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Fast Transient 400mA Step-Down DC/DC Converter: AAT1146

Source: Skyworks Solutions, Inc.

Fast Transient 400mA Step-Down DC/DC Converter: AAT1146

This 1.4 MHz step-down converter has an input range of 2.7V to 5.5V and an output voltage as low as 0.6V. This converter is ideal for applications involving USB devices, cellular phones, digital cameras, PDAs and handheld computers, microprocessor/DSP/IO power, and handheld instruments. This DC/DC converter is designed to maintain high efficiency throughout its operating range, which is critical for portable applications.

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Fast Transient 400mA Step-Down DC/DC Converter: AAT1146 Datasheet

AAT1146 Step-Down DC/DC Converter Features:

VIN Range: 2.7V to 5.5V
VOUT Fixed or Adjustable from 0.6V to VIN
27μA No Load Quiescent Current
Up to 98% Efficiency
400mA Max Output Current
1.4MHz Switching Frequency
120μs Soft Start
Fast Load Transient
Over-Temperature Protection
Current Limit Protection
100% Duty Cycle Low-Dropout Operation
<1μA Shutdown Current
SC70JW-8 and SOT23-5 Packages
Temperature Range: -40°C to +85°C

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