Part FAN5340
Description Synchronous Constant-Current Series Boost LED Driver
Manufacturer Fairchild Semiconductor
Size 947.10 KB
Fairchild Semiconductor
FAN5340

Overview

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.

  • 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)
  • Output Over-Voltage Protection (OVP)
  • Short-Circuit Detection