Datasheet Summary
2 MHz, 4 Channel × 150 mA WLED/RGB Driver with Output Disconnect
Features
AND BENEFITS
- Four LED sinks rated for 150 mA each (600 mA total)
- Boost converter with integrated 40 V DMOS switch and
OVP- load-dump protection
- 600 kHz to 2.2 MHz switching frequency- ability to operate above the AM band
- Internal bias supply for single-supply operation (VIN= 6.8 to 21 V)
- 3.5 µA shutdown current- limits battery drain
- Active current sharing between LED strings for
0.8% current matching and 0.7% accuracy
- PWM dimming with LED PWM duty cycle control
- 4000:1 dimming range
- Extensive fault mode protection schemes:
▫ Shorted LED protection against misconnected loads- with true output...