A8425 - High Current Photoflash Capacitor Charger

Allegro

Datasheet Details

Part number	A8425
Manufacturer	Allegro
File Size	439.72 KB
Description	High Current Photoflash Capacitor Charger
Datasheet	A8425-Allegro.pdf

The A8425 charges photoflash capacitors for digital cameras, camcorders, and DSC combos.

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 charge time.
Charge Complete indication.
Flexible, high current IGBT drive.
Independent IGBT driver supply.
Separate sink and source pins with 6 Ω pull-up and 2.

📁 A8425 Similar Datasheet

A8430 - White LED Driver Constant Current Step-up Converter (Allegro MicroSystems)
A8431 - White LED Driver Constant Current Step-up Converter (Allegro MicroSystems)
A8434 - 6-Channel High Efficiency Charge Pump White LED Driver (Allegro MicroSystems)
A8435 - High Efficiency Charge Pump White LED Driver (Allegro MicroSystems)
A8436 - Photoflash Capacitor Charger (Allegro MicroSystems)
A8437 - Mobile Phone Xenon Photoflash Capacitor Charger (Allegro MicroSystems)
A8438 - Photoflash Capacitor Charger (Allegro MicroSystems)
A8439 - Photoflash Capacitor Charger (Allegro MicroSystems)

Other Datasheets by Allegro

Published: Jan 8, 2025 |