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

Dynamic Response of the Backlight LLC

Dynamic response of the system LLC at different output voltages is shown in Figure 3-18 through Figure 3-20.

CH2: AC voltage of 12.5V, CH3: AC voltage of 25V, CH6: Output Current

PMP23488 Backlight LLC Dynamic Response;
            Vout = 18.28V, Output Load Between 1A to 10A Figure 3-18 Backlight LLC Dynamic Response; Vout = 18.28V, Output Load Between 1A to 10A
PMP23488 Backlight LLC Dynamic Response.
            Vout = 20V, Output Load Between 1A to 10A Figure 3-19 Backlight LLC Dynamic Response. Vout = 20V, Output Load Between 1A to 10A
PMP23488 Backlight LLC Dynamic Response;
            Vout = 22.5V, Output Load Between 1A to 10A Figure 3-20 Backlight LLC Dynamic Response; Vout = 22.5V, Output Load Between 1A to 10A