SNVU543A November   2016  – December 2016 LM5170 , LM5170-Q1

 

  1.   LM5170-Q1 EVM User Guide
    1.     Trademarks
    2. 1 Features and Electrical Performance
    3. 2 Setup
      1. 2.1 EVM Configurations
      2. 2.2 Bench Setup
      3. 2.3 Test Equipment
    4. 3 Test Procedure
      1. 3.1 Buck Mode Power-Up and Power-Down Sequence
      2. 3.2 Boost Mode Power-Up and Power-Down Sequence
      3. 3.3 Bidirectional Operation Power-Up and Power-Down Sequence
      4. 3.4 Operating the EVM With the Onboard Analog Loop Control Circuit
      5. 3.5 Operating the EVM With External MCU or Other Digital Circuit
    5. 4 Test Data
      1. 4.1  Efficiency
      2. 4.2  Current Regulation and Monitoring
      3. 4.3  Typical Master Enable Power Up and Shutdown
      4. 4.4  Channel Enable and Disable
      5. 4.5  Dual-Channel Interleaving Operation
      6. 4.6  ISETA Tracking
      7. 4.7  Diode Emulation Preventing Negative Currents
      8. 4.8  Dynamic DIR Change
      9. 4.9  Step Load Response
      10. 4.10 OVP
      11. 4.11 Output Short Circuit
    6. 5 Design Files
      1. 5.1 Schematics
      2. 5.2 Bill of Materials
      3. 5.3 Board Layout
  2.   Revision History

Diode Emulation Preventing Negative Currents

waveform_09_diode_emulation_during_startup_snvu543.pngFigure 18. Diode Emulation During Start-Up

waveform_11_diode_emulation_in_dcm_snvu543.pngFigure 20. Diode Emulation in DCM

waveform_10_diode_emulation_during_shutdown_snvu543.pngFigure 19. Diode Emulation During Shutdown