TIDT403 August   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Performance
    4. 2.4 Bode Plots
    5. 2.5 Light Load Efficiency Optimization
    6. 2.6 Switching Frequency Choice
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Overcurrent Protection
    4. 3.4 Load Transients
    5. 3.5 Turn ON and OFF
  8. 4References
  9.   Trademarks

2.4 Bode Plots

Bode plot is shown in Figure 2-12. The test condition is 400Vin, 13.5Vout, 120A Iout, room temperature. As shown in Figure 2-12, the gain margin is -9.83dB. The phase margin is 77.46 degrees with 4.36kHz bandwidth.

PMP41078 Bode PlotFigure 2-12 Bode Plot