SLVT253 July   2026

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Safety Considerations
    5. 1.5 Dimensions
    6. 1.6 Test Setup
  7. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plot
  8. 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 Shut-down Sequence
    6. 3.6 AC Waveforms
  9. 4Static Regulation
  10.   Trademarks

3.5 Shut-down Sequence

AC input source turns off while the converter runs.

C1: PFC output voltage, C2: LLC stage output voltage, C3: battery charging current, C4: battery voltage

PMP31276 Shutdown and Battery Backup at 115VAC, VBAT = 22V, ISYS = 8A Figure 3-10 Shutdown and Battery Backup at 115VAC, VBAT = 22V, ISYS = 8A