A8439
A8439 is Photoflash Capacitor Charger manufactured by Allegro MicroSystems.
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Photoflash Capacitor Charger with IGBT Driver and Refresh
Features and Benefits
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- Power with 1 Li+ or 2 Alkaline/NiMH/NiCAD batteries Adjustable output voltage Auto-refresh >75% efficiency Eight-level, digitally-programmable current limit Charge plete indication Integrated IGBT driver with trigger No primary-side Schottky diode needed Low-profile package (0.75 mm nominal height)
Description
The A8439 is a highly integrated IC that charges photoflash capacitors for digital and film cameras. An integrated MOSFET switch drives the transformer in a flyback topology. It also Features an integrated IGBT driver that facilitates the flash discharge...