TIDT290 August   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence
    5. 3.5 Shutdown Sequence
    6. 3.6 Input Voltage Ripple

3.1 Switching

Switching behavior is shown in the following figures.

GUID-20220524-SS0I-SQR2-0QRT-WCD1F5VKNT56-low.jpg

Input voltage = 85 VAC

Output 1 = 12 V at 2.2 A

Output 2 = 3.3 V at 1.5 A

Figure 3-1 85-VAC Switch Node, Full Load
GUID-20220524-SS0I-XBLV-NQRV-F1MGFLPPT8GD-low.jpg

Input voltage = 265 VAC

Output 1 = 12 V at 2.2 A

Output 2 = 3.3 V at 1.5 A

Figure 3-2 265-VAC Switch Node, Full Load