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AT1453 - Photoflash Capacitor Charger

Description

The AT1453 is a charger control IC for Photoflash capacitor with soft start function, adjustable maximum duty cycle and auto-discharge (soft start capacitor) circuit.

Adjustable soft start is programmed with an external capacitor on SS pin.

Features

  • 2.5 to 5.5V supply voltage operating range.
  • Low current consumption: 1mA in operation,.
  • 50 kHz or 100kHz operation frequency.
  • Built-in maximum duty control.
  • Push-pull output.
  • Built-in soft start circuit.
  • Built-in auto-discharge function. General.

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Datasheet Details

Part number AT1453
Manufacturer Aimtron Technology
File Size 669.26 KB
Description Photoflash Capacitor Charger
Datasheet download datasheet AT1453 Datasheet

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www.DataSheet4U.com AT1453 Preliminary Product Information Photoflash Capacitor Charger for DSC Features • 2.5 to 5.5V supply voltage operating range. • Low current consumption: 1mA in operation, • 50 kHz or 100kHz operation frequency . • Built-in maximum duty control. • Push-pull output. • Built-in soft start circuit. • Built-in auto-discharge function. General Description The AT1453 is a charger control IC for Photoflash capacitor with soft start function, adjustable maximum duty cycle and auto-discharge (soft start capacitor) circuit. Adjustable soft start is programmed with an external capacitor on SS pin. The control technique allows for the use of external resistor to change the switching duty and use of transformer to control the input current.
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