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A8437 Datasheet Mobile Phone Xenon Photoflash Capacitor Charger

Manufacturer: Allegro MicroSystems

General Description

The Allegro® A8437 Xenon photoflash charger IC is desi

Overview

A8437 Mobile Phone Xenon Photoflash Capacitor Charger with IGBT Driver Discontinued Product This device is no longer in production.

The device should not be purchased for new design applications.

Samples are no longer available.

Key Features

  • Low quiescent current draw (0.1 μA in shutdown mode).
  • Primary-side output voltage sensing; no resistor divider required.
  • User-adjustable current limit from 0.4 to 1.2 A.
  • 1.1 V logic (VHI(min)) compatibility.
  • Integrated IGBT driver with separate sink and source (CG package) or common sink/source (EJ package).
  • Flash dual trigger with interlock for increased noise immunity.
  • Optimized for mobile phone, 1-cell Li+ battery.