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RY3420 - 1.2MHz 2A Synchronous Step-Down Regulator

Datasheet Summary

Description

architecture.

The device is available in an adjustable version.

Features

  • High Efficiency: Up to 96%.
  • 2.5V to 5.5V Input Voltage Range.
  • 1.2MHz Constant Frequency Operation.
  • No Schottky Diode Required.
  • Low Dropout Operation: 100% Duty Cycle.
  • PFM Mode for High Efficiency in Light Load.
  • Over Temperature Protected.
  • Low Quiescent Current: 40μA.
  • Short Circuit Protection.
  • Inrush Current Limit and Soft Start.
  • 2A Continuous Output Current.
  • SOT23-5 package RY3420 Appl.

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Datasheet preview – RY3420

Datasheet Details

Part number RY3420
Manufacturer ChipSourceTek
File Size 1.90 MB
Description 1.2MHz 2A Synchronous Step-Down Regulator
Datasheet download datasheet RY3420 Datasheet
Additional preview pages of the RY3420 datasheet.

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Full PDF Text Transcription

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RY3420 1.2MHz 2A Synchronous Step-Down Regulator RY3420 Features • High Efficiency: Up to 96% • 2.5V to 5.5V Input Voltage Range • 1.2MHz Constant Frequency Operation • No Schottky Diode Required • Low Dropout Operation: 100% Duty Cycle • PFM Mode for High Efficiency in Light Load • Over Temperature Protected • Low Quiescent Current: 40μA • Short Circuit Protection • Inrush Current Limit and Soft Start • 2A Continuous Output Current • SOT23-5 package RY3420 Applications • Cellular and Smart Phones • Portable Instruments • Wireless and DSL Modems • PDAs • Digital Still and Video Cameras • PC Cards RY3420 General Description k The RY3420 is a high-efficiency monolithic synchronous buck regulator using a constant frequency, current mode architecture.
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