SLVT249 May   2026

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6.   6
  7. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Safety Warning
    3. 1.3 Dimensions
    4. 1.4 Test Setup
  8. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
      1. 2.3.1 PFC Stage
      2. 2.3.2 Thermal Image of System LLC Stage
      3. 2.3.3 Thermal Image of Backlight LLC Stage
    4. 2.4 PF Value
  9. 3Waveforms
    1. 3.1 Switching
      1. 3.1.1 PFC Switching waveform
      2. 3.1.2 System LLC Switching Waveform
      3. 3.1.3 Backlight Switching Waveform
    2. 3.2 Output Voltage Ripple
      1. 3.2.1 System LLC Output Ripple
      2. 3.2.2 Backlight LLC Output Ripple
    3. 3.3 Dynamic Response
      1. 3.3.1 Dynamic Response of the System LLC
      2. 3.3.2 Dynamic Response of the Backlight LLC
  10.   Trademarks

3.2.1 System LLC Output Ripple

Output ripple of System LLC is shown in Figure 3-12. The ripple is measured at 12.5V-6A and 25V-1.125A load current

CH2 is the ripple of 12.5V and CH3 is the ripple of 25V.

PMP23488 Output Voltage Ripple, 12.5V Ripple is 82.56V and 25V Ripple is 42.48V Figure 3-12 Output Voltage Ripple, 12.5V Ripple is 82.56V and 25V Ripple is 42.48V