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G5642 - 3A Buck Converter

Download the G5642 datasheet PDF. This datasheet also covers the G5642-GlobalMixed variant, as both devices belong to the same 3a buck converter family and are provided as variant models within a single manufacturer datasheet.

General Description

The G5642 is a high efficiency, 3A buck converter with a high-side low RDS(ON) switch.

It operates from 4.75V to 20V input voltage range, and provides up to 3A continuous output current with the output voltage adjustable down to 1.2V.

Key Features

  • 4.75V to 20V Supply Voltage Operating Range.
  • Fixed 500kHz Switching Frequency.
  • Current-Mode Buck PWM Converter.
  • Built-in P-Channel Power MOSFET.
  • 3A Output Current.
  • 1.2V Internal Reference.
  • Shutdown Control.
  • Thermal-Shutdown and Internal Soft Start.
  • Cycle-by-Cycle Current-Limit.
  • Short Circuit Protection.
  • Under-Voltage Lockout Protection.
  • RoHs Compliant.
  • SOP-8 (FD) Package Applica.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (G5642-GlobalMixed-modeTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number G5642
Manufacturer Global Mixed-mode Technology
File Size 68.34 KB
Description 3A Buck Converter
Datasheet download datasheet G5642 Datasheet

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Other Datasheets by Global Mixed-mode Technology

Part Number Description
G5640 2.5A Buck Converter
G5644 2.5A Buck Converter
G5601A High-Speed Step-Down Controller
G5602 High-Speed Step-Down Controller
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 3A Buck Converter G5642 Features „ 4.75V to 20V Supply Voltage Operating Range „ Fixed 500kHz Switching Frequency „ Current-Mode Buck PWM Converter „ Built-in P-Channel Power MOSFET „ 3A Output Current „ 1.2V Internal Reference „ Shutdown Control „ Thermal-Shutdown and Internal Soft Start „ Cycle-by-Cycle Current-Limit „ Short Circuit Protection „ Under-Voltage Lockout Protection „ RoHs Compliant „ SOP-8 (FD) Package Applications „ Distributed Power Systems „ Battery Charger „ Palmtop Computers, PDAs „ DSL Modems Ordering Information ORDER NUMBER G5642F11U Note: F1: SOP-8 (FD) 1: Bonding Code U : Tape & Reel Pin Configuration MARKING G5642 General Description The G5642 is a high efficiency, 3A buck converter with a high-side low RDS(ON) switch.