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G5644 - 2.5A Buck Converter

Download the G5644 datasheet PDF. This datasheet also covers the G5644-GlobalMixed variant, as both devices belong to the same 2.5a buck converter family and are provided as variant models within a single manufacturer datasheet.

Description

The G5644 is a high efficiency, 2.5A buck converter with a high-side low RDS(ON) switch.

It operates from 4.75V to 20V input voltage range, and provides up to 2.5A continuous output current with the output voltage adjustable down to 0.8V.

Features

  • 4.75V to 20V Supply Voltage Operating Range.
  • Fixed 500kHz Switching Frequency.
  • Current-Mode Buck PWM Converter.
  • Built-in P-Channel Power MOSFET.
  • 2.5A Output Current.
  • 0.8V Internal Reference.
  • Shutdown Control.
  • Thermal-Shutdown and Internal Soft Start.
  • Cycle-by-Cycle Current-Limit.
  • Short Circuit Protection.
  • Under-Voltage Lockout Protection.
  • SOP-8 Package.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (G5644-GlobalMixed-modeTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number G5644
Manufacturer Global Mixed-mode Technology
File Size 149.85 KB
Description 2.5A Buck Converter
Datasheet download datasheet G5644 Datasheet

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Other Datasheets by Global Mixed-mode Technology

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G5603 High-Speed Step-Down Controller

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.

View original datasheet text
Global Mixed-mode Technology Inc. 2.5A Buck Converter G5644 Features „ 4.75V to 20V Supply Voltage Operating Range „ Fixed 500kHz Switching Frequency „ Current-Mode Buck PWM Converter „ Built-in P-Channel Power MOSFET „ 2.5A Output Current „ 0.8V Internal Reference „ Shutdown Control „ Thermal-Shutdown and Internal Soft Start „ Cycle-by-Cycle Current-Limit „ Short Circuit Protection „ Under-Voltage Lockout Protection „ SOP-8 Package Applications „ Distributed Power Systems „ Battery Charger „ Palmtop Computers, PDAs „ DSL Modems Pin Configuration General Description The G5644 is a high efficiency, 2.5A buck converter with a high-side low RDS(ON) switch. It operates from 4.75V to 20V input voltage range, and provides up to 2.
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