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RT8511B Datasheet 43v Asynchronous Boost Wled Driver

Manufacturer: Richtek

Overview: ® RT8511B 43V Asynchronous Boost WLED Driver General.

Datasheet Details

Part number RT8511B
Manufacturer Richtek
File Size 137.32 KB
Description 43V Asynchronous Boost WLED Driver
Datasheet RT8511B-Richtek.pdf

General Description

The RT8511B is an LED driver IC that can support up to 10 WLED in series.

It is posed of a current mode boost converter integrated with a 43V/2.2A power switch running at a fixed 500kHz frequency and covering a wide VIN range from 2.7V to 24V.

The white LED current is set with an external resistor, and the feedback voltage is regulated to 200mV (typ.).

Key Features

  • Wide Input Voltage Range : 2.7V to 24V.
  • High Output Voltage : up to 43V.
  • Direct PWM Dimming Control and Frequency from 100Hz to 8kHz.
  • Internal Soft-Start and Compensation.
  • 200mV Reference Voltage.
  • PWM Dimming with Internal Filter.
  • Programmable Over Voltage Protection.
  • Over Temperature Protection.
  • Current Limit Protection.
  • Thin 8-Lead WDFN Package.
  • RoHS Compliant and Halogen Free.

More Datasheets from Richtek

Part Number Description
RT8511A 43V Asynchronous Boost WLED Driver
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RT8532 6-String 43V White LED Driver
RT8532A 6-String 43V White LED Driver
RT8537 Current Mode Boost-Type LED Driver
RT8540A High Power Synchronous Boost Converter
RT8541 Boost DC/DC Converter

RT8511B Distributor