TIDT323 june   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1System Specification
    1. 1.1 Input Characteristic
    2. 1.2 Output Characteristics
  6. 2Results
    1. 2.1  Efficiency Graph, Voltage Mode
    2. 2.2  Efficiency Data, Voltage Mode
    3. 2.3  Efficiency Graph, Current Mode
    4. 2.4  Efficiency Data, Current Mode
    5. 2.5  Load Regulation, Voltage Mode
    6. 2.6  Load Regulation, Current Mode
    7. 2.7  Line Regulation, Voltage Mode
    8. 2.8  Line Regulation, Current Mode
    9. 2.9  Thermal Images, Voltage Mode
    10. 2.10 Thermal Image, Current Mode
  7. 3Waveforms
    1. 3.1  Prebias Start-Up, Voltage Mode
    2. 3.2  Prebias Start-up, Current Mode
    3. 3.3  Output Voltage Ripple, Voltage Mode
    4. 3.4  Output Voltage Ripple, Current Mode
    5. 3.5  Load Transient, Voltage Mode
    6. 3.6  Load Transient, Current Mode
    7. 3.7  Line Transient, Voltage Mode
    8. 3.8  Line Transient, Current Mode
    9. 3.9  Phase Current Balancing, Voltage Mode
    10. 3.10 Phase Current Balancing, Current Mode
    11. 3.11 Loop Response, Voltage Mode
    12. 3.12 Loop Response, Current Mode

3.2 Prebias Start-up, Current Mode

The waveform of prebias start-up at no load are shown in the following waveform images.

GUID-20230118-SS0I-JF7K-XJKK-FR3ZWKMKR6ZW-low.jpg
VOUT = 48 V, Prebias voltage = 42 V, no-load CH1: VOUT,
CH2: IOUT
Figure 3-3 Prebias Start-up
GUID-20230118-SS0I-9KJC-N9SP-9ZWMLWQJHDHW-low.jpg
VOUT = 48 V, Prebias voltage = 5 V, no-load CH1: VOUT,
CH2: IOUT
Figure 3-4 Prebias Start-up