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GS5581A - 1A Synchronous Step-Down Converter

Download the GS5581A datasheet PDF (GS5581 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for 1a synchronous step-down converter.

Description

The GS5581/A are high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1A output currents.

Features

  • High Efficiency: Up to 96%.
  • 1.5MHz Constant Frequency Operation.
  • 1A Output Current.
  • No Schottky Diode Required.
  • 2.3V to 6V Input Voltage Range.
  • Adjustable Output Voltage.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (GS5581-Globaltech.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number GS5581A
Manufacturer Globaltech
File Size 1.80 MB
Description 1A Synchronous Step-Down Converter
Datasheet download datasheet GS5581A Datasheet

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Full PDF Text Transcription

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1.5MHz, 1A Synchronous Step-Down Converter Product Description The GS5581/A are high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1A output currents. The GS5581/A can operate over a wide input voltage range from 2.3V to 6V and integrates main switch and synchronous switch with very low RDS(ON) to minimize the conduction loss. It is ideal for powering portable equipment that runs from a single cell Lithium-Ion (Li+) battery. The output voltage can be regulated as low as 0.6V. The GS5581/A can also run at 100% duty cycle for low dropout operation, extending battery life in portable system. This device offers two operation modes, PWM mode and PFM Mode switching control, which allows a high efficiency over the wider range of the load.
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