TIDT296 September   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Cross Regulation
    3. 2.3 Thermal Images
  6. 3Waveforms
    1. 3.1 Start-Up
    2. 3.2 Undervoltage Protection
    3. 3.3 Output Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Switching Node Waveforms
    6. 3.6 Short-Circuit Test
    7. 3.7 Diode Voltage Stress

Load Transients

Figure 3-8 through Figure 3-10 show the PMP40994 load transient waveforms.

GUID-20220815-SS0I-3GPW-KMJD-H60N3RF8JQQH-low.png Figure 3-8 +23-V Output Load Transient at 12-V Input From 0 mA to 80 mA
GUID-20220815-SS0I-TWXT-7TH4-JZW1JF8FNVH5-low.png Figure 3-9 +15-V Output Load Transient at 12-V Input From 0 mA to 80 mA
GUID-20220815-SS0I-4WQK-FVV2-BL3RFXWNM0GZ-low.png Figure 3-10 –8-V Output Load Transient at 12-V Input From 40 mA to 80 mA