BD9470AEFV 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.

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.