TIDT296
September 2022
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Required Equipment
2
Testing and Results
2.1
Efficiency Graphs
2.2
Cross Regulation
2.3
Thermal Images
3
Waveforms
3.1
Start-Up
3.2
Undervoltage Protection
3.3
Output Voltage Ripple
3.4
Load Transients
3.5
Switching Node Waveforms
3.6
Short-Circuit Test
3.7
Diode Voltage Stress
3.2
Undervoltage Protection
The following images illustrate the PMP40994 power-off waveforms.
Figure 3-3
Two-Channel Power-Off Waveform of +23-V Output With V
IN
= 12 V, I
OUT1
= 80 mA,
I
OUT2
= 80 mA
Figure 3-4
V
OUT1
Channel Power-Off Waveform of +15-V, 8-V Output With V
IN
= 12 V, I
OUT1
= 80 mA,
I
OUT2
= 80 mA