TIDT358 May   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
  7. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-Up Sequence

Description

This reference design uses the UCC28730-Q1 flyback controller to produce an isolated 33V output. The design is capable of three 100mA outputs from a 60V to 1000VDC input. This power system is designed to be a bias supply for a traction inverter with an automotive-qualified controller.