TIDT419 January   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 Considerations
    4. 1.4 Dimensions
    5. 1.5 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Charge Time and Holdup Time
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Input and Output Voltage Ripple
      1. 3.2.1 Buck Converter
      2. 3.2.2 Boost Converter
    3. 3.3 Load Transients
    4. 3.4 Start-up Sequence

3.2.2 Boost Converter

Figure 3-5 shows the input ripple, boost converter waveform and Figure 3-6 shows the output ripple, boost converter waveform.
PMP23518 Input Ripple, Boost Converter, Measured 14.8mV at TP4 and TP5 (Supercapacitor Not Installed) Figure 3-5 Input Ripple, Boost Converter, Measured 14.8mV at TP4 and TP5 (Supercapacitor Not Installed)
PMP23518 Output Ripple, Boost Converter, Measured 18.0mV at J8 (Supercapacitor Not Installed) Figure 3-6 Output Ripple, Boost Converter, Measured 18.0mV at J8 (Supercapacitor Not Installed)