L5101 - WHITE LED STEP-UP CONVERTER
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.
The device switches at a high frequency 1.2MHz by an internal N-channel MOSFET switch to be capable of minimum external components usin
L5101 Features
* Built-In Open Circuit Protection
* Built-In Over Voltage Protection
* High Efficiency(Up to 84% at VIN=4.2V, 3 LEDs, ILED =20mA) www.DataSheet4U.com
* 1.2MHz fixed switching frequency
* Low supply current: 70µA
* Matches LED current
* Requires tiny inductor and capacito
