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

Bode Plots

Bode plot is shown in Figure 2-3. Crossover frequency at 230VAC, 3A load is 1.861 kHz, phase margin 67.33 deg. and gain margin 11.75dB. The remaining two measurements are associated to 1A and 2A load.

PMP31375 Bode Plot of the Converter. Dashed
          Line Refers to 230VAC and 3A Load Figure 2-3 Bode Plot of the Converter. Dashed Line Refers to 230VAC and 3A Load