Datasheet Summary
Global Mixed-mode Technology Inc.
Fixed Frequency White LED Step-Up Converter
Features
- Inherently Matched LED Current
- High Efficiency: 87%
- Drives Up to Five LEDs from 2.5V Supply
- 24V Internal Power Switch
- Fast 1MHz Switching Frequency
- Uses Tiny 1mm Tall Inductors
- Requires Only 1µF Output Capacitors
- 19.5V Over Voltage Protection
- SOT-23-6 Package
Applications
- White LED Backlight Display for PDA
- Pocket PC
- Smart Phones
- Handheld Devices
- Cellular Phones
General Description
The G5121 is a step-up DC/DC converter specifically designed to drive up to 5 series white LEDs with constant current. Series connection of the LEDs provides identical LED currents...