RT4532 High Efficiency Backlight LED Driver

Richtek Technology

Description

® RT4532 High Efficiency Backlight LED Driver General .
The RT4532 is a high-efficiency LED driver for backlight applications.

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Datasheet Specifications

Part number: RT4532
Manufacturer: Richtek Technology
File Size: 201.51 KB
Datasheet: RT4532-RichtekTechnology.pdf
Description: High Efficiency Backlight LED Driver

Features

* Input Voltage Range : 2.5V to 5.5V
* Internal Schottky Diode
* Fast-speed mode I2C Compatible Interface
* Drive Up to 6 WLEDs in 4 String
* External PWM Brightness Control
* 550k/1.1MHz Switching Frequency
* Built-in Internal Soft-Start
* I2C Programmable 256 Steps

Applications

* An asynchronous boost converter with an internal Schottky diode and a current source driver are designed to support 6LED/channel with wide input voltage range from 2.5V to 5.5V. An I2C interface can provide easy backlight control in fast and high speed mode. The RT4532 supports linear mappings with

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RT4532 High Efficiency Backlight LED Driver Richtek Technology

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