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RT8489 Datasheet High Voltage 4-ch Led Driver Controller

Manufacturer: Richtek

Overview: ® RT8489 High Voltage 4-CH LED Driver Controller General.

Datasheet Details

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

General Description

The RT8489 is a 4-CH LED driver controller that delivers well matched LED current to each channel of LED string.

With external current sources, the number of LEDs per string is only limited by the current source and the VIN/ VOUT conditions.

The current mode PWM Boost type controller operates at an adjustable switching frequency of up to 1MHz, with a wide VIN range covering from 7V to 28V.

Key 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 Control z Adjustable Soft-Start z Adjustable Output Over Voltage Protection z Under Voltage Lockout and Thermal Shutdown z SOP-24 package z RoHS Compliant and Halogen Free.

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RT8489 Distributor