Download FAN5345 Datasheet PDF
FAN5345 page 2
Page 2
FAN5345 page 3
Page 3

FAN5345 Description

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. FAN5345S30X has an output voltage of 30V and drive up to 8 LEDs in series.

FAN5345 Key Features

  • Asynchronous Boost Converter
  • Drives LEDs in Series
  • 2.5V to 5.5V Input Voltage Range
  • Single-Wire Digital Control Interface to Set LED
  • 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