TIDT434 February   2025

 

  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 Dimensions
    4. 1.4 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Short-Circuit Protection
    4. 3.4 Load Transients
    5. 3.5 Start-up Sequence

2.4 Bode Plots

The feedback loop frequency response was measured with a 10A load at various input voltage conditions and is shown in Figure 2-6 through Figure 2-8.

Table 2-5 Feedback Loop Frequency Response
ConditionUnity Gain Bandwidth (kHz)Phase Margin (°)Gain Margin (dB)
50VIN, 10A load14.76528.97
100VIN, 10A load22.56723.98
150VIN, 10A load31.96619.57
PMP23552 Bode Plot, 50VIN, 10A LoadFigure 2-6 Bode Plot, 50VIN, 10A Load
PMP23552 Bode Plot, 100VIN, 10A LoadFigure 2-7 Bode Plot, 100VIN, 10A Load
PMP23552 Bode Plot, 150VIN, 10A LoadFigure 2-8 Bode Plot, 150VIN, 10A Load