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IC-Hersteller Sky Works

IC-Hersteller (84)

Sky Works AAT1162

12V, 1.5A Step-Down DC/DC Converter


Eingangsspannung4-13.2 V
Schaltfrequenz600-1000 kHz
Ausgang 112 V / 1.5 A


The AAT1162 is an 800kHz high efficiency step-down DC/DC converter. With a wide input voltage range of 4.0V to 13.2V, the AAT1162 is an ideal choice for dualcell Lithium-ion battery-powered devices and mid-power- range regulated 12V-powered industrial applications The internal power switches are capable of delivering up to 1.5A to the load.

The AAT1162 is a highly integrated device, simplifying system-level design. Minimum external components are required for the converter.

The AAT1162 optimizes efficiency throughout the entire load range. It operates in a combination PWM/Light Load mode for improved light-load efficiency. The high switching frequency allows the use of small external components.The low current shutdown feature disconnects the load from VIN and drops shutdown current to less than 1μA.

The AAT1162 is available in a Pb-free, space-saving, thermally-enhanced 16-pin TDFN34 package and is rated over an operating temperature range of -40°C to +85°C.


  • Input Voltage Range: 4.0V to 13.2V
  • Up to 1.5A Load Current
  • Fixed or Adjustable Output:
  • Output Voltage: 0.6V to VIN
  • Low 150μA No-Load Operating Current
  • Less than 1μA Shutdown Current
  • Up to 96% Efficiency
  • Integrated Power Switches
  • 800kHz Switching Frequency
  • Soft Start Function
  • Short-Circuit and Over-Temperature Protection
  • Minimum External Components
  • TDFN34-16 Package
  • Temperature Range: -40°C to +85°C


  • Refer page num 11 for inductor parts and series.

Typische Anwendungen

  • Distributed Power Systems
  • Portable DVD Players
  • TFT LCD Monitors and HDTVs
  • Industrial Applications
  • Set-Top Boxes
  • Portable Media Players
  • Laptop Computers

Weiterführende Informationen