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FAN5346 - Series Boost LED Driver

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General Description

The FAN5346 is an asynchronous constant-current LED driver that drives LEDs in series to ensure equal brightness for all the LEDs.

FAN5346S20X has an output voltage of 20V and can drive up to 5 LEDs in series.

FAN5346S30X has an output voltage of 30V and up to 8 LEDs in series.

Overview

FAN5346 — Series Boost LED Driver with PWM Dimming Interface June 2012 FAN5346 Series Boost LED Driver with PWM Dimming.

Key Features

  • Asynchronous Boost Converter.
  • Drives LEDs in Series:.
  • FAN5346S20X: 20V Output.
  • FAN5346S30X: 30V Output.
  • 2.5V to 5.5V Input Voltage Range.
  • PWM Dimming for LED Brightness Control.
  • 5kHz to 100kHz PWM Dimming Frequency Range.
  • 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.
  • Small Fo.

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