BM531Q11 - White LED Driver

Description

BM531Q11 is a high efficiency driver for white LEDs and designed for large LCDs.

BM531Q11 is built-in a quasi-resonant control method DCDC converter that employ an array of LEDs as the light source.

Features

Quasi-resonant switching mode.
Built-in 250V MOSFET.
Maximum frequency 400kHz.
VCC pin: under voltage protection.
SOURCE pin: Leading-Edge-Blanking function.
PWM and ADIM dimming operating.
FAIL signal output (ADIM.

ROHM

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Datasheet Details

Part number	BM531Q11
Manufacturer	ROHM
File Size	865.09 KB
Description	White LED Driver
Datasheet	BM531Q11 Datasheet
Additional preview pages of the BM531Q11 datasheet.

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Full PDF Text Transcription

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Datasheet LED Drivers for LCD Backlights 1ch Buck Type (Quasi-Resonant Control) White LED Driver for Large LCD Included 250V MOSFET BM531Q11 1.1 General Description BM531Q11 is a high efficiency driver for white LEDs and designed for large LCDs. BM531Q11 is built-in a quasi-resonant control method DCDC converter that employ an array of LEDs as the light source. BM531Q11 is built-in 250V MOSFET and owing to the external current setting resistance, a power supply design with a high degree of freedom can be achieved. Key Specifications  Operating power supply voltage range: VCC: 9.0V to 35.0V DRAIN: to 250V  Operating current: 700μA(typ.)  Maximum frequency: 400kHz(typ.

Published: Jul 23, 2018 |