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AAT3174 - High Efficiency Charge Pump

General Description

The AAT3174 is a high output current, high efficiency, low noise, low profile charge pump DC/DC converter.

The device is ideal for multi-functional LED photo-flash applications where solution cost, size, and efficiency are critical.

Key Features

  • Up to 800mA Output Current.
  • Tri-Mode 1X/1.5X/2X in Current Mode.
  • 16 Current Steps Set by S2Cwire.
  • External RSET to Set Maximum Current.

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DATA SHEET AAT3174 High Current, High Efficiency Charge Pump General Description The AAT3174 is a high output current, high efficiency, low noise, low profile charge pump DC/DC converter. The device is ideal for multi-functional LED photo-flash applications where solution cost, size, and efficiency are critical. The AAT3174 is capable of driving a regulated output current up to 800mA. Output current levels can be easily programmed in 16 steps through Skyworks’ Simple Serial Control™ (S2Cwire™) interface controlled by a single microcontroller GPIO line. This allows smooth transitions and flexible adjustment of brightness in flash or other lighting modes. The maximum output current can also be set with an external RSET resistor. The tri-mode (1X/1.