RT4532WSC datasheet(2/12 Pages) RICHTEK

2 / 12 page

RT4532

www.richtek.com

DS4532-01 August 2015

is a registered trademark of Richtek Technology Corporation.

Functional Pin Description

Pin Configuration

(TOP VIEW)

Pin No.

Pin Name

Pin Function

Switch node of boost converter. Connect an inductor between LX and VIN.

GND

Ground.

VOUT

Power output of the asynchronous boost converter for backlight LEDs. Connect a

F or larger ceramic capacitor from VOUT to ground.

VIN

Power input. Connect this pin to the input power supply voltage. Connect a 10

F

or larger ceramic capacitor from the VIN to ground.

PWM

PWM dimming input for backlight LED.

Enable control input (active high). The chip is in shutdown mode when the EN pin

is low.

SDA

I2C serial data input/output. An external pull-up resistor is required.

SCL

I2C serial clock input. An external pull-up resistor is required.

FB2

Single output 2 for backlight LED.

FB1

Single output 1 for backlight LED.

FB1

FB2

SCL

SDA

PWM

VIN

VOUT

GND

WL-CSP-10B 0.87x2.07(BSC)

Marking Information

2KW

2K : Product Code

W : Date Code

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