Datasheet Summary
.fairchildsemi.
Serial/Parallel LED Driver with Current-Regulated, Step-Up DC/DC Converter
Features
- Two Independent Channels Drive up to Six LEDs per Channel
- Adaptive Output Voltage Drive to Maximize Efficiency
- PWM/PFM Mode of Operation of the Boost Circuit
- Up to 85% Efficiency
- Up to 2 × 20mA Output
- Two Built-in DACs for Independent (Digital) Brightness Control for Both Channels
- LED’s Current Can be Duty-Cycle-Modulated between 0 to 20mA
- Digital, Analog, and PWM Brightness Control
- 2.7V to 5V Input Voltage Range
- 0.5MHz Operating Frequency (8MHz internal clock)
- Soft Start
- Low Shutdown Current: ICC < 1µA
- LED Short Circuit Protection
- Minimal External...