TIDT287 August   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence
    5. 3.5 Output Voltage Step

3.5 Output Voltage Step

The following images illustrate the PMP23123 output voltage step waveforms.

Tie J3 pin 1 and J4 pin 1 together. Short and open the J3 and J4 pin, 1. 24-V input. A 2.5-A load is at both the 19-V and 40-V output.

GUID-20220815-SS0I-60TB-JFKM-DSN5TMCSCPWX-low.pngFigure 3-27 19-V to 40-V Output Voltage Transition, 10 V/div, 2 ms/div
GUID-20220815-SS0I-KXTX-KCH5-1JXMSMSSKC0Q-low.pngFigure 3-28 40-V to 19-V Output Voltage Transition. 10 V/div, 2 ms/div