TIDT195 September   2020  – MONTH 

 

  1.   Description
  2. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  3. 2Testing and Results
    1. 2.1 Thermal Images
    2. 2.2 Efficiency and Power Dissipation Graphs
    3. 2.3 Efficiency and Power Dissipation Data
    4. 2.4 Voltage Regulation
  4. 3Waveforms
    1. 3.1 Start-up
    2. 3.2 Switch Node
    3. 3.3 Output Voltage Ripple
    4. 3.4 Load Transients
    5. 3.5 Short-Circuit Recovery Response

1.1 Voltage and Current Requirements

Table 1-1 Voltage and Current Requirements
ParameterSpecifications
Input voltage range50 V - 150 V, after > 40 V start-up
Output voltage and current12V ±3%, 400 mA maximum
Switching frequencyVariable, 83 kHz max
Isolation

No

Controller featuresValley switching, frequency dithering, internal 700-V start-up switch, overcurrent and overvoltage protection