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AAT2153 - 2.5A Low Noise Step-Down Converter

General Description

The AAT2153 SwitchReg is a 2.5A step-down converter with an input voltage range of 2.7V 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.

Key Features

  • 2.5A Maximum Output Current Input Voltage: 2.7V to 5.5V Output Voltage: 0.6V to VIN Up to 95% Efficiency Low Noise Light Load Mode 42μA No Load Quiescent Current No External Compensation Required 1.4MHz Switching Frequency 100% Duty Cycle Low-Dropout Operation Internal Soft Start Over-Temperature and Current Limit Protection.

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Datasheet Details

Part number AAT2153
Manufacturer Advanced Analogic Technologies
File Size 2.53 MB
Description 2.5A Low Noise Step-Down Converter
Datasheet download datasheet AAT2153 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PRODUCT DATASHEET AAT2153 SwitchRegTM General Description The AAT2153 SwitchReg is a 2.5A step-down converter with an input voltage range of 2.7V 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 AAT2153 an ideal choice for portable applications. The AAT2153 delivers 2.5A 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 AAT2153 an ideal choice for high output voltage, high current applications which require a low dropout threshold. The AAT2153 provides excellent transient response and high output accuracy across the operating range.