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AS3635 - Xenon Flash Driver

General Description

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.

Key Features

  • Build in 5V charge-pump for IGBT gate drive Photoflash voltage accuracy programmable to ±3% (in circuit One Time Programmable - OTP) Trip voltage accuracy ±1.5% Small Size 1.5mm x 1.5mm x 0.6mm PCB: No microvias need Average input current < 320mA Few external components - No Schottky-Diode needed - No output voltage divider needed Reliable Flash on/off for IGBT timing. Charge time < 4sec @ Vbat>2.7V, CFLASH =22µF Charge complete indicator Undervoltage lockout Available in a tiny WL-CSP Package 3.

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Datasheet Details

Part number AS3635
Manufacturer austriamicrosystems
File Size 1.04 MB
Description Xenon Flash Driver
Datasheet download datasheet AS3635 Datasheet

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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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Technical coantmesntAsGtill valid Datasheet AS3635 Xenon Flash Driver with 5V IGBT Control 1 General Description 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. The AS3635 is available in a space-saving WL-CSP package measuring only 1.5mm x 1.5mm and operates over the -30ºC to +85ºC temperature range. Warning: Lethal voltages are present on applications using AS3635! Do not operate without training to handle high voltages. Figure 1.