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BD9421F Datasheet LED Drivers

Manufacturer: ROHM

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Datasheet Details

Part number BD9421F
Manufacturer ROHM
File Size 1.10 MB
Description LED Drivers
Datasheet download datasheet BD9421F Datasheet

General Description

BD9421F is high efficiency driver for white LED.

This is designed for large sized LCD.

BD9421F is built-in DCDC converters that supply appropriate voltage for light source.

Overview

Datasheet LED Drivers for LCD Backlights White LED Driver for large LCD Panels (DCDC Converter Type) BD9421F.

Key Features

  • 6ch LED constant current driver(External PNP Tr Type).
  • Maximum LED setting current 500mA(VREF Pin setting).
  • ±2% LED current accuracy(VREF=0.9V setting).
  • Built-in DC/DC converter.
  • Analog Dimming(Linear) function.
  • LED protection function(OPEN/SHORT protection)[PWM-independent Type].
  • Individual detection and individual LED OFF for both OPEN and SHORT circuit.
  • VOUT Over Voltage Protection(OVP) and reduced voltage protection(SCP) circuit.
  • Built-in under v.

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