SLUUAY7B May   2014  – August 2021 TPS544B20 , TPS544C20

 

  1. 1 Description
    1. 1.1 Typical Applications
    2. 1.2 Features
  2. 2 Electrical Performance Specifications
  3. 3 Schematic
  4. 4 Test Setup
    1. 4.1 Test and Configuration Software
      1. 4.1.1 Description
      2. 4.1.2 Features
    2. 4.2 Test Equipment
    3. 4.3 The PWR-634EVM
    4. 4.4 Test Set up and USB Interface Adapter
    5. 4.5 List of Test Points
  5. 5 EVM Configuration Using the Fusion GUI
    1. 5.1 Configuration Procedure
  6. 6 Test Procedure
    1. 6.1 Line/Load Regulation and Efficiency Measurement Procedure
    2. 6.2 Efficiency
    3. 6.3 Equipment Shutdown
  7. 7 Performance Data and Typical Characteristic Curves
    1. 7.1 Efficiency
    2. 7.2 Load Regulation
    3. 7.3 Transient Response
    4. 7.4 Output Ripple
  8. 8 Screen Shots
    1. 8.1 Fusion GUI Screen Shots
  9. 9 EVM Assembly Drawing and PCB Layout
  10. 10List of Materials
  11. 11Revision History

7.4 Output Ripple

GUID-A97FBB0F-0C54-4531-8D8D-BB68EFF0C307-low.gif
Ch1 = VOUT1 at 20-mV/division, Ch2 = SW Node at 10-V/division
Figure 7-5 Output Ripple and SW Node of 1-V Output at 12 VIN, 1-A Output
GUID-7C4F0442-E83D-4700-8DB5-54D42A335690-low.gif
Ch1 = VOUT1 at 20-mV/division, Ch2 = SW Node at 10-V/division
Figure 7-6 Output Ripple and SW Node of 1-V Output at 12 VIN, 20-A Output
GUID-93571A87-91E7-410E-9F78-D8BD2FEC617D-low.gif
Ch1 = VOUT2 at 20-mV/division, Ch2 = SW Node at 10-V/division
Figure 7-7 Start up from Control 1-V Output at 12 VIN, 20-A Output
GUID-6E3B9794-870C-4E1B-97CB-5B3C743086EA-low.gif
Ch1 = VOUT2 at 20-mV/division, Ch2 = SW Node at 10-V/division
Figure 7-8 Shutdown from Control and SW Node of 1-V Output at 12 VIN, 20-A Output
GUID-BB9310B9-7A11-4D01-8D0F-215000E8CD10-low.gifFigure 7-9 50% PreBias Start (No Load)