TIDT179A may   2020  – april 2023

 

  1.   Description
  2. 1Test Prerequisites
    1. 1.1 System Specification
    2. 1.2 Required Equipment
    3. 1.3 Testing Conditions
    4. 1.4 Considerations
  3. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Standby Efficiency Data
    4. 2.4 Dimensions
    5. 2.5 Thermal Images
  4. 3Waveforms
    1. 3.1 Switch Node
    2. 3.2 Output Voltage Ripple
    3. 3.3 Start-up Sequence
  5. 4Revision History

3.3 Start-up Sequence

The photo below shows the output voltage startup waveform after the application of 115Vac/60Hz and loaded to 0A. (CH1: PFC output voltage, CH2: input current, CH3: 150V output voltage, CH4: 12V output voltage)

GUID-24CC9848-D42E-4CB5-9791-100B974EE46F-low.png

The photo below shows the output voltage startup waveform after the application of 115Vac/60Hz and outputs full loaded. (CH1: PFC output voltage, CH2: input current, CH3: 150V output voltage, CH4: 12V output voltage)

GUID-180C3913-BCCA-4DA9-822C-79C2291939B0-low.png

The photo below shows the output voltage startup waveform after the application of 230Vac/50Hz and loaded to 0A. (CH1: PFC output voltage, CH2: input current, CH3: 150V output voltage, CH4: 12V output voltage)

GUID-E61510F1-2C69-4567-A53B-C9E1674F3F12-low.png

The photo below shows the output voltage startup waveform after the application of 230VAC/50Hz and outputs full loaded. (CH1: PFC output voltage, CH2: input current, CH3: 150V output voltage, CH4: 12V output voltage)

GUID-10DCA7D7-2CBE-4C7F-89A1-A3A4A407F3BD-low.png