SLVUA33A March   2014  – July 2021 TPS563900

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Background
    2. 1.2 Performance Specification Summary
    3. 1.3 Modifications
      1. 1.3.1 Output Voltage Setpoint
      2. 1.3.2 Slow-Start Time
      3. 1.3.3 Adjustable UVLO
  3. 2Test Setup and Results
    1. 2.1 Input/Output Connections
    2. 2.2 Efficiency
    3. 2.3 Output Voltage Load Regulation
    4. 2.4 Output Voltage Line Regulation
    5. 2.5 Load Transients
    6. 2.6 Loop Characteristics
    7. 2.7 Output Voltage Ripple
    8. 2.8 Powering Up
    9. 2.9 Shutting Down
  4. 3Board Layout
    1. 3.1 Layout
  5. 4Schematic and Bill of Materials
    1. 4.1 Schematic
    2. 4.2 Bill of Materials
    3. 4.3 Reference
  6. 5Revision History

Output Voltage Ripple

Figure 2-21, Figure 2-22, and Figure 2-23 show the TPS563900EVM-574 output voltage ripple. The output currents are as shown in the figures. VIN = 12 V. The ripple voltage is measured directly across the output capacitors.

GUID-FFC421C2-FE7F-4DF2-9800-F909B93E96C8-low.gifFigure 2-21 TPS563900EVM-574 Output Ripple for Light Loads in SKIP Mode
GUID-F5CCADE0-78D6-486C-A720-DB010BC401C0-low.gifFigure 2-22 TPS563900EVM-574 Output Ripple for No Load in CCM
GUID-587D7FC4-3C42-4801-8949-66554E451163-low.gifFigure 2-23 TPS563900EVM-574 Output Ripple for Full Load CCM