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AT1453 - Photoflash Capacitor Charger

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.

Key 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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Other Datasheets by Aimtron Technology

Part Number Description
AT1450 Photoflash Capacitor Charger
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.