RT4501 Datasheet (Richtek Technology) - High Efficiency Backlight LED Driver

RT4501, High Efficiency Backlight LED Driver

The RT4501/A is a high-efficiency LED driver for backlight 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 contr

RT4501 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