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

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Manufacturer Skyworks


Description :

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 dual-cell 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.

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    • 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

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Features Similar products
Control scheme Constant Frequency Current Mode Control  

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Switching frequency (kHz) 800  
Max Input Voltage (V) 4 to 13.2  
Output Voltage (V) 0.6 to 13.2  
Typ. Active Current (µA) 150  
Output Capacitor Type X5R or X7R Ceramic Capacitor  
Output Current (mA) 1500  
Operating Temperature (°C) -40 to +85  
Package TDFN34-16