SLUUBH3A November   2016  – February 2022 TPS546C20A

 

  1.   Trademarks
  2. 1 Description
    1. 1.1 Before You Begin
    2. 1.2 Typical Applications
    3. 1.3 Features
  3. 2 Electrical Performance Specifications
  4. 3 Schematic
  5. 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
      1. 4.2.1 Voltage Source
      2. 4.2.2 Multimeters
      3. 4.2.3 Output Load
      4. 4.2.4 Oscilloscope
      5. 4.2.5 Fan
      6. 4.2.6 USB-to-GPIO Interface Adapter:
      7. 4.2.7 Recommended Wire Gauge
    3. 4.3 Recommended Test Setup
    4. 4.4 List of Test Points, Jumpers and Connectors
  6. 5 EVM Configuration Using the Fusion GUI
    1. 5.1 Configuration Procedure
  7. 6 Test Procedure
    1. 6.1 Line and Load Regulation and Efficiency Measurement Procedure
    2. 6.2 Control Loop Gain and Phase Measurement Procedure
    3. 6.3 Efficiency Measurement
  8. 7 Performance Data and Typical Characteristic Curves
    1. 7.1  Efficiency
    2. 7.2  Load Regulation
    3. 7.3  Line Regulation
    4. 7.4  Transient Response
    5. 7.5  Output Ripple
    6. 7.6  Control On
    7. 7.7  Control Off
    8. 7.8  Current Sharing Between Two Phases
    9. 7.9  Control Loop Bode Plot
    10. 7.10 Thermal Image
  9. 8 EVM Assembly Drawing and PCB Layout
  10. 9 Bill of Materials
  11. 10Screenshots
    1. 10.1 Fusion GUI Screenshots
  12. 11Revision History

7.5 Output Ripple

GUID-D174917B-CA02-4C83-9CCD-25A198FD9D5A-low.png
Ch1 = VSW1 at 5 V/division, Ch2 = VSW2 at 5 V/division, Ch3 = VOUT (AC coupled, measured at U1 side) ripple at 10 mV/division, Ch4 = VOUT (AC coupled, measured at U2 side) ripple at 10 mV/division
Figure 7-5 Output Ripple and SW Node of 0.9-V Output at 12 VIN, 0-A Output
GUID-F272FE8F-DE31-4324-85A8-72517241BDA6-low.png
Ch1 = VSW1 at 5 V/division, Ch2 = VSW2 at 5 V/division, Ch3 = VOUT (AC coupled, measured at U1 side) ripple at 10 mV/division, Ch4 = VOUT (AC coupled, measured at U2 side) ripple at 10 mV/division
Figure 7-6 Output Ripple and SW Node of 0.9-V Output at 12 VIN, 70-A Output