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G5723 - Synchronous Buck Converter

This page provides the datasheet information for the G5723, a member of the G5723-GlobalMixed Synchronous Buck Converter family.

Datasheet Summary

Description

The G5723 consists of a synchronous step-down DC/DC converter and a low-noise LDO regulator.

The DC/DC converter is operated on current mode architecture.

Switching frequency is set at 1.2MHz allowing the use of small surface mount inductor and capacitor.

Features

  • Buck Converter.
  • High Efficiency: Up to 95%.
  • Low Quiescent Current: Only 50µA During Op- eration.
  • Internal Soft Start Function.
  • 600mA Output Current.
  • 2.5V to 6V Input Voltage Range.
  • 1.2MHz Switching Frequency.
  • No Schottky Diode Required.
  • 100% Duty Cycle in Dropout Operation.
  • 0.6V Reference Allows Low Output Voltages.

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Datasheet preview – G5723

Datasheet Details

Part number G5723
Manufacturer Global Mixed-mode Technology
File Size 233.63 KB
Description Synchronous Buck Converter
Datasheet download datasheet G5723 Datasheet
Additional preview pages of the G5723 datasheet.

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Full PDF Text Transcription

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Global Mixed-mode Technology Inc. G5723 Synchronous Buck Converter with Low-Noise LDO Regulator Features Buck Converter „ High Efficiency: Up to 95% „ Low Quiescent Current: Only 50µA During Op- eration „ Internal Soft Start Function „ 600mA Output Current „ 2.5V to 6V Input Voltage Range „ 1.2MHz Switching Frequency „ No Schottky Diode Required „ 100% Duty Cycle in Dropout Operation „ 0.6V Reference Allows Low Output Voltages „ <1µA Shutdown Current „ Current Mode Operation for Excellent Line and Load Transient Response LDO Regulator „ Ultra Low Output Noise 30µV (rms) „ Ultra Low 55µA No-Load Supply Current „ Ultra Low Dropout 70mV @ 50mA Load „ Guarantee 300mA Output Current „ Fixed Mode: 3V „ Max.
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