A8438 Photoflash Capacitor Charger

Allegro MicroSystems

Description

www.DataSheet4U.com A8438 Package EJ: MLP/TDFN, 3 × 3 mm 0.75 mm nominal height Photoflash Capacitor Charger with IGBT Driver .

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Datasheet Specifications

Part number: A8438
Manufacturer: Allegro MicroSystems
File Size: 555.88 KB
Datasheet: A8438_AllegroMicroSystems.pdf
Description: Photoflash Capacitor Charger

Features

* Power with 1 Li+ or 2 Alkaline/NiMH/NiCAD batteries Adjustable output voltage >75% efficiency Three levels of switch current limit: 1.6, 1.8, 2.0 A Fast charge time Charge complete indication Integrated IGBT driver with trigger No primary-side Schottky diode needed Low-profile package (0.75 mm nomin

Applications

* It is lead (Pb) free, with 100% matte-tin leadframe plating. A8438-DS, Rev. 1 APPLICATIONS Digital camera flash Film camera flash Cell phone flash Emergency strobe light Two Alkaline/NiMH/NiCAD or one Li+ battery or 1.5 to 5.5 V D1 VBATT VOUT T1 + C1 0.1 μF C2 4.7 μF VBIAS 3.0 to 5.5 V R1 R2 R5

A8438 Distributors

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A8438 Photoflash Capacitor Charger Allegro MicroSystems

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