RT4501A, RT4501 High Efficiency Backlight LED Driver

Richtek Technology

Description

® RT4501/A High Efficiency Backlight LED Driver General .
The RT4501/A is a high-efficiency LED driver for backlight applications.

📥 Download Datasheet

RT4501A Datasheet Preview — This datasheet PDF includes multiple part numbers: RT4501A, RT4501. Please refer to the document for exact specifications by model.

Datasheet Specifications

Part number: RT4501A, RT4501
Manufacturer: Richtek Technology
File Size: 263.96 KB
Datasheet: RT4501-RichtekTechnology.pdf
Description: High Efficiency Backlight LED Driver
Note: This datasheet PDF includes multiple part numbers: RT4501A, RT4501.
Please refer to the document for exact specifications by model.

Features

* Input Voltage Range : 2.5V to 5.5V
* Internal Schottky Diode
* Fast-speed mode I2C Compatible Interface
* Drive Up to 7 WLEDs in 2 String
* External PWM/Pulse Brightness Control
* 550k/1.1MHz Switching Frequency
* Built-in Internal Soft-Start
* PWM Dimming/Pulse Dim

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 RT4501 supports linear mappings with

RT4501A Distributors

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RT4501 High Efficiency Backlight LED Driver Richtek Technology

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