SLVT227 October   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Safety Considerations
    5. 1.5 Dimensions
    6. 1.6 Test Setup
  8. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
    5. 2.5 EMI
  9. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-up Sequence
    5. 3.5 Shut-down Sequence
  10. 4Static Regulation
  11. 5Transformer Details
    1. 5.1 Material List
    2. 5.2 Winding Details
    3. 5.3 Schematic
    4. 5.4 Winding Instructions
    5. 5.5 Details about Core and Air Gap and Bobbin
    6. 5.6 Bobbin Mechanical Details
  12.   Trademarks

3.2 Output Voltage Ripple

Output voltage ripple is shown in Figure 3-4 through Figure 3-8. C4: Output voltage, AC coupled, 20MHz bandwidth limit.

PMP31375 Output Voltage Ripple at Zero Load and 230VAC Figure 3-4 Output Voltage Ripple at Zero Load and 230VAC
PMP31375 Output Voltage Ripple at 1A Load and 230VAC Figure 3-5 Output Voltage Ripple at 1A Load and 230VAC
PMP31375 Output Voltage Ripple at 2A Load and 230VAC Figure 3-6 Output Voltage Ripple at 2A Load and 230VAC
PMP31375 Output Voltage Ripple at 3A Load and 230VAC Figure 3-7 Output Voltage Ripple at 3A Load and 230VAC
PMP31375 Output Voltage Ripple at 4A Load and 230VAC Figure 3-8 Output Voltage Ripple at 4A Load and 230VAC