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

3.2.1 Buck Converter

Figure 3-3 shows the input ripple, buck converter waveform and Figure 3-4 shows the output ripple, buck converter waveform.

PMP23518 Input Ripple, Buck Converter, Measured 33.6mV at J1 Figure 3-3 Input Ripple, Buck Converter, Measured 33.6mV at J1
PMP23518 Output Ripple, Buck Converter, Measured 24.8mV at J4 Figure 3-4 Output Ripple, Buck Converter, Measured 24.8mV at J4