TIDT421
November 2024
1
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Suggested Equipment
1.3
General Texas Instruments High Voltage Evaluation (TI HV EMV) User Safety Guidelines
2
Testing and Results
2.1
Efficiency Graphs
2.2
Power Factor (PF) and Input Current Total Harmonic Distortion (iTHD)
2.3
Efficiency, PF, and THD Data
2.4
Standby Power
2.5
Thermals
2.6
Bode Plots
3
Waveforms
3.1
Switching
3.2
Output Voltage Ripple
3.3
Load Transients
3.4
Start-Up Sequence
3.4
Start-Up Sequence
Figure 3-31
and
Figure 3-32
show start-up behavior.
Figure 3-31
115Vac Input, No Load
Figure 3-32
230Vac Input, No Load