TIDT374
March 2024
1
Description
Features
Applications
1
Test Prerequisites
1.1
Voltage and Current Requirements
1.2
Dimensions
2
Testing and Results
2.1
Efficiency Graphs
2.2
Thermal Images
Top Side, 150VAC Input Voltage
Bottom Side, 150VAC Input Voltage
Top Side, 254VAC Input Voltage
2.3
Bode Plot
2.4
Electromagnetic Interference (EMI) Measurement
3
Waveforms
3.1
Switching
3.1.1
150VAC Input Voltage
3.1.2
254VAC Input Voltage
3.2
Output Voltage Ripple
3.2.1
Output 1 (8V)
3.2.2
Output 2 (18V)
3.2.3
Output 3 (24V)
3.3
Input Voltage Ripple
3.4
Load Transient Output 3 (24V)
3.5
Start-Up
3.5.1
150VAC Input Voltage
3.5.2
253VAC Input Voltage
3.6
Shutdown
3.6.1
150VAC Input Voltage
3.6.2
253VAC Input Voltage
Top Side, 150V
AC
Input Voltage
Figure 2-3
Top Side Thermal Image (150V
AC
)
Name
Temperature
Transformer T1
71.6°C
Metal-Oxide Semiconductor Field-Effect Transistor (MOSFET) Q1
65.4°C
Snubber D8
65.3°C
Diode D9
60.4°C
Diode D1
55.3°C
Diode D6
50.9°C