RT4831A Datasheet Four-channel Lcd Backlight Driver

Manufacturer: Richtek

Overview: RT4831A Four-Channel LCD Backlight Driver with Integrated Bias Power.

Datasheet Details

Part number	RT4831A
Manufacturer	Richtek
File Size	4.11 MB
Description	Four-Channel LCD Backlight Driver
Datasheet	RT4831A-Richtek.pdf

General Description

The RT4831A is an integrated four-channel backlight WLED driver with LCD bias supply for portable device.

The backlight WLED driver supports up to 4P8S WLED configuration.

Meanwhile, the driver maximum acceptable output voltage is 29V.

Key Features

System.
Hardware Enable Pin.
I2C Controlled Interface.
Over-Temperature Protection Backlight WLED Driver.
2.7V to 5V Input Voltage Range.
Drives Up to 4P8S WLED Configuration (29V Maximum Output Voltage).
External PWM Input and I2C Brightness Control.
11 Bit Exponential and Linear Dimming Control.
Programmable Over-Voltage Protection.
Programmable Over-Current Protection.
Auto Operating Frequency (250kHz, 500kHz, 1MHz).
WLED Current Ramp Up.

RT4831A Distributor & Price

Compare RT4831A distributor prices and check real-time stock availability from major suppliers. Prices and inventory may vary by region and order quantity.

More Datasheets from Richtek

Part Number	Description
RT4801H	Dual Output LCD Bias
RT4803B	2.5MHz Synchronous Boost Regulator
RT4805B	Synchronous Boost Regulator
RT4809	DC-DC Boost Converter
RT4813	High Efficiency Boost Converter
RT4813A	High Efficiency Boost Converter
RT4813C	High Efficiency Boost Converter
RT4822	Wide Input and Ultra-Low Quiescent Current Boost Converter
RT4823	Wide Input and Ultra-Low Quiescent Current Boost Converter
RT4823M	Wide Input and Ultra-Low Quiescent Current Boost Converter