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FAN5776 - Synchronous Boost and Series / Parallel 10-LED Driver

Datasheet Summary

Description

The FAN5776 is a synchronous, constant-current LED driver capable of efficiently driving up to ten LEDs in a five-string, two-series LEDs per string configuration.

Optimized for small form-factor applications, the 1.8 MHz switching frequency allows the use of tiny chip inductors and capacitors.

Features

  • Synchronous Current-Mode Boost Converter.
  • Drives up to 10 LEDs at 25 mA Each in a Configuration of 5 Strings of 2 LEDs in Series.
  • 5 LED Outputs: High-Side Current Sources.
  • Two Default Groups of 3x2-LED Channels and 2x2-LED Channels with Individual Enable and PWM Dimming Control to Support Various Lighting.

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Datasheet preview – FAN5776

Datasheet Details

Part number FAN5776
Manufacturer Fairchild Semiconductor
File Size 1.97 MB
Description Synchronous Boost and Series / Parallel 10-LED Driver
Datasheet download datasheet FAN5776 Datasheet
Additional preview pages of the FAN5776 datasheet.

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Full PDF Text Transcription

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FAN5776 — Synchronous Boost and Series/Parallel 10-LED Driver October 2013 FAN5776 Synchronous Boost and Series / Parallel 10-LED Driver Features  Synchronous Current-Mode Boost Converter  Drives up to 10 LEDs at 25 mA Each in a Configuration of 5 Strings of 2 LEDs in Series  5 LED Outputs: High-Side Current Sources  Two Default Groups of 3x2-LED Channels and 2x2-LED Channels with Individual Enable and PWM Dimming Control to Support Various Lighting Applications, such as: o Backlighting of Dual-LCD Displays, LCD Display Plus Keypad Illumination  Boost PFM Mode Maximizes Efficiency Under Light Loads  2.3 V to 5.5 V Input Voltage Range  1.
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