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FAN5345 - Series Boost LED Driver

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.

Features

  • 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.
  • Small Form-Factor 6-Lead SS.

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Full PDF Text Transcription

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FAN5345 — Series Boost LED Driver with Single-Wire Digital Interface September 2011 FAN5345 Series Boost LED Driver with Single-Wire Digital Interface Features  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.
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