SLVT230 November   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
  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, Air Gap and Bobbin
    6. 5.6 Bobbin Mechanical Details
  12.   Trademarks

2.4 Bode Plots

Bode plots are shown in Figure 2-7 through Figure 2-10. The table recaps all relevant parameters read on the plots. The electronic load is set to 4A in constant current mode.

Table 2-9 Bode Plot Main Parameters
Input DC Voltage (V) Output Voltage (V) Crossover Frequency (kHz) Phase Margin (degrees) Gain Margin (dB)
162 9 4.461 63.47 14.05
325 9 4.261 65.5 16.19
162 16 4.731 66.86 14.24
325 16 4.610 62.5 15.44
162 24 1.825 81.01 22.12
325 24 1.911 86.76 21.24
162 26.5 1.694 80.81 23.16
325 26.5 1.488 84.52 22.94
PMP31376 Bode Plot of the Converter with the Output Voltage Set to 9V Figure 2-7 Bode Plot of the Converter with the Output Voltage Set to 9V
PMP31376 Bode Plot of the Converter with the Output Voltage Set to 16V Figure 2-8 Bode Plot of the Converter with the Output Voltage Set to 16V
PMP31376 Bode Plot of the Converter with the Output Voltage Set to 24V Figure 2-9 Bode Plot of the Converter with the Output Voltage Set to 24V
PMP31376 Bode Plot of the Converter with the Output Voltage Set to 26.5V Figure 2-10 Bode Plot of the Converter with the Output Voltage Set to 26.5V