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ETA1477 - High Efficiency Synchronous Step-Down Converter

General Description

ETA1477 is a wide input range, high-efficiency and high frequency DC-to-DC step-down switching regulator, capable of delivering up to 2A of output current.

Key Features

  • Wide Input Range: 4.5V-18V.
  • Adaptive COT Control.
  • Ultra-fast Load Transient Response.
  • High Efficiency PFM Mode at Light Load.
  • High Efficiency Synchronous Operation.
  • No Load IQ 177uA.
  • Low Rdson Internal Power FETs.
  • Capable of Delivering 2A.
  • No External Compensation Needed.
  • Thermal Shutdown and UVLO.
  • Available in SOT23-6 Package.

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Datasheet Details

Part number ETA1477
Manufacturer ETA
File Size 0.98 MB
Description High Efficiency Synchronous Step-Down Converter
Datasheet download datasheet ETA1477 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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ETA1477 18V/2A, High Efficiency Synchronous Step-Down Converter in SOT23-6 DESCRIPTION ETA1477 is a wide input range, high-efficiency and high frequency DC-to-DC step-down switching regulator, capable of delivering up to 2A of output current. It adopts an Adaptive COT control scheme that enables very fast transient response and provides a very smooth transition when the output varies from light load to heavy load. During light load, ETA1477 goes into a PFM mode that saves switching loss achieving high efficiency. The adaptive COT control also maintains a constant switching frequency across line and load. ETA1477 is available in SOT23-6 package. FEATURES  Wide Input Range: 4.