BD9421F 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.
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
- Individual detection and individual LED OFF for both
- VOUT Over Voltage Protection(OVP) and reduced
- Built-in under voltage lockout function(UVLO) and
- Built-in VOUT discharge circuit while shutdown
BD9421F Applications
- LED driver for TV, Monitor and LCD Back Light