TIDT192 October 2020
2.1 Efficiency Graphs
The following graph and table illustrate the efficiency data with directly-supply DC voltage across input capacitors C100 and C108 (that is, VBUS to PGND). 5 V is applied to PSON, voltage PWM, and 5.4 V is applied to current PWM.
Figure 2-1 DC/DC Efficiency|
VIN (V) |
IIN (A) |
PIN (W) |
VOUT (V) |
IOUT (A) |
POUT (W) |
Efficiency (%) |
|---|---|---|---|---|---|---|
|
204.75 |
1.415 |
289.79 |
22.079 |
12.0208 |
265.40 |
91.59 |
|
204.79 |
1.181 |
241.90 |
22.091 |
10.0630 |
222.30 |
91.90 |
|
204.85 |
0.951 |
194.87 |
22.095 |
8.0108 |
177.00 |
90.83 |
|
204.97 |
0.726 |
148.81 |
22.106 |
6.0207 |
133.09 |
89.44 |
|
205.09 |
0.493 |
101.09 |
22.108 |
4.0630 |
89.82 |
88.86 |
|
205.12 |
0.269 |
55.12 |
22.104 |
2.1065 |
46.56 |
84.47 |
|
205.13 |
0.152 |
31.08 |
22.107 |
1.0614 |
23.46 |
75.50 |
|
205.13 |
0.090 |
18.46 |
22.104 |
0.5075 |
11.22 |
60.77 |
|
205.13 |
0.067 |
12.57 |
22.101 |
0.2466 |
5.45 |
43.36 |
|
371.72 |
0.812 |
301.95 |
22.129 |
12.0192 |
265.97 |
88.09 |
|
371.75 |
0.700 |
260.06 |
22.140 |
10.1595 |
224.93 |
86.49 |
|
371.84 |
0.555 |
206.25 |
22.138 |
8.0751 |
178.77 |
86.67 |
|
372.02 |
0.418 |
155.57 |
22.148 |
6.0861 |
134.79 |
86.64 |
|
372.10 |
0.284 |
105.56 |
22.141 |
4.0626 |
89.95 |
85.21 |
|
372.13 |
0.150 |
55.62 |
22.111 |
2.1064 |
46.57 |
83.74 |
|
372.13 |
0.078 |
28.76 |
22.092 |
1.0618 |
23.46 |
81.56 |
|
372.15 |
0.042 |
14.58 |
22.071 |
0.5083 |
11.22 |
76.94 |
|
372.15 |
0.023 |
7.85 |
22.065 |
0.2475 |
5.46 |
69.56 |
The following graph and table illustrate the efficiency data with 5 V applied to PSON, voltage PWM, and 5.4 V applied to current PWM. The input frequency is 60 Hz.
Figure 2-2 AC/DC Efficiency. |
VIN (V) |
IIN (A) |
PIN (W) |
P.F. |
VOUT (V) |
IOUT (A) |
POUT (W) |
Efficiency (%) |
|---|---|---|---|---|---|---|---|
|
102.10 |
3.941 |
297.70 |
0.740 |
22.018 |
12.0224 |
264.71 |
88.92 |
|
102.06 |
3.371 |
250.50 |
0.728 |
22.024 |
10.0634 |
221.64 |
88.48 |
|
102.02 |
2.804 |
205.00 |
0.716 |
22.030 |
8.0766 |
177.93 |
86.79 |
|
102.06 |
2.156 |
152.63 |
0.694 |
22.037 |
6.0214 |
132.70 |
86.94 |
|
101.96 |
1.502 |
102.20 |
0.667 |
22.037 |
3.9981 |
88.11 |
86.21 |
|
102.06 |
0.872 |
55.47 |
0.623 |
22.043 |
2.0415 |
45.00 |
81.13 |
|
102.07 |
0.544 |
32.68 |
0.588 |
22.042 |
1.0615 |
23.40 |
71.60 |
|
102.03 |
0.327 |
18.30 |
0.548 |
22.040 |
0.5076 |
11.19 |
61.13 |
|
120.06 |
3.472 |
300.20 |
0.720 |
22.037 |
12.0204 |
264.89 |
88.24 |
|
120.05 |
2.991 |
254.50 |
0.709 |
22.039 |
10.0623 |
221.76 |
87.14 |
|
120.04 |
2.484 |
206.60 |
0.693 |
22.050 |
8.0759 |
178.08 |
86.19 |
|
120.01 |
1.932 |
155.71 |
0.672 |
22.044 |
6.0863 |
134.16 |
86.16 |
|
120.06 |
1.356 |
104.79 |
0.644 |
22.053 |
4.0622 |
89.58 |
85.49 |
|
120.04 |
0.793 |
57.15 |
0.600 |
22.052 |
2.1059 |
46.44 |
81.26 |
|
120.01 |
0.464 |
31.13 |
0.559 |
22.048 |
1.0942 |
24.12 |
77.50 |
|
120.02 |
0.261 |
16.17 |
0.516 |
22.044 |
0.5394 |
11.89 |
73.55 |
|
119.98 |
0.157 |
8.98 |
0.478 |
22.041 |
0.2783 |
6.13 |
68.31 |
|
13.97 |
3.240 |
302.50 |
0.707 |
22.031 |
12.0537 |
265.56 |
87.79 |
|
131.96 |
2.800 |
257.00 |
0.695 |
22.041 |
10.0628 |
221.79 |
86.30 |
|
132.07 |
2.305 |
206.50 |
0.679 |
22.047 |
8.0765 |
178.06 |
86.23 |
|
132.06 |
1.795 |
155.94 |
0.658 |
22.044 |
6.0867 |
134.18 |
86.04 |
|
132.04 |
1.263 |
105.21 |
0.631 |
22.048 |
4.0626 |
89.57 |
85.14 |
|
132.05 |
0.727 |
56.47 |
0.588 |
22.046 |
2.1062 |
46.43 |
82.23 |
|
132.04 |
0.410 |
29.51 |
0.544 |
22.045 |
1.0613 |
23.40 |
79.28 |
|
132.09 |
0.234 |
15.55 |
0.502 |
22.042 |
0.5394 |
11.89 |
76.47 |
|
132.01 |
0.142 |
8.70 |
0.465 |
22.039 |
0.2785 |
6.14 |
70.53 |