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AAT2146W - Fast Transient 600mA Step-Down Converter

General Description

The AAT2146W SwitchReg is a 2MHz fixed frequency step-down converter with an input voltage range of 2.7V to 5.5V and output voltage as low as 0.6V.

It is optimized to react quickly to a load variation.

Key Features

  • VIN Range: 2.7V to 5.5V.
  • Low Ripple Voltage Fixed Frequency PWM Mode.
  • VOUT Adjustable from 0.6V to VIN.
  • Efficiency up to 96%.
  • 600mA Max Output Current.
  • 2MHz Switching Frequency.
  • 150μs Soft Start.
  • Fast Load Transient.
  • Over-Temperature Protection.
  • Current Limit Protection.
  • 100% Duty Cycle Low-Dropout Operation.

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DATA SHEET AAT2146W Low-Noise, Fast Transient 600mA Step-Down Converter General Description The AAT2146W SwitchReg is a 2MHz fixed frequency step-down converter with an input voltage range of 2.7V to 5.5V and output voltage as low as 0.6V. It is optimized to react quickly to a load variation. The AAT2146W is ideal for applications where fixed frequency and low ripple voltage are required over the full range of load conditions. The AAT2146W is programmable with external feedback resistors. It can deliver 600mA of load current while maintaining a low 150μA no-load quiescent current. The 2MHz switching frequency minimizes the size of external components while keeping switching losses low.