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LM3673 Datasheet 350-ma Step-down DC-dc Converter

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & munity LM3673 SNVS434M – JULY 2006 – REVISED NOVEMBER 2016 LM3673 2-MHz, 350-mA Step-Down DC-DC Converter.

General 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.

There are several different fixed voltage output options available, as well as an adjustable output voltage version ranging from 1.1 V to 3.3 V.

Key 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.

LM3673 from other manufacturers

See all manufacturers

Brand Logo Part Number Description Other Manufacturers
National Semiconductor Logo LM3673 step-down DC-DC converter National Semiconductor

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