FAN5340 Datasheet (Fairchild Semiconductor) - Synchronous Constant-Current Series Boost LED Driver

FAN5340, Synchronous Constant-Current Series Boost LED Driver

The FAN5340 is a synchronous constant-current LED driver capable of efficiently delivering up to 500mW to a string of up to four LEDs in series.

Optimized for small form-factor applications, the 1.2MHz fixed switching frequency allows the use of chip inductors and capacitors.

For safety, the device

FAN5340 Features

* Synchronous Current-Mode Boost Converter

* Up to 500mW Output Power

* Supports 2, 3, or 4 LEDs in Series

* 2.7V to 4.8V Input Voltage Range

* 1.2MHz Fixed Switching Frequency

* 1mA Maximum Quiescent Current

* Soft-Start Capability

* Input Under-Voltage Lockout (UVLO