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A8732

Allegro Micro Systems
Part Number A8732
Manufacturer Allegro Micro Systems
Description Ultra Small Mobile Phone Xenon Photoflash Capacitor Charger
Published Jul 3, 2010
Detailed Description com A8732 Ultra Small Mobile Phone Xenon Photoflash Capacitor Charger with IGBT Driver Features and Be...
Datasheet PDF File A8732 PDF File

A8732
A8732

Overview
com A8732 Ultra Small Mobile Phone Xenon Photoflash Capacitor Charger with IGBT Driver Features and Benefits ▪ Ultra small 2 × 2 DFN/MLP-8 package ▪ Low quiescent current draw (0.
5 μA max.
in shutdown mode) ▪ Primary-side output voltage sensing; no resistor divider required ▪ Adjustable switch peak current limit up to 1.
5 A with single-wire programming through the CHARGE pin ▪ 1V logic (VHI(min)) compatibility ▪ Integrated IGBT driver with internal gate resistors ▪ Optimized for mobile phone, 1-cell Li+ battery applications ▪ Zero-voltage switching for lower loss ▪ >75% efficiency ▪ Charge complete indication ▪ Integrated 50 V DMOS switch with self-clamping protection Desc...


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