ams AG - global leader in the design and manufacture of high performance analog ICs (integrated circuits)

AS3635 Xenon-flash Driver

Xenon-flash charger, IGBT driver

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The AS3635 is a highly integrated photoflash charger with build in IGBT driver. A build in 5V charge-pump guaranties constant IGBT drive at any battery voltage. The build in timer turns off the charge-pump 20 seconds after charging. In circuit fuse trimming allows to set the voltage on the photoflash capacitor to ±3% accuracy.

Key Features

  • Accurate high voltage generation
  • 5V charge pump

Key Benefits

  • High performance Xenon flash
  • IGBT drive voltage is independent of battery voltage

Product Facts

Topology XENON, Flyback
DC-DC frequ. [MHz]
Performance [ILed max]
- [Vout max] 330 (in circuit trimmable)
LED channels [Curr. sinks]
- [Curr. source]
- [Flash LEDs]
- [Indicator LED]
Interfaces [I²C]
- [Enable]
Safety features [TimeOut]
- [TXMask]
Package WL-CSP-9 (1.5×1.5), pitch 0.5

Additional Information


Xenon Flash modules for high end mobile phones and small digital still cameras