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LM3673 - 350-mA Step-Down DC-DC Converter

Datasheet Summary

Description

The LM3673 step-down DC-DC converter is optimized for powering low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.7 V to 5.5 V.

It provides up to 350-mA load current over the entire input voltage range.

Features

  • 1 16-µA Typical Quiescent Current.
  • 350-mA Maximum Load Capability.
  • 2-MHz PWM Fixed Switching Frequency (Typical).
  • Automatic PFM/PWM Mode Switching.
  • Available in Fixed and Adjustable Output Voltages.
  • Internal Synchronous Rectification for High Efficiency.
  • Internal Soft Start.
  • 0.01-µA Typical Shutdown Current.
  • Operates From a Single Li-Ion Cell Battery.
  • Current Overload and Thermal Shutdown Protection.

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Datasheet preview – LM3673

Datasheet Details

Part number LM3673
Manufacturer Texas Instruments
File Size 4.87 MB
Description 350-mA Step-Down DC-DC Converter
Datasheet download datasheet LM3673 Datasheet
Additional preview pages of the LM3673 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LM3673 SNVS434M – JULY 2006 – REVISED NOVEMBER 2016 LM3673 2-MHz, 350-mA Step-Down DC-DC Converter 1 Features •1 16-µA Typical Quiescent Current • 350-mA Maximum Load Capability • 2-MHz PWM Fixed Switching Frequency (Typical) • Automatic PFM/PWM Mode Switching • Available in Fixed and Adjustable Output Voltages • Internal Synchronous Rectification for High Efficiency • Internal Soft Start • 0.
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