Datasheet Summary
.fairchildsemi.
Serial LED Driver with Current-Regulated, Step-Up DC/DC Converter
Features
- Drives Up to Six LEDs in Series
- Pulse Skip PWM Mode of Operation of the Boost Circuit
- Up to 90% Peak Efficiency
- No External Schottky Diode Required
- Up to 25mA Output
- Built-in DAC for Digital Brightness Control
- LED’s Current Can be Duty-Cycle-Modulated
- Digital, Analog, and PWM Brightness Control
- 2.7V to 5.5V Input Voltage Range
- 0.5MHz Operating Frequency (8MHz internal clock)
- Soft Start
- Low Shutdown Current: ICC < 1µA
- LED Short Circuit Protection
- Minimal External ponents Needed
- Available in an 8-lead MLP Package
Applications
- Cell Phones
- Handheld...