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FAN5346 - Series Boost LED Driver

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.

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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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
FAN5346 — Series Boost LED Driver with PWM Dimming Interface June 2012 FAN5346 Series Boost LED Driver with PWM Dimming Interface 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.