A8732 - Ultra Small Mobile Phone Xenon Photoflash Capacitor Charger

Description

The Allegro® A8732 is a Xenon photoflash charger IC designed to meet the needs of ultra low power, small form factor cameras, particularly camera phones.

By using primary-side voltage sensing, the need for a secondary-side resistive voltage divider is eliminated.

Features

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.

Allegro Micro Systems

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Datasheet Details

Part number	A8732
Manufacturer	Allegro Micro Systems
File Size	595.97 KB
Description	Ultra Small Mobile Phone Xenon Photoflash Capacitor Charger
Datasheet	A8732 Datasheet
Additional preview pages of the A8732 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.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.

Published: Jul 3, 2010 |