L5101
Description
The UTC L5101 is a fixed frequency step-up PWM DC/DC converter and designed for white LEDS driving with a constant current to provide backlight in handheld devices.
Key Features
- * Built-In Open Circuit Protection * Built-In Over Voltage Protection * High Efficiency(Up to 84% at VIN=4.2V, 3 LEDs, ILED =20mA)
- * 1.2MHz fixed switching frequency * Low supply current: 70µA * Matches LED current * Requires tiny inductor and capacitors