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AAT1142

Part Number	AAT1142
Manufacturer	AAT
Description	Voltage-Scaling Step-Down Converter
Published	Apr 30, 2007
Detailed Description	800mA Voltage-Scaling Step-Down Converter General Description The AAT1142 SwitchReg is a dynamically programmable 2.2MHz...
Datasheet	AAT1142 PDF File

Overview

800mA Voltage-Scaling Step-Down Converter General Description The AAT1142 SwitchReg is a dynamically programmable 2.
2MHz step-down converter with an input voltage range of 2.
7V to 5.
5V and output from 0.
6V to 2.
0V.
Its low supply current, high level of integration, and small footprint make the AAT1142 the ideal choice for microprocessor core power in systems such as smartphones.
The 2.
2MHz switching frequency allows the use of a small external inductor and capacitors.
Peak current mode control and internal compensation provide stable operation and fast voltage response without over/undershoot or ringing.
The AAT1142 delivers up to 800mA of output current while consuming 35µA of typical no lo...

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