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GS5453 - 700KHZ Synchronous Step-Down DC/DC Converter

General Description

The GS5453 is a wide input range, high-efficiency and high frequency DC-to-DC step-down switching regulator, capable of delivering up to 3A of output current.

Key Features

  • Wide 4.5V to 17V Operating Input Range.
  • 24V Standoff Input Voltage.
  • 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 lnternal Power FETs.
  • Capable of Delivering 3A.
  • No External Compensation Needed.
  • Thermal Shutdown and UVLO.
  • Available in SOT-563 Package.

📥 Download Datasheet

Datasheet Details

Part number GS5453
Manufacturer Globaltech
File Size 1.10 MB
Description 700KHZ Synchronous Step-Down DC/DC Converter
Datasheet download datasheet GS5453 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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GS5453 24V, 3A, 700KHZ Synchronous Step-Down DC/DC Converter Product Description The GS5453 is a wide input range, high-efficiency and high frequency DC-to-DC step-down switching regulator, capable of delivering up to 3A 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, GS5453 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. An OVP function protects the IC itself and its downstream system against input voltage surges.