Datasheet Details
Part number:
RT4501A, RT4501
Manufacturer:
Richtek Technology
File Size:
263.96 KB
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.
RT4501A, 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
RT4501A 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
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