED short protection

DC/DC or AC/DC LED driver applications

High current accuracy of line and load

LED open protection

Signage and decorative LED lighting

regulation

Over-temperature protection

General lighting of flat panel displays

High power factor with low output current-ripple

Compact SOT23-6 package

RGB backlight

Critical conduction mode

General purpose constant current source

High efficiency over wide operating range

Bulb light

Cycle-by-cycle current limit


DW8533 AC/DC Non-Isolated IC with PFC internal MOSFET

DW8533 is a constant current LED driver with high current accuracy which applies to single stage step-down power factor corrected LED drivers. 600V power MOS is integrated which can significantly simplify the design of LED lighting system. High accuracy of output current is achieved by sampling the output current directly. Critical conduction mode operation reduces the switching losses and largely increases the efficiency. DW8533 is supplied from the output directly and the auxiliary winding is not needed. DW8533 has multi-protection functions which enhances the safety and the reliability

Non-Isolated Buck LED Driver with PFC and High Voltage MOSFET

of system including: VCC over-voltage protection, VCC UVLO, shortcircuit protection, LED open protection, cycle-by-cycle current limit and overtemperature protection.

SOP-7L â–ş W 6.00 mm H 5.00 mm D 1.75 mm

VCC FB DRAIN

AC Input

COMP ISP GND

DW8533

Features

Applications

No auxiliary winding

LED short protection

DC/DC or AC/DC LED driver applications

600V high voltage MOSFET integrated

LED open protection

Signage and decorative LED lighting

High current accuracy of line and load regulation

Over-temperature protection

General lighting of flat panel displays

High power factor with low output current-ripple

Compact SOP7 package

RGB backlight

Critical conduction mode

General purpose constant current source

High efficiency over wide operating range

Bulb light

Cycle-by-cycle current limit


DW8551 AC/DC PSR IC with PFC / PWM Dimming

DW8551 is a primary-side control offline fly-back controller with active power factor correction. It is especially designed for LED lighting system. DW8551 controls the LED current accurately without using an opto-coupler, which can significantly simplify the design of LED lighting system. Utilizing an on-chip multiplier, DW8551 achieves high power factor over wide line and load ranges. The multi-protection function largely enhances the safety and the reliability of system including: over voltage protection, short circuit protection, LED open protection, cycle-by-cycle current limit, VCC

Primary-Side Regulator LED Controller with Active PFC

UVLO and overtemperature protection.

SOP-8L â–ş W 6.00 mm H 5.00 mm D 1.75 mm

AC Input

VCC

FB

REC

GATE

COMP SNP GND DPWM

DW8551

Features Real current control without secondary feedback circuit High current accuracy of line regulation Active power factor correction Low harmonic content External PWM dimming High efficiency over wide operating range Cycle-by-cycle current limit

Applications Input over-voltage protection

Isolated type LED driver applications

LED short protection

Bulb light

LED open protection

General lighting of flat panel displays

Over-temperature protection

RGB backlight

8-Pin SOP package

General purpose constant current source In / outdoor lighting, street, roadway, parking, construction lamp


DW8552 AC/DC PSR IC with PFC Internal MOSFET

DW8552 is a primary-side control offline fly-back controller with active power factor correction. It is especially designed for LED lighting system. DW8552 controls the LED current accurately without using an opto-coupler, which can significantly simplify the design of LED lighting system. Utilizing an on-chip multiplier, DW8552 achieves high power factor over wide line and load ranges. The multiprotection function largely enhances the safety and the reliability of system including: over voltage protection, short circuit protection, LED open protection, cycle-by-cycle current limit, VCC UVLO and

Primary-Side Regulator LED Driver with PFC and High Voltage MOSFET

overtemperature protection.

DIP-8L â–ş W 9.40 mm H 7.62 mm D 7.36 mm

AC Input

VCC

FB

REC COMP DRAIN GND

SNP

DW8552

Features

Applications

Built-in 650V power MOSFET

LED short protection

Isolated type LED driver applications

Active power factor correction

LED open protection

Bulb light

Low harmonic content

Over temperature protection

General lighting of flat panel displays

High efficiency over wide operating range

RGB backlight

Cycle-by-cycle current limit

General purpose constant current source

Input over-voltage protection

In / outdoor lighting, street, roadway, parking, construction lamp

Real current control without secondary feedback circuit


DW8560 AC/DC AC Direct IC with PFC internal MOSFET

DW8560 is an integrated AC input high-voltage LED driver for direct line operation. 220V AC line voltage is rectified by Bridge Rectifier, and supply for LED and DW8560. During one rectified line voltage cycle, 4 HVLED segments are turned on in proper sequence as the line voltage increases and turned off in reverse sequence as the line voltage decreases. DW8560 setup LED current for every LED segment, which ensures high power factor and low THD. LED current can be setup via an external resistor conveniently. The setup range is 10~50mA. DW8560 regulates the effective LED

AC Input High-Voltage Linear LED Driver

current and ensures the LED current is constant when VIN varies. DW8560 provides over temperature protection.

eSOP-8L â–ş W 6.00 mm H 5.00 mm D 1.75 mm

Fuse

VIN

S1

VC

S2

GND

S3

RS

S4

DW8560

Features

Applications

50/60Hz, AC input operation

Isolated type LED driver applications

Only 2 external components

Signage and decorative LED lighting

Integrated 600V and 500V LDNMOSFET

General lighting of flat panel displays

High power factor and low THD

Automotive

Programmable LED current

RBG backlighting

Constant LED current control

General purpose constant current source

Over thermal protection

In / outdoor lighting, street, roadway, parking, construction lamp

eSOP8 package

Dongwoon Anatech Product Catalog  

Dongwoon Anatech was established in 2006 as a company specialized in analog and power driver IC, based on 20 more years of experience in the...

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