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AA1700 - Constant Current White LED driver

General Description

Pin No.

I O O Output voltage feedback pin AA1700 Constant Current White LED driver Description Soft start and short circuit protection setting Power supply pin ON/OFF control pin Output driver pin Gro

Key Features

  • Drives Up to 8 LEDs in Series.
  • Second or more string of LEDs can be added.
  • Low current consumption: Typically 5.5 mA in operation, 1 µA or less in stand-by.
  • PWM mode operation of the boost circuit (frequency range: 10 kHz to 1 MHz).
  • Incorporates a soft start circuit and adjustable soft start time.
  • Timer latch LED short-circuit protection circuit (SP).
  • On/off control function.
  • Available in an 8-pin TSSOP or SOP packag.

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Datasheet Details

Part number AA1700
Manufacturer Agamem Microelectronic
File Size 265.40 KB
Description Constant Current White LED driver
Datasheet download datasheet AA1700 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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www.DataSheet4U.com Agamem Microelectronics Inc. PRELIMINARY OVERVIEW AA1700 Constant Current White LED driver The AA1700 is a high frequency boost DC/DC converter with constant current output that drives white LEDs or similar. The LED current is set with the external resistor. Soft start circuitry prevents excessive current drawn from the supply during power on. Any number of LEDs can be connected in series as long as the summed forward voltages do not lead to exceed the specified operating output voltage range. This IC works with a wide operating supply range (1.8V to 15V) and low current consumption, is optimal for use in high-efficiency white LED driver. FEATURES • Drives Up to 8 LEDs in Series. • Second or more string of LEDs can be added. • Low current consumption: Typically 5.