SLUUCJ2 July   2021 UCC14240-Q1

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Pin Configuration and Functions
  3. 2Description
    1. 2.1 EVM Electrical Performance Specifications
  4. 3Schematic
  5. 4EVM Setup and Operation
    1. 4.1 Reference
    2. 4.2 External Connections for Easy Evaluation
    3. 4.3 Powering the EVM
      1. 4.3.1 Power on for Start-up
      2. 4.3.2 Power off for Shutdown
    4. 4.4 EVM Test Points
    5. 4.5 Oscilloscope Probes: Probing the EVM
  6. 5 Performance Data
    1. 5.1 Efficiency Data
    2. 5.2 Regulation Data
    3. 5.3 Start-up Waveforms
    4. 5.4 Inrush Current
    5. 5.5 AC Ripple Voltage
    6. 5.6 EN and /PG Timing
    7. 5.7 Shutdown
    8. 5.8 Steady State
    9. 5.9 Thermal Performance
  7. 6Assembly and Printed Circuit Board (PCB) Layers
  8. 7Bill of Materials (BOM)
  9. 8Revision History

Efficiency Data


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Figure 5-1 UCC14240EVM Efficiency, VISO Loading Only
Table 5-1 Efficiency Test Data (VIN = 21 V)
VIN (V) IIN (mA) VISO (V) IISO (mA) VISO1 (V) VISO2 (V) PIN (W) PISO (W) Eff (%)
21.02 10.74 20.17 0.24 15.11 -5.06 0.23 0.00 2.14
21.02 17.06 20.17 4.49 15.11 -5.06 0.36 0.09 25.25
21.02 25.49 20.17 10.16 15.11 -5.06 0.54 0.20 38.26
21.01 40.92 20.17 20.41 15.11 -5.06 0.86 0.41 47.86
21.01 55.96 20.16 30.37 15.11 -5.06 1.18 0.61 52.07
21.01 70.39 20.16 39.98 15.10 -5.06 1.48 0.81 54.50
21.01 85.98 20.16 50.31 15.10 -5.06 1.81 1.01 56.15
21.01 100.92 20.16 60.20 15.10 -5.06 2.12 1.21 57.23
21.01 115.65 20.16 69.86 15.10 -5.06 2.43 1.41 57.95
21.01 131.00 20.15 80.10 15.09 -5.06 2.75 1.61 58.65
21.01 145.92 20.15 89.98 15.09 -5.06 3.07 1.81 59.14
21.01 161.25 20.14 100.09 15.08 -5.06 3.39 2.02 59.50
21.01 175.99 20.13 109.84 15.07 -5.06 3.70 2.21 59.80
21.01 194.01 20.13 120.13 14.94 -5.08 4.08 2.42 59.33
21.01 199.68 19.16 130.13 14.34 -5.06 4.20 2.49 59.42
Table 5-2 Efficiency Test Data (VIN = 24 V)
VIN (V) IIN (mA) VISO (V) IISO (mA) VISO1 (V) VISO2 (V) PIN (W) PISO (W) Eff (%)
24.02 10.14 20.18 0.24 15.12 -5.06 0.24 0.00 1.99
24.02 16.41 20.17 5.11 15.12 -5.06 0.39 0.10 26.13
24.01 23.22 20.17 10.24 15.12 -5.06 0.56 0.21 37.06
24.01 36.96 20.17 20.59 15.11 -5.06 0.89 0.42 46.79
24.01 49.87 20.17 30.14 15.11 -5.06 1.20 0.61 50.76
24.01 63.13 20.17 40.10 15.11 -5.06 1.52 0.81 53.35
24.01 76.56 20.17 50.03 15.11 -5.06 1.84 1.01 54.88
24.01 90.42 20.17 60.28 15.11 -5.06 2.17 1.22 55.99
24.01 103.68 20.16 70.01 15.10 -5.06 2.49 1.41 56.70
24.01 117.60 20.16 80.17 15.10 -5.06 2.82 1.62 57.24
24.01 131.17 20.16 89.99 15.10 -5.06 3.15 1.81 57.60
24.01 145.13 20.16 100.12 15.10 -5.06 3.48 2.02 57.92
24.01 159.48 20.16 110.28 15.10 -5.06 3.83 2.22 58.06
24.01 173.45 20.16 120.12 15.09 -5.06 4.16 2.42 58.14
24.01 188.00 20.11 130.15 15.05 -5.07 4.51 2.62 57.98
24.01 192.37 19.78 135.13 14.71 -5.06 4.62 2.67 57.86
24.01 196.14 19.23 140.14 14.16 -5.07 4.71 2.69 57.22
24.01 199.87 18.65 145.41 13.58 -5.07 4.80 2.71 56.50
Table 5-3 Efficiency Test Data (VIN = 27 V)
VIN (V) IIN (mA) VISO (V) IISO (mA) VISO1 (V) VISO2 (V) PIN (W) PISO (W) Eff (%)
27.02 9.88 20.19 0.24 15.13 -5.06 0.27 0.00 1.81
27.02 15.69 20.18 5.07 15.12 -5.06 0.42 0.10 24.14
27.02 22.02 20.18 10.24 15.12 -5.06 0.59 0.21 34.75
27.01 34.75 20.18 20.57 15.12 -5.06 0.94 0.42 44.21
27.01 46.73 20.18 30.06 15.12 -5.06 1.26 0.61 48.04
27.01 59.12 20.17 40.04 15.12 -5.06 1.60 0.81 50.58
27.01 71.94 20.17 50.33 15.11 -5.06 1.94 1.02 52.25
27.01 84.68 20.17 60.21 15.11 -5.06 2.29 1.21 53.10
27.01 96.98 20.17 69.94 15.11 -5.06 2.62 1.41 53.85
27.01 110.15 20.17 80.03 15.11 -5.06 2.98 1.61 54.25
27.01 123.36 20.17 90.26 15.11 -5.06 3.33 1.82 54.63
27.01 136.49 20.17 100.36 15.11 -5.06 3.69 2.02 54.90
27.01 149.47 20.17 110.19 15.10 -5.06 4.04 2.22 55.04
27.01 162.32 20.17 120.01 15.10 -5.06 4.38 2.42 55.20
27.01 175.96 20.17 130.02 15.10 -5.07 4.75 2.62 55.17
27.01 189.71 20.17 140.05 15.10 -5.07 5.12 2.82 55.11
27.01 202.86 20.04 150.27 14.96 -5.07 5.48 3.01 54.94
27.01 206.29 19.43 155.03 14.26 -5.07 5.57 3.01 54.06
27.01 209.62 18.79 160.38 13.72 -5.07 5.66 3.01 53.23