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
1.2
Suggested Equipment
Multimeter (current): Fluke 287C
Multimeter (voltage): Fluke 287C
AC Source: Kikusui PCR2000LA
E-Load: Chroma 63206A-1200-240
Oscilloscope: Tektronix MDO34