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

3.2.2 Backlight LLC Output Ripple

Output ripple of backlight LLC is shown in Figure 3-13 through Figure 3-15.

CH2 is output ripple and CH6 is output current.

PMP23488 Output Voltage at 18.28V-10A; The Output Ripple is About 30mV Figure 3-13 Output Voltage at 18.28V-10A; The Output Ripple is About 30mV
PMP23488 Output Voltage Ripple at 20V-10A; The Output Ripple is 69mV Figure 3-14 Output Voltage Ripple at 20V-10A; The Output Ripple is 69mV
PMP23488 Output Voltage Ripple at 22.5V-10A. Output Ripple is 227.7mV Figure 3-15 Output Voltage Ripple at 22.5V-10A. Output Ripple is 227.7mV