1MHz 600mA Step-Down DC/DC Converter

Manufacturer's part number :

AAT1126IGV-0.6-T1

NATO number :

AAT1126

Manufacturer Skyworks

Skyworks

Description :

The AAT1126 SwitchReg™ is a member of AnalogicTech's Total Power Management IC™ (TPMIC™) product family. It is a 1MHz step-down converter with an input voltage range of 2.7V to 5.5V and output as low as 0.6V. Its low supply current, small size, and high switching frequency make the AAT1126 the ideal choice for portable applications. The AAT1126 is available in either a fixed version with internal feedback or a programmable version with external feedback resistors. It can deliver up to 600mA of load current while maintaining a low 25µA no load quiescent current. The 1MHz switching frequency minimizes the size of external components while keeping switching losses low. The AAT1126 feedback and control delivers excellent load regulation and transient response with a small output inductor and capacitor. The AAT1126 is designed to maintain high efficiency throughout the operating range and provides fast turn-on time. The AAT1126 is available in a Pb-free, space-saving SOT23-5 package and is rated over the -40°C to +85°C temperature range.

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    Features

    • VIN Range: 2.7V to 5.5V
    • VOUT Adjustable Down to 0.6V
    • Fixed or Adjustable Version
    • Fast Turn-On Time (100μs Typical)
    • 25μA No Load Quiescent Current
    • Up to 97% Efficiency
    • Output Current Up to 600mA
    • 1MHz Switching Frequency
    • Soft Start
    • Over-Temperature Protection
    • Current Limit Protection
    • 100% Duty Cycle Low-Dropout Operation
    • 0.1μA Shutdown Current
    • SOT23-5 Package
    • Temperature Range: -40°C to +85°C

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Features Similar products
Control scheme Slope Compensated Peak Current Mode Control  

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Switching frequency (kHz) 1000  
Max Input Voltage (V) 2.7 to 5.5  
Output Voltage (V) 0.6 to 5.5  
Typ. Active Current (µA) 25  
Output Capacitor Type 22 μF, X5R or X7R Ceramic Capacitor  
Output Current (mA) 600  
Operating Temperature (°C) -40 to +85  
Package SOT-23-5