• Part: LM3679
  • Description: 350mA Miniature Step-Down DC-DC Converter
  • Manufacturer: Texas Instruments
  • Size: 5.67 MB
LM3679 Datasheet (PDF) Download
Texas Instruments
LM3679

Overview

The LM3679 step-down DC-DC converter is optimized for powering ultra-low voltage circuits from a single Li-Ion cell battery and input voltage rails from 2.5V to 5.5V. It provides up to 350mA load current, over the entire input voltage range.

  • 2 16 µA Typical Quiescent Current
  • 350 mA Maximum Load Capability
  • 3 MHz PWM Fixed Switching Frequency (typ)
  • Automatic PFM/PWM Mode Switching
  • Available in 5-Bump DSBGA YZR Package and YPD Package
  • 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