BD9470AFM Datasheet White Led Driver

Manufacturer: ROHM

Overview: Datasheet LED driver series for LCD back light White LED driver for medium sized and large sized LCD back light BD9470AEFV・BD9470AFM.

This datasheet includes multiple variants, all published together in a single manufacturer document.

Datasheet Details

BD9470AEFV and BD9470AFM are high efficiency driver for white LED.

They are designed for large sized LCD.

BD9470AEFV and BD9470AFM are built-in DCDC converter that supply appropriate voltage for light source.

6ch LED constant current driver.
LED maximum output current 250mA.
Individual PWM dimming modulation allowed for LEDs.
±2% LED current accuracy (when each LED is set to 130mA).
Built-in LED feedback voltage automatic adjustment circuit according to LED current.
Built-in start-up circuit independent of PWM light modulation.
built-in VOUT.
FB voltage maintenance function when PWM=Low（0%）.
Built-in LED current stabilization circuit while scanning opera.