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A8425

High Current Photoflash Capacitor Charger

A8425 Features

* ▪ Wide battery voltage range: 1.5 to 11 V ▪ Integrated 55 V DMOS switch in very thin profile 3 mm × 3 mm, 0.75 mm nominal height package ▪ Peak current limit continuously adjustable from 1.0 to 3.2 A ▪ Output voltage sensing on primary side: no resistor divider required ▪ >75% efficiency ▪ Fast char

A8425 General Description

The A8425 charges photoflash capacitors for digital cameras, camcorders, and DSC combos. An integrated 55 V DMOS switch drives the transformer in a flyback topology optimized for 2-cell Li+ battery input. An integrated IGBT driver with separate source and sink pins allows high performance red-eye re.

A8425 Datasheet (439.72 KB)

Preview of A8425 PDF

Datasheet Details

Part number:

A8425

Manufacturer:

Allegro

File Size:

439.72 KB

Description:

High current photoflash capacitor charger.

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A8425 High Current Photoflash Capacitor Charger Allegro

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