1MHz 3A Step-Down DC/DC Converter

Manufacturer's part number :

AAT1154IAS-1.8-T1

NATO number :

AAT1154

Manufacturer Skyworks

Skyworks

Description :

The AAT1154 SwitchReg™ is a member of AnalogicTech's Total Power Management™ IC product family. The step-down switching converter is ideal for applications where high efficiency, small size, and low ripple are critical. Able to deliver 3A with an internal power MOSFET, the current-mode controlled IC provides high efficiency. Fully internally compensated, the AAT1154 simplifies system design and lowers external part count. The AAT1154 is available in an SOP-8 package, rated over the -40ºC to +85ºC temperature range.

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    Features

    • VIN Range: 2.7V to 5.5V
    • Fixed or Adjustable VOUT: 1.0V to 4.2V
    • 3A Output Current
    • Up to 95% Efficiency
    • Integrated Low On Resistance Power Switch
    • Internally Compensated Current Mode Control
    • 1MHz Switching Frequency
    • Constant Pulse Width Modulation (PWM) Mode
    • Low Output Ripple With Light Load
    • Internal Soft Start
    • Current Limit Protection
    • Over-Temperature Protection
    • SOP-8 Package
    • -40°C to +85°C Temperature Range

    How wireless works

Features Similar products
Control scheme Internally Compensated Current Mode Control  

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Switching frequency (kHz) 1000  
Max Input Voltage (V) 2.7 to 5.5  
Output Voltage (V) 1 to 4.2  
Typ. Active Current (µA) 630  
Output Capacitor Type 200 μF, Ceramic Capacitor  
Output Current (mA) 3000  
Operating Temperature (°C) -40 to +85  
Package SOP-8