Datasheet Summary
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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...