TIDT427A December   2025  – April 2025

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Dimensions
    3. 1.3 Considerations
  6. 2Testing and Results
    1. 2.1 Efficiency Graph
    2. 2.2 Efficiency Data
      1. 2.2.1 30V Input Voltage
      2. 2.2.2 48V Input Voltage
      3. 2.2.3 60V Input Voltage
    3. 2.3 Thermal Images
      1. 2.3.1 Thermal Images at 48VIN, 12VOUT, 10A, No Heatsink
      2. 2.3.2 Thermal Images at 48VIN, 12VOUT, 20A, RS-PRO 750-0951 Heatsink
    4. 2.4 Bode Plots
      1. 2.4.1 30V Input Voltage
      2. 2.4.2 48V Input Voltage
      3. 2.4.3 60V Input Voltage
  7. 3Waveforms
    1. 3.1 Switching
      1. 3.1.1 48V Input Voltage
        1. 3.1.1.1 0A Output Current
        2. 3.1.1.2 20A Output Current
      2. 3.1.2 60V Input Voltage
      3. 3.1.3 30V Input Voltage
    2. 3.2 Output Voltage Ripple
    3. 3.3 Input Voltage Ripple
    4. 3.4 Load Transients
  8. 4EMI Measurements
    1. 4.1 Results Summary (CISPR25 Limit lines)
    2. 4.2 Test Setup
    3. 4.3 Monopole Antenna (150kHz – 30MHz)
    4. 4.4 Biconical Antenna (30MHz to 200MHz)
    5. 4.5 Log-Periodic Antenna (200MHz – 1GHz)
    6. 4.6 Horn Antenna (1GHz – 3GHz)

4 EMI Measurements

Radiated EMI tests performed on PMP31349 Rev. B board. The goal is to meet the CISPR 25 Class 3 standard. Class 5 limit lines are shown in the plots below as reference. These tests are provided as reference only.