TIDT430 December   2024

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Dimensions
  6. 2Testing and Results
    1. 2.1 Efficiency Graph
    2. 2.2 Load Regulation
    3. 2.3 Line Regulation
  7. 3Waveforms
    1. 3.1 Switching
      1. 3.1.1 325VDC Input Voltage
        1. 3.1.1.1 0A Load Current
        2. 3.1.1.2 30mA Load Current
        3. 3.1.1.3 130mA Load Current
        4. 3.1.1.4 340mA Load Current
        5. 3.1.1.5 600mA Load Current
      2. 3.1.2 630VDC Input Voltage
        1. 3.1.2.1 600mA Load Current
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
      1. 3.3.1 100VDC Input Voltage
      2. 3.3.2 250VDC Input Voltage
      3. 3.3.3 450VDC Input Voltage
      4. 3.3.4 630VDC Input Voltage
    4. 3.4 Start-up Sequence
      1. 3.4.1 150VDC Input Voltage and 600mA Load Current
      2. 3.4.2 325VDC Input Voltage and No Load
      3. 3.4.3 630VDC Input Voltage and 600mA Load Current

Features

  • Wide input range: 100VDC to 630VDC
  • Resistant to external magnetic fields
  • Output short-circuit (OSC) protection
  • Frequency dithering for improved electromagnetic interference (EMI)
  • Frequency foldback and burst mode for improved light load efficiency
  • UCC28750 controller with low cost current mirror