Part FAN5345
Description Series Boost LED Driver
Manufacturer Fairchild Semiconductor
Size 1.12 MB
Fairchild Semiconductor
FAN5345

Overview

The FAN5345 is an asynchronous constant-current LED driver that drives LEDs in series to ensure equal brightness for all the LEDs. FAN5345S20X has an output voltage of 20V and can drive up to 5 LEDs in series.

  • Asynchronous Boost Converter
  • Drives LEDs in Series: - FAN5345S20X: 20V Output - FAN5345S30X: 30V Output
  • 2.5V to 5.5V Input Voltage Range
  • Single-Wire Digital Control Interface to Set LED Brightness Levels - 32 Linear Steps
  • 1.2MHz Fixed Switching Frequency
  • Soft-Start Capability
  • Input Under-Voltage Lockout (UVLO)
  • Output Over-Voltage Protection (OVP)
  • Short-Circuit Detection
  • Thermal Shutdown (TSD) Protection