SLVUBJ0B January   2019  – June 2021 TPS56C230

 

  1.   Trademarks
  2. 1Introduction
  3. 2Performance Specification Summary
  4. 3Modifications
    1. 3.1 Output Voltage Setpoint
    2. 3.2 Mode Selection
  5. 4Test Setup and Results
    1. 4.1  Input/Output Connections
    2. 4.2  Efficiency
    3. 4.3  Output Voltage Load Regulation
    4. 4.4  Output Voltage Line Regulation
    5. 4.5  Load Transient Response
    6. 4.6  Output Voltage Ripple
    7. 4.7  Input Voltage Ripple
    8. 4.8  Loop Characteristics
    9. 4.9  Start-Up
    10. 4.10 Shut-Down
  6. 5Board Layout
    1. 5.1 Layout
  7. 6Schematic, List of Materials, and Reference
    1. 6.1 Schematic
    2. 6.2 List of Materials
  8. 7Revision History

4.7 Input Voltage Ripple

Figure 4-9, Figure 4-10 and Figure 4-11 show the TPS56C230EVM input voltage ripple at 500 kHz Eco-mode. The load currents are 10 mA, 800 mA and 12 A. The ripple voltage is measured directly across TP3 and TP8.

GUID-72D48A16-B9E7-4932-92B1-A3A89A020F7B-low.gifFigure 4-9 TPS56C230EVM Input Ripple, 10-mA Load
GUID-15177976-3739-44EF-870B-F35FA6F0F1DC-low.gifFigure 4-10 TPS56C230EVM Input Ripple, 800-mA Load
GUID-9AEAA82D-5BCF-4C8B-BCC4-1D7C377B04DA-low.gifFigure 4-11 TPS56C230EVM Input Ripple, 12-A Load