SLUU297B December   2007  – January 2022 TPS40195

 

  1.   Trademarks
  2. 1 Introduction
  3. 2 Description
    1. 2.1 Applications
    2. 2.2 Features
  4. 3 TPS40195EVM Electrical Performance Specifications
  5. 4 Schematic
    1. 4.1 Test Points
  6. 5 Test Setup
    1. 5.1 Equipment
      1. 5.1.1 Voltage Source
      2. 5.1.2 Meters
      3. 5.1.3 Loads
      4. 5.1.4 Oscilloscope
      5. 5.1.5 Signal Generator
      6. 5.1.6 Recommended Wire Gauge
      7. 5.1.7 Other
    2. 5.2 Equipment Setup
  7. 6 Test Procedure
    1. 6.1 Line and Load Regulation
    2. 6.2 Output Ripple Measurement (TP5, TP13)
    3. 6.3 Loop Analysis (TP7, TP8, TP10)
    4. 6.4 Disable (TP11) and Power Good (TP9)
    5. 6.5 Switch Node (TP4) and SYNC (TP12)
    6. 6.6 Equipment Shutdown
  8. 7 TPS40195EVM Typical Performance Data and Characteristic Curves
    1. 7.1 Line and Load Regulation
    2. 7.2 Efficiency
    3. 7.3 Output Voltage Ripple
    4. 7.4 Transient Response
    5. 7.5 Bode Plots
    6. 7.6 Test Point Waveforms
  9. 8 EVM Assembly Drawings and Layout
  10. 9 List of Materials
  11. 10Revision History

7.6 Test Point Waveforms

GUID-307EEF09-B153-479D-A641-115AF9D71048-low.gifFigure 7-8 TPS40195EVM Disable and Power Good, VIN = 12 V, IOUT = 10 A, Ch1: TP1 (VIN), Ch2: TP5 (VOUT), Ch3: TP11 (ENABLE); Ch4: TP9 (Power Good)
GUID-CC29554C-5681-4560-A5F3-DCC8500F56FB-low.gifFigure 7-10 TPS40195EVM Switching Waveform (Ch1: TP4) and Synchronization (Ch2: TP12) VIN = 12 V, IOUT = 10 A, fSYNC = 400 kHz
GUID-97492852-8CD2-4790-94DE-CC28E4450709-low.gifFigure 7-9 TPS40195EVM Enable and Power Good, VIN = 12 V, IOUT = 10 A, Ch1: TP1 (VIN), Ch2: TP5 (VOUT), Ch3: TP11 (ENABLE); Ch4: TP9 (Power Good)