L5101 WHITE LED STEP-UP CONVERTER

UTC

Description

UNISONIC TECHNOLOGIES CO., LTD 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 han.

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Datasheet Specifications

Part number: L5101
Manufacturer: UTC
File Size: 160.57 KB
Datasheet: L5101_UTC.pdf
Description: WHITE LED STEP-UP CONVERTER

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

Applications

* Capacitor Selection: The small size of ceramic capacitors (1µF input with 1µF output ) are sufficient, X5R and X7R types are recommended Diode Selection: An Schottky diode rated at 100mA ~ 200mA is sufficient for most applications. LED Current Control A feedback resistor (precision 1% recommended)

L5101 Distributors

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