TIDT291
June 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
Efficiency Data
2.3
Thermal Images
2.4
Bode Plots
3
Waveforms
3.1
Switching
3.2
Output Voltage Ripple
3.3
Load Transients
3.4
Start-Up Sequence
3.1
Switching
Switching behavior is shown in the following figures.
Figure 3-1
SW Node - Primary FET (Q3): 10-V Input, 1.2-A Output
Figure 3-2
Primary FET (Q3): 24-V Input, 1.2-A Output
Figure 3-3
SW Node - Primary FET (Q3): 28.8-V Input, 1.2-A Output
Figure 3-4
Diode (D2): 10-V Input, 1.2-A Output
Figure 3-5
Diode (D2): 24-V Input, 1.2-A Output
Figure 3-6
Diode (D2): 28.8-V Input, 1.2-A Output
Figure 3-7
SW Pin - Buck (U6): 24-V Input, 1.63-A Output