TIDT296 September   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Cross Regulation
    3. 2.3 Thermal Images
  6. 3Waveforms
    1. 3.1 Start-Up
    2. 3.2 Undervoltage Protection
    3. 3.3 Output Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Switching Node Waveforms
    6. 3.6 Short-Circuit Test
    7. 3.7 Diode Voltage Stress

2.2 Cross Regulation

Figure 2-2 and Figure 2-3 illustrate the PMP40994 cross-regulation graphs.

GUID-20220817-SS0I-DFQJ-LDPJ-JT3TL9JQ7PJQ-low.png Figure 2-2 Isolated VOUT1 and VOUT2 Regulation With Same Percentage Current (Vout1)
GUID-20220817-SS0I-FFF7-NWXZ-RH2SN6DHGZFQ-low.png Figure 2-3 Isolated VOUT1 and VOUT2 Regulation With Same Percentage Current (Vout2)