TIDT238 July   2021

 

  1. 1Description
  2. 2Test Prerequisites
    1. 2.1 Voltage and Current Requirements
    2. 2.2 Considerations
    3. 2.3 Dimensions
  3. 3Testing and Results
    1. 3.1 Efficiency Graphs
    2. 3.2 Efficiency Data
    3. 3.3 Thermal Images
    4. 3.4 EMI
  4. 4Waveforms
    1. 4.1 Switching
    2. 4.2 Output Voltage Ripple
    3. 4.3 Load Transients
    4. 4.4 Start-up Sequence

4.1 Switching

Switching behavior was measured across D3.

The max stress seen by the free-wheeling diode is 202-VDC with a 120-VAC input.

GUID-20210427-CA0I-NCPZ-WXRB-TWQXBQP8F8NW-low.png Figure 4-1 Switch Node