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AAT3170

PinoutSpecificationsUser Programmable Flash Duration VIN Range: 2.7V to 5.5V 600mA Output Current Tri-Mode 1X/1.5X/2X in Current Mode Voltage Mode Operation: 1.5X, 200mA Dual Regulated Current Sinks Current Match Between Current Sinks 32 Current Steps Set by AS2Cwire 1F Input, Output, and Flying C...

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SeekIC No. : 004261129 Detail

AAT3170: PinoutSpecificationsUser Programmable Flash Duration VIN Range: 2.7V to 5.5V 600mA Output Current Tri-Mode 1X/1.5X/2X in Current Mode Voltage Mode Operation: 1.5X, 200mA Dual Regulated Current Sinks...

AAT3170 Data Sheet

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Part Number:
AAT3170
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/5

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Product Details

Description



Pinout

Connection Diagram


Specifications

  • User Programmable Flash Duration
  • VIN Range: 2.7V to 5.5V
  • 600mA Output Current
  • Tri-Mode 1X/1.5X/2X in Current Mode
  • Voltage Mode Operation: 1.5X, 200mA
  • Dual Regulated Current Sinks
  • Current Match Between Current Sinks
  • 32 Current Steps Set by AS2Cwire
  • 1F Input, Output, and Flying Capacitors
  • <1.0A of Shutdown
  • Small Application Circuit
  • No Inductors
  • Automatic Soft Start
  • 12-Pin TDFN 3x3mm Package
  • -40C to +85C Temperature Range



Description

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The AAT3170 is a high output current, high efficiency, low noise, low profile charge pump DC/DC converter, ideal for multi-function LED photo-flash applications where solution cost, size, and efficiency are critical.

The dual charge pump in the AAT3170 is capable of delivering 600mA output current. Two current-controlled paths are available for users of dual flash LEDs that prefer current matching. Each LED channel can be easily programmed in 32 steps with a single GPIO output through the AS2Cwire?(Advanced Simple Serial Control? interface. This allows smooth transitions and flexible adjustment of brightness in flash or other lighting modes.

The tri-mode (1X/1.5X/2X) operation of the internal charge pump offers excellent power efficiency for both flash and movie modes. Combined with a low external parts count (two 1F flying capacitors and one small bypass capacitor at VIN and OUT), the AAT3170 is ideally suited for small, battery-powered applications.

The AAT3170 has a thermal management system to protect the device in the event of a short-circuit condition at the output pin. Built-in soft-start circuitry prevents excessive inrush current during start-up. The shutdown feature disconnects the load from VIN and reduces quiescent current to less than 1.0A. 

The AAT3170 is available in the Pb-free, thermally enhanced, 12-pin 3x3mm TDFN package.




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