TIDT342 july   2023

 

  1.   1
  2.   Description
  3.   Features
  4.   Applications
  5. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
  6. 2Testing and Results
    1. 2.1 Current Sharing
    2. 2.2 Efficiency Graphs
    3. 2.3 Efficiency Data
    4. 2.4 Thermal Images
  7. 3Waveforms
    1. 3.1 Start-up and Shutdown
    2. 3.2 Ripple and Switching Node
    3. 3.3 Load Transients
    4. 3.4 Overcurrent Protection, Short-Circuit Protection

2.3 Efficiency Data

Efficiency data is shown in the following table.

Table 2-2 PMP21966 Test Conditions: 1.1 VOUT, 1000 kHz
VIN (V) VOUT (V) V5V IIN IOUT I5v Efficiency PLOSS
7.995 1.100 4.947 0.797 4.988 0.118 78.9% 1.47
7.990 1.102 4.944 1.544 9.984 0.125 84.9% 1.96
7.985 1.103 4.944 2.281 14.980 0.125 87.7% 2.31
7.980 1.104 4.944 3.030 19.974 0.126 88.9% 2.75
7.976 1.106 4.944 3.792 24.971 0.126 89.5% 3.25
7.970 1.107 4.944 4.567 29.967 0.126 89.6% 3.84
7.965 1.109 4.944 5.355 34.961 0.127 89.6% 4.52
7.960 1.110 4.943 6.158 39.953 0.128 89.3% 5.30
7.955 1.112 4.943 6.975 44.944 0.128 89.0% 6.16
7.950 1.113 4.943 7.806 49.932 0.129 88.6% 7.12
7.945 1.115 4.943 8.651 54.914 0.130 88.2% 8.16
7.939 1.116 4.943 9.513 59.891 0.130 87.8% 9.31
13.514 1.100 4.959 0.495 4.988 0.084 77.2% 1.62
13.511 1.102 4.947 0.969 9.984 0.119 80.5% 2.67
13.508 1.103 4.946 1.407 14.980 0.122 84.3% 3.09
13.506 1.105 4.946 1.852 19.975 0.122 86.2% 3.55
13.503 1.106 4.946 2.304 24.972 0.122 87.1% 4.09
13.500 1.108 4.945 2.762 29.968 0.122 87.6% 4.69
13.497 1.109 4.945 3.227 34.961 0.123 87.8% 5.39
13.494 1.110 4.945 3.700 39.955 0.123 87.8% 6.17
13.491 1.112 4.945 4.180 44.945 0.124 87.6% 7.05
13.488 1.113 4.945 4.669 49.933 0.124 87.4% 8.01
13.485 1.115 4.944 5.166 54.913 0.125 87.1% 9.06
13.481 1.116 4.944 5.670 59.890 0.126 86.7% 10.21
18.001 1.100 4.970 0.375 4.989 0.054 78.2% 1.53
17.998 1.102 4.954 0.744 9.984 0.098 79.2% 2.88
17.996 1.103 4.950 1.094 14.981 0.111 81.7% 3.71
17.994 1.104 4.949 1.426 19.975 0.111 84.1% 4.16
17.992 1.106 4.949 1.766 24.972 0.112 85.5% 4.70
17.990 1.108 4.949 2.110 29.969 0.113 86.2% 5.33
17.988 1.109 4.949 2.460 34.961 0.113 86.5% 6.03
17.985 1.110 4.949 2.816 39.955 0.114 86.6% 6.84
17.983 1.112 4.948 3.178 44.946 0.115 86.6% 7.74
17.981 1.113 4.948 3.546 49.932 0.115 86.4% 8.74
17.979 1.115 4.948 3.920 54.914 0.116 86.2% 9.83
17.976 1.116 4.948 4.300 59.891 0.117 85.8% 11.03