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

3.5 Shutdown Sequence

Shutdown behavior is shown in the following figures.

GUID-20220524-SS0I-M6Z9-7LWS-RBQ6QT3CFDXT-low.jpg

Input voltage = 85 VAC

Output 1 = 12 V at 2.2 A

Output 2 = 3.3 V at 1.5 A

Figure 3-11 85-VAC Input, Full-Load Shutdown
GUID-20220524-SS0I-WR0R-RWDV-ZGXSVFTV7LBX-low.jpg

Input voltage = 265 VAC

Output 1 = 12 V at 2.2 A

Output 2 = 3.3 V at 1.5 A

Figure 3-12 265-VAC Input, Full-Load Shutdown