TIDT398 February   2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
    5. 1.5 Test Setup
  6. 2Testing and Results
    1. 2.1 Efficiency and Loss Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Bode Plots
    5. 2.5 Conducted Emissions (CISPR 25) Pre-Compliance Scans
  7. 3Waveforms
    1. 3.1 Output Voltage Ripple
    2. 3.2 Load Transients
    3. 3.3 Start-Up Sequence

3.3 Start-Up Sequence

Start-up behavior is shown in Figure 3-5.

PMP23452 Start-Up From Enable Going High, 48Vin Diode Emulation Mode, 100mA Load on Each Output (Css1 and Css2 Each 220nF)Figure 3-5 Start-Up From Enable Going High, 48Vin Diode Emulation Mode, 100mA Load on Each Output (Css1 and Css2 Each 220nF)