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AAT1112 - Step-Down Converter

Description

The AAT1112 SwitchReg is a 1.5A step-down converter with an input voltage range of 2.4V to 5.5V and an adjustable output voltage from 0.6V to VIN.

The 1.4MHz switching frequency enables the use of small external components.

Features

  • SwitchReg™ 1.5A Maximum Output Current Input Voltage: 2.4V to 5.5V Output Voltage: 0.6V to VIN Up to 95% Efficiency 42µA No Load Quiescent Current No External Compensation Required 1.4MHz Switching Frequency Synchronizable to External Clock Optional "PWM Only" Low Noise Mode 100% Duty Cycle Low-Dropout Operation Internal Soft Start Over-Temperatu.

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Datasheet preview – AAT1112

Datasheet Details

Part number AAT1112
Manufacturer Advanced Analog Technology
File Size 835.49 KB
Description Step-Down Converter
Datasheet download datasheet AAT1112 Datasheet
Additional preview pages of the AAT1112 datasheet.

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Full PDF Text Transcription

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1.5A, 1.4MHz Step-Down Converter General Description The AAT1112 SwitchReg is a 1.5A step-down converter with an input voltage range of 2.4V to 5.5V and an adjustable output voltage from 0.6V to VIN. The 1.4MHz switching frequency enables the use of small external components. The small footprint and high efficiency make the AAT1112 an ideal choice for portable applications. The AAT1112 delivers 1.5A maximum output current while consuming only 42µA of no-load quiescent current. Ultra-low RDS(ON) integrated MOSFETs and 100% duty cycle operation make the AAT1112 an ideal choice for high output voltage, high current applications which require a low dropout threshold. The AAT1112 provides excellent transient response and high output accuracy across the operating range.
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