TIDT373
December 2023
1
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Dimensions
2
Testing and Results
2.1
Efficiency
2.2
Standby Power
2.3
Load Regulation
2.4
Line Regulation
2.5
Thermal Images
2.5.1
43 VAC Input Voltage
2.5.2
274 VAC Input Voltage
2.6
Bode Plots
3
Waveforms
3.1
Switch Node Voltage
3.1.1
40 VDC Input Voltage
3.1.1.1
No Load
3.1.1.2
100-mA Load Current
3.1.1.3
1-A Load Current
3.1.2
630-VDC Input Voltage
3.1.2.1
No Load
3.1.2.2
500-mA Load Current
3.1.2.3
1-A Load Current
3.2
Output Voltage Ripple
3.2.1
40-VDC Input Voltage
3.2.2
325-VDC Input Voltage
3.2.3
630 VDC Input Voltage
3.3
Input Voltage Ripple
3.4
Load Transients
3.4.1
40-VDC Input Voltage
3.4.2
325-VDC Input Voltage
3.4.3
630-VDC Input Voltage
3.5
Start-Up Sequence
3.5.1
With Load
3.5.1.1
43-VAC Input Voltage
3.5.1.2
630-VDC Input Voltage
3.5.2
Without Load
3.5.2.1
40-VDC Input Voltage
3.5.2.2
630-VDC Input Voltage
3.5.1.2
630-V
DC
Input Voltage
Figure 3-18
Start-up With 630-V
DC
Input Voltage; 1-A Load Current