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ETA3452 - Adaptive COT Step-Down Converter

Description

ETA3452 belongs to a new breed of high frequency synchronous Step-Down converters that combines the advantages of voltage mode control and Constant-On-Time control.

Its adaptive Constant-On-Time control dynamically changes switch on time to achieve a constant switching frequency.

Features

  • make ETA3452 an excellent choice for ARM based CPU power supply. ETA3452 is in a SOT23-6 package.

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Datasheet preview – ETA3452

Datasheet Details

Part number ETA3452
Manufacturer ETA
File Size 914.66 KB
Description Adaptive COT Step-Down Converter
Datasheet download datasheet ETA3452 Datasheet
Additional preview pages of the ETA3452 datasheet.

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Full PDF Text Transcription

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ETA3452 6V/3A, Fast Response, Adaptive COT Step-Down Converter in SOT23-6 DESCRIPTION ETA3452 belongs to a new breed of high frequency synchronous Step-Down converters that combines the advantages of voltage mode control and Constant-On-Time control. Its adaptive Constant-On-Time control dynamically changes switch on time to achieve a constant switching frequency. It does not have the minimum on-time constrain normally a fixed-frequency current mode Step-down requires, allowing it to go down to very low duty ratio without affecting loop stability. The voltage mode nature of ETA3452 also provides more superior load transient response and a seamless transition from PFM to PWM modes. ETA3452 is capable of supplying output with current up to 3A at 1.2V output.
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