RT8489 High Voltage 4-CH LED Driver Controller

Richtek

Description

® RT8489 High Voltage 4-CH LED Driver Controller General .
The RT8489 is a 4-CH LED driver controller that delivers well matched LED current to each channel of LED string.

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Datasheet Specifications

Part number: RT8489
Manufacturer: Richtek
File Size: 301.20 KB
Datasheet: RT8489-Richtek.pdf
Description: High Voltage 4-CH LED Driver Controller

Features

* include adjustable output over voltage protection, PWM switch current limit and thermal shutdown. Features z Wide Operation Voltage Range : 7V to 28V z Programmable Channel Current z 3% Current Matching Accuracy between Channels z Adjustable Switching Frequency z Easy Analog and Digital Dimming Cont

Applications

* z Building and Street Lighting z LED TV Backlight z LED Monitor Backlight z Industrial Display Backlight Simplified Application Circuit VIN VCC R3 L1 CIN CVCC RT8489 VCC GATE RSET ISENSE RVC CVC RSET VC SS CSS DCTL LED1 GATE1 SENSE1 LED4 GATE4 …… ACTL SENSE4 GND Copyright ©2012 Ric

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RT8489 High Voltage 4-CH LED Driver Controller Richtek

Richtek RT8489-like datasheet