SNVA427C January   2010  – December 2021 LMZ12003

 

  1.   Trademarks
  2. 1 Description
  3. 2 Packaging Highlights
  4. 3 Demo Board Features
  5. 4 Typical Applications
  6. 5 Demo Board Schematic
  7. 6 Demo Board Bill of Materials (BOM)
  8. 7 Demo Board Hookup
  9. 8 Demo Board Passive Components
  10. 9 Performance Characteristics
  11. 10Revision History

1 Description

The LMZ12003 SIMPLE SWITCHER power module is a complete, easy to use, step-down DC-DC solution capable of driving up to 3-A load. The LMZ12003 is available in an innovative, easy-to-use package that enhances thermal performance and allows for hand or machine soldering.

The LMZ12003 demo board can accept an input voltage rail between 4.5 V and 20 V and deliver an adjustable and highly accurate output voltage as low as 0.8 V. The LMZ12003 only requires three external resistors and four external capacitors to complete the power solution. The LMZ12003 is a reliable and robust solution with the following protection features:

  • Thermal shutdown
  • Input under-voltage lockout (UVLO)
  • Output over-voltage protection (OVP)
  • Short-circuit protection
  • Output current limit
  • Allows start-up into a pre-biased output
A single resistor adjusts switching frequency up to 1 MHz.