TIDT445 May   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1System Description
    1. 1.1 Key System Specifications
  8. 2System Overview
    1. 2.1 Block Diagram
    2. 2.2 Design Considerations
      1. 2.2.1 Load Transient Test Circuit
    3. 2.3 Highlighted Products
      1. 2.3.1 LM5137F-Q1 Overview
  9. 3Hardware, Software, Testing Requirements, and Test Results
    1. 3.1 Hardware Requirements
    2. 3.2 Test Setup
    3. 3.3 Test Results
      1. 3.3.1 Efficiency Data
      2. 3.3.2 Efficiency Graphs
      3. 3.3.3 Output Voltage Ripple
      4. 3.3.4 Thermal Images
      5. 3.3.5 Bode Plots
      6. 3.3.6 Load Transients
  10. 4Design and Documentation Support
    1. 4.1 Design Files
      1. 4.1.1 Schematics
      2. 4.1.2 BOM
      3. 4.1.3 Altium Project
      4. 4.1.4 Gerber Files
      5. 4.1.5 Assembly Drawings
    2. 4.2 Documentation Support
    3. 4.3 Support Resources
    4. 4.4 Trademarks
  11. 5About the Author

3.3.3 Output Voltage Ripple

Output voltage ripple is shown in Figure 3-3 through Figure 3-11. Test condition is room temperature, no air flow.

PMP41158 Output Voltage Ripple at 8Vin, 4.5Vout, 0AFigure 3-3 Output Voltage Ripple at 8Vin, 4.5Vout, 0A
PMP41158 Output Voltage Ripple at 8Vin, 4.5Vout, 42AFigure 3-5 Output Voltage Ripple at 8Vin, 4.5Vout, 42A
PMP41158 Output Voltage Ripple at 13.5Vin, 4.5Vout, 21AFigure 3-7 Output Voltage Ripple at 13.5Vin, 4.5Vout, 21A
PMP41158 Output Voltage Ripple at 18Vin, 4.5Vout, 0AFigure 3-9 Output Voltage Ripple at 18Vin, 4.5Vout, 0A
PMP41158 Output Voltage Ripple at 18Vin, 4.5Vout, 42AFigure 3-11 Output Voltage Ripple at 18Vin, 4.5Vout, 42A
PMP41158 Output Voltage Ripple at 8Vin, 4.5Vout, 21AFigure 3-4 Output Voltage Ripple at 8Vin, 4.5Vout, 21A
PMP41158 Output Voltage Ripple at 13.5Vin, 4.5Vout, 0AFigure 3-6 Output Voltage Ripple at 13.5Vin, 4.5Vout, 0A
PMP41158 Output Voltage Ripple at 13.5Vin, 4.5Vout, 42AFigure 3-8 Output Voltage Ripple at 13.5Vin, 4.5Vout, 42A
PMP41158 Output Voltage Ripple at 18Vin, 4.5Vout, 21AFigure 3-10 Output Voltage Ripple at 18Vin, 4.5Vout, 21A