BM531Q11 Datasheet - ROHM

BM531Q11 White LED Driver

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.

BM531Q11 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

BM531Q11-ROHM.pdf