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MT3420SP - 2A Synchronous Step-Down Converter

General Description

The MT3420SP is a 1.5MHz constant frequency, current mode step-down converter.

It is ideal for portable equipment requiring very high current up to 2A from single-cell Lithium-ion batteries while still achieving over 90% efficiency during peak load conditions.

Key Features

  • High Efficiency: Up to 96%.
  • 1.5MHz Constant Frequency Operation.
  • 2A Output Current.
  • No Schottky Diode Required.
  • 2.3V to 6V Input Voltage Range.
  • Output Voltage as Low as 0.6V.
  • PFM Mode for High Efficiency in Light Load.
  • 100% Duty Cycle in Dropout Operation.
  • Low Quiescent Current: 40μA.
  • Short Circuit Protection.
  • Thermal Fault Protection.
  • Inrush Current Limit and Soft Start.

📥 Download Datasheet

Datasheet Details

Part number MT3420SP
Manufacturer Aerosemi
File Size 322.86 KB
Description 2A Synchronous Step-Down Converter
Datasheet download datasheet MT3420SP Datasheet

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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
AEROSEMI MT3420SP CASC 2A,2.3V-6V Input,1.5MHz Synchronous Step-Down Converter FEATURES  High Efficiency: Up to 96%  1.5MHz Constant Frequency Operation  2A Output Current  No Schottky Diode Required  2.3V to 6V Input Voltage Range  Output Voltage as Low as 0.6V  PFM Mode for High Efficiency in Light Load  100% Duty Cycle in Dropout Operation  Low Quiescent Current: 40μA  Short Circuit Protection  Thermal Fault Protection  Inrush Current Limit and Soft Start  <1μA Shutdown Current  SOP8 package APPLICATIONS  Cellular and Smart Phones  Wireless and DSL Modems  PDAs  Portable Instruments  Digital Still and Video Cameras  PC Cards GENERAL DESCRIPTION The MT3420SP is a 1.5MHz constant frequency, current mode step-down converter.