TIDT441 July   2025

 

  1.   1
  2.   Description
  3.   Resources
  4.   Features
  5.   Applications
  6. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Dimensions
    3. 1.3 Precautions
  7. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
      1. 2.2.1 28V Output Voltage
      2. 2.2.2 20V Output Voltage
      3. 2.2.3 15V Output Voltage
      4. 2.2.4 12V Output Voltage
      5. 2.2.5 9V Output Voltage
      6. 2.2.6 5V Output Voltage
    3. 2.3 Thermal Images
      1. 2.3.1 Buck Mode
      2. 2.3.2 Boost Mode
    4. 2.4 Bode Plots
    5. 2.5 Digital Communications: USB-C With DP ALT Mode
  8. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients

2.2.1 28V Output Voltage

Table 2-1 Table Efficiency Data for 28V Output Voltage
VIN (V) IIN (A) VOUT (V) IOUT (A) PIN (W) POUT (W) PLOSS (W) Efficiency (%)
12.00 0.29 27.91 0.10 3.48 2.79 0.69 80.2%
12.00 1.23 27.91 0.50 14.80 13.95 0.84 94.3%
12.00 2.43 27.90 1.00 29.22 27.90 1.31 95.5%
12.00 3.61 27.91 1.50 43.37 41.86 1.51 96.5%
12.00 4.80 27.91 2.00 57.63 55.82 1.81 96.9%
12.00 6.00 27.91 2.51 71.95 69.91 2.04 97.2%
12.00 7.20 27.91 3.00 86.36 83.73 2.63 96.9%
12.00 8.41 27.91 3.51 100.85 97.83 3.03 97.0%
12.00 9.62 27.91 4.01 115.43 111.78 3.64 96.8%
12.01 10.65 27.91 4.42 127.91 123.37 4.54 96.5%
11.96 12.12 27.91 5.01 144.89 139.84 5.05 96.5%