SNVU191B October   2012  – December 2021 LMR12020

 

  1.   Trademarks
  2. 1Introduction
  3. 2Features
  4. 3Evaluation Module Schematic
  5. 4Powering and Loading Considerations
    1. 4.1 Quick Start Procedure
    2. 4.2 Starting Up
    3. 4.3 Synchronization
    4. 4.4 No Load Start-Up at High Output Voltage
    5. 4.5 Adjusting the Output Voltage
    6. 4.6 Typical Test Setup
  6. 5Board Images
  7. 6Performance Characteristics
  8. 7Bill of Materials
  9. 8PCB Layout
  10. 9Revision History

Performance Characteristics

GUID-2BCDE373-D6B9-43D0-9F54-EDD3C41E0E5C-low.gifFigure 6-1 Efficiency vs. Load Current LMR12020 VOUT = 5 V
GUID-032F09EA-0133-41CB-9AB6-A0622446408C-low.gifFigure 6-3 Load Transient Waveforms LMR12020, VOUT = 5 V, VIN = 12 V, IOUT = 200 mA to 2 A
GUID-BF050215-DDDA-44DC-B509-BC6DAEE1C4BB-low.gifFigure 6-5 Start-Up Waveform, VOUT = 3.3 V
GUID-E2B8BB12-5468-4E8F-9E5B-F4AC036CCE9D-low.gifFigure 6-7 Switching Node and Output Voltage Waveforms VIN = 12 V, IOUT = 2 A
GUID-1762D1AA-CEC1-4353-9ED9-B5ED10947101-low.gifFigure 6-2 Efficiency vs. Load Current LMR12020 VOUT = 3.3 V
GUID-7DBC71B1-86A4-479A-97FE-692658E872E8-low.gifFigure 6-4 Load Transient Waveforms LMR12020, VOUT = 3.3 V, VIN = 12 V, IOUT = 200 mA to 2 A
GUID-AFC8314B-653D-45EB-B2ED-DA41E4F2850C-low.gifFigure 6-6 Start-Up Waveform, VOUT = 5 V