A8425 Datasheet - Allegro

A8425, High Current Photoflash Capacitor Charger

A8425 High Current Photoflash Capacitor Charger with IGBT Driver for Two Li+ Batteries .
The A8425 charges photoflash capacitors for digital cameras, camcorders, and DSC combos.

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A8425-Allegro.pdf

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Datasheet Details

Part number:

A8425

Manufacturer:

Allegro

File Size:

439.72 KB

Description:

High Current Photoflash Capacitor Charger

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

Applications

* It is lead (Pb) free, with 100% matte-tin leadframe plating. Applications include: ▪ SLR camera flash ▪ Digital camcorder/DSC combo flash ▪ 2 Li+ input strobe Approximate Scale 1:1 A8425-DS, Rev. 1 Typical Application Bias Input 3.0 to 5.5V Battery Input 1.5 to 11 V C2 TLIM + VIN VBAT VOUT D

A8425 Distributors

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A8425 High Current Photoflash Capacitor Charger Allegro

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