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GS5581B - 1A Synchronous Step-Down Converter

Description

The GS5581/B 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.
  • 2.6V to 6V Input Voltage Range.
  • Adjustable Output Voltage Range Options from 0.6V to VIN.
  • Slope Compensated Current Mode Control for Excellent Line and Load Transient Response.
  • Short Circuit Protection.
  • Thermal Fault Protection.
  • Inrush Current Limit and Soft Start.

📥 Download Datasheet

Datasheet Details

Part number GS5581B
Manufacturer Globaltech
File Size 924.31 KB
Description 1A Synchronous Step-Down Converter
Datasheet download datasheet GS5581B Datasheet

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Full PDF Text Transcription

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GS5581/B 1.5MHz, 1A Synchronous Step-Down Converter Product Description The GS5581/B are high-efficiency, high frequency synchronous step-down DC-DC regulator ICs capable of delivering up to 1A output currents. The GS5581/B can operate over a wide input voltage range from 2.6V 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/B offers two operation modes, PWM mode and PFM Mode switching control, which allows a high efficiency over the wider range of the load. Features  High Efficiency: Up to 96%  1.
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