TIDT408A December   2024  – May 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 Voltage Regulation
    3. 2.3 No Load Power Consumption
    4. 2.4 Efficiency Data
    5. 2.5 Thermal Images
    6. 2.6 EMI
  7. 3Waveforms
    1. 3.1 Start-Up and Shut Down Waveforms
    2. 3.2 Voltage Transition
    3. 3.3 Switching Waveform
      1. 3.3.1 Voltage Stress at Normal Operation
      2. 3.3.2 Voltage Stress at Start-Up
      3. 3.3.3 VCC Self-Bias Voltage
      4. 3.3.4 X Cap Discharge
    4. 3.4 Ripple and Noise
    5. 3.5 Load Transients
    6. 3.6 Overcurrent Protection
    7. 3.7 Short-Circuit Protection
    8. 3.8 Overvoltage Protection at AC-DC Output

Ripple and Noise

Figure 3-38 through Figure 3-51 show the ripple and noise at full load, 50%, open load at 5V, 9V, 15V, and 20V conditions.

PMP41117 5V, Open LoadFigure 3-40 5V, Open Load
PMP41117 5V, 100% Load, 3AFigure 3-42 5V, 100% Load, 3A
PMP41117 9V,
                                                  50% Load, 1.5AFigure 3-44 9V, 50% Load, 1.5A
PMP41117 15V, Open LoadFigure 3-46 15V, Open Load
PMP41117 15V, 100% Load, 3AFigure 3-48 15V, 100% Load, 3A
PMP41117 20V, 50% Load, 1.5AFigure 3-50 20V, 50% Load, 1.5A
PMP41117 5V, 50% Load, 1.5AFigure 3-41 5V, 50% Load, 1.5A
PMP41117 9V,
                                                  Open LoadFigure 3-43 9V, Open Load
PMP41117 9V,
                                                  100% Load, 3AFigure 3-45 9V, 100% Load, 3A
PMP41117 15V, 50% Load, 1.5AFigure 3-47 15V, 50% Load, 1.5A
PMP41117 20V, Open LoadFigure 3-49 20V, Open Load
PMP41117 20V, 100% Load, 3AFigure 3-51 20V, 100% Load, 3A