TIDT268 March   2022

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Specifications
    2. 1.2 Dimensions
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data - Minimum Load of 100 mA
    3. 2.3 Thermal Images
    4. 2.4 Loop Response
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Output Voltage at Start-up

3.1 Switching

Switching behavior is shown in the following figures.

GUID-20220314-SS0I-K8HK-C5MM-C6CC4J6KDVLV-low.png Figure 3-1 Vds of Primary FET (Q3),
120-VDC Input, 40-W Output
GUID-20220314-SS0I-PXVB-KQWF-NMCHSMVBRQPZ-low.png Figure 3-2 Voltage on Cathodes of Output Diodes (D3), 120-VDC Input, 40-W Output