• Part: AS3647
  • Description: 1600mA High Current LED Flash Driver
  • Manufacturer: austriamicrosystems
  • Size: 3.54 MB
AS3647 Datasheet (PDF) Download
austriamicrosystems
AS3647

Description

The AS3647/47B is an inductive high efficient DCDC step up converter with two current sinks.

Key Features

  • High efficiency 4MHz fixed frequency DCDC Boost converter with soft start allows small coils - Stable even in coil current limit
  • LED current adjustable up to 1600mA
  • Automatic current adjustment for low battery voltage
  • PWM operation for lower output current for reliable light output of the LED; running at 31.25kHz to avoid audible noise
  • I2C Interface with automatic shutdown
  • 5V constant voltage mode operation

Applications

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