RT9301GJ8 datasheet(1/9 Pages) RICHTEK

Part #	RT9301GJ8

Description	3-Channel Low Dropout RGB LED Driver

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Manufacturer	RICHTEK [Richtek Technology Corporation]

Direct Link	http://www.richtek.com

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RT9301

1

DS9301-02

March 2007

www.richtek.com

3-Channel Low Dropout RGB LED Driver

Ordering Information

(TOP VIEW)

TSOT-23-8

Pin Configurations

General Description

The RT9301 is a 3-Channel current source driver for RGB

LED. It is easy to be designed in applications that need

mixing RGB light source for multi-color output.

The RT9301 also provide users with great flexibility and

device performance. It uses a external resistor to set the

bias current for three LEDs, which are matched to 3%.

Users can adjust the output current from 2mA to 50mA by

setting the ISET resistor.

The RT9301 features very low dropout and under voltage

lockout protection. It is available in a space-saving TSOT-

23-8 package.

Features

Input Voltage Range : 2.8V to 5.5V

Low 60/45mV Dropout at 20/15mA

Individual Current Setting by External Resistor

Individual On/Off Control by Baseband MPU

Up to 50mA LED Bias Current

Simple LED Brightness Control

3% LED Current Matching

Low 0.1uA Shutdown Current

UVLO Protection

Tiny TSOT-23-8 Package

Applications

Mobile phone, Smart Phone Multi-color LED Backlight

Camera Flash White LED

LCD Display Modules

Keypad Backlight

Marking Information

For marking information, contact our sales representative

directly or through a RichTek distributor located in your

area, otherwise visit our website for detail.

5

2

3

7

8

1

4

6

Note : There is no pin1 indicator on top mark for TSOT-23-8

type, and pin 1 will be lower left pin when reading top mark

from left to right.

Note :

RichTek Pb-free and Green products are :

RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

Suitable for use in SnPb or Pb-free soldering processes.

100%matte tin (Sn) plating.

RT9301

Package Type

J8 : TSOT-23-8

Operating Temperature Range

P : Pb Free with Commercial Standard

G : Green (Halogen Free with Commer-

cial Standard)

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