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STI3408 - 1.0A Synchronous Step-Down Converter

Datasheet Summary

Description

The STI3408 is a constant frequency, current mode PWM step-down converter.

The device integrates a main switch and a synchronous rectifier for high efficiency without an external Schottky diode.

Features

  • High Efficiency: Up to 96%.
  • 1.5MHz Constant Frequency Operation.
  • 1.0A Output Current.
  • No Schottky Diode Required.
  • 2.5V to 6.0V Input Voltage Range.
  • Output Voltage as Low as 0.6V.
  • 100% Duty Cycle in Dropout.
  • Low Quiescent Current: 20µA.
  • Slope Compensated Current Mode Control for Excellent Line and Load Transient Response.
  • Short Circuit Protection.
  • Thermal Fault Protection.
  • Inrush Current Limit and Soft Start.

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Datasheet preview – STI3408

Datasheet Details

Part number STI3408
Manufacturer SUNTO
File Size 157.23 KB
Description 1.0A Synchronous Step-Down Converter
Datasheet download datasheet STI3408 Datasheet
Additional preview pages of the STI3408 datasheet.

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Full PDF Text Transcription

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STI 3408 1.5MHz, 1.0A Synchronous Step-Down Converter FEATURES  High Efficiency: Up to 96%  1.5MHz Constant Frequency Operation  1.0A Output Current  No Schottky Diode Required  2.5V to 6.0V Input Voltage Range  Output Voltage as Low as 0.6V  100% Duty Cycle in Dropout  Low Quiescent Current: 20µA  Slope Compensated Current Mode Control for Excellent Line and Load Transient Response  Short Circuit Protection  Thermal Fault Protection  Inrush Current Limit and Soft Start  <1µA Shutdown Current  Tiny SOT23-5 Package APPLICATIONS  Cellular and Smart Phones  Wireless and DSL Modems  PDA/MID/PAD  Digital Still and Video Cameras GENERAL DESCRIPTION The STI3408 is a constant frequency, current mode PWM step-down converter.
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