SNVU770 June   2021 LM5157 , LM5157-Q1 , LM51571-Q1

 

  1.   Trademarks
  2. 1Introduction
  3. 2Electrical Parameters
  4. 3Application Schematic
  5. 4EVM Picture
  6. 5Test Setup and Procedure
    1. 5.1 EVM Test Setup Schematic
    2. 5.2 Test Equipment
  7. 6Test Data and Performance Curves
    1. 6.1 Efficiency
    2. 6.2 Output Regulation and Cross-Regulations
    3. 6.3 Steady-State Waveforms
    4. 6.4 Start-Up Waveforms
    5. 6.5 Dynamic Responses
    6. 6.6 Short-Circuit Protection
    7. 6.7 Bode Plots
    8. 6.8 Thermal Image
  8. 7Schematic
  9. 8Bill of Materials
  10. 9EVM Layout

Dynamic Responses

GUID-20210317-CA0I-VL9S-H7SD-QP0DG7TFH1ZW-low.pngFigure 6-19 Vo1 Response Under Step Load Between 125 mA and 250 mA, VIN = 12 V, Io2–4 = 10%
GUID-20210317-CA0I-P57D-3L42-CKKQNBF7ZHBR-low.pngFigure 6-21 Vo4 Response Under Step Load Between 100 mA and 150 mA, VIN = 12 V, Io1–3 = 10%
GUID-20210317-CA0I-11WK-0NPT-QC8HQBPFS6PH-low.pngFigure 6-23 Vo1 Response Under Input Change From 16 V to 8 V, 10% Load
GUID-20210317-CA0I-8GC5-TRWN-Z2TPHMBTWXJ3-low.pngFigure 6-20 Vo1 Response Under Step Load Between 1 mA to 250 mA, VIN = 12 V, Io2–4 = 10%
GUID-20210317-CA0I-SQLH-TP07-VGH1W5K7DHCM-low.pngFigure 6-22 Vo1 Response Under Input Change From 8 V to 16 V, 10% Load