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05/13/2014
PMP9531 Rev D Test Results
Page 1 of 15 Power Management Solutions
1 Photo The photographs below show the top and bottom views of the PMP9531 Rev D board, which is built on PMP9531 Rev C PCB.
Top Side
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PMP9531 Rev D Test Results
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Bottom Side
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PMP9531 Rev D Test Results
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2 Efficiency The efficiency curves of total supply are shown in the tables and graph below.
2.1 PFC Efficiency
In the test of PFC efficiency, L7, T3, R32 and R33 are removed. Constant current load is directly applied to the PFC
output.
100VAC/60Hz
Vin(ac) Iin(A) Pin(W) PF V_B+(V) I_B+(A) Pout(W) Losses(W) Eff. (%)
99.15 4.095 405.8 1 385.8 0.997 384.6426 21.1574 94.79%
100.25 3.646 365.4 1 385.9 0.899 346.9241 18.4759 94.94%
100.87 3.22 324.6 1 386.1 0.803 310.0383 14.5617 95.51%
101.63 2.776 281.9 0.999 386.1 0.7 270.27 11.63 95.87%
102.37 2.357 240.9 0.998 386.2 0.599 231.3338 9.5662 96.03%
103.26 1.952 201 0.997 386.1 0.501 193.4361 7.5639 96.24%
100.76 1.606 161.09 0.996 386.1 0.402 155.2122 5.8778 96.35%
101.59 1.198 120.66 0.991 386.1 0.301 116.2161 4.4439 96.32%
102.66 0.812 81.73 0.981 386.2 0.202 78.0124 3.7176 95.45%
104.06 0.4206 41.42 0.946 386.4 0.1 38.64 2.78 93.29%
104.64 0.2338 21.67 0.886 386.5 0.05 19.325 2.345 89.18%
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PMP9531 Rev D Test Results
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120VAC/60Hz
Vin(ac) Iin(A) Pin(W) PF V_B+(V) I_B+(A) Pout(W) Losses(W) Eff. (%)
119.84 3.345 400.5 0.999 386.1 0.997 384.9417 15.5583 96.12%
120.67 2.995 361 0.999 386.1 0.901 347.8761 13.1239 96.36%
120.61 2.661 320.4 0.998 386.1 0.801 309.2661 11.1339 96.53%
120.9 2.319 279.7 0.998 386.1 0.7 270.27 9.43 96.63%
121.6 1.987 240.7 0.996 386.1 0.603 232.8183 7.8817 96.73%
120.16 1.669 199.47 0.995 386.2 0.5 193.1 6.37 96.81%
121.13 1.325 159.09 0.991 386.2 0.398 153.7076 5.3824 96.62%
119.91 1.021 120.61 0.985 386.2 0.301 116.2462 4.3638 96.38%
120.7 0.6911 80.99 0.971 386.3 0.201 77.6463 3.3437 95.87%
121.66 0.3686 41.49 0.925 386.4 0.1 38.64 2.85 93.13%
122.32 0.2138 21.7 0.83 386.4 0.05 19.32 2.38 89.03%
240VAC/50Hz
Vin(ac) Iin(A) Pin(W) PF V_B+(V) I_B+(A) Pout(W) Losses(W) Eff. (%)
239.8 1.654 391 0.986 386 0.996 384.456 6.544 98.33%
240.2 1.497 353.4 0.983 386 0.9 347.4 6 98.30%
240.6 1.334 314.2 0.979 386 0.8 308.8 5.4 98.28%
241 1.172 275.1 0.974 386.1 0.701 270.6561 4.4439 98.38%
241.4 1.014 236.5 0.966 386.1 0.6 231.66 4.84 97.95%
241.8 0.859 198.39 0.955 386.1 0.501 193.4361 4.9539 97.50%
242.2 0.6979 158.76 0.939 386.1 0.401 154.8261 3.9339 97.52%
242.6 0.5487 120.07 0.902 386 0.302 116.572 3.498 97.09%
243.1 0.4051 80.38 0.816 385.9 0.2 77.18 3.2 96.02%
243.5 0.2369 41.66 0.722 385.8 0.101 38.9658 2.6942 93.53%
243.8 0.2019 20.3 0.414 385.7 0.049 18.8993 1.4007 93.10%
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2.2 Converter Efficiency
100VAC/60Hz
Vin(ac) Iin(A) Pin(W) PF Vout(V) Iout(A) Pout(W) Losses(W) Eff. (%)
100.07 3.889 388.9 1 27.8 12.5 347.5 41.4 89.35%
100.14 3.388 339.1 1 27.81 11 305.91 33.19 90.21%
100.18 3.068 307.1 0.999 27.81 10 278.1 29 90.56%
100.23 2.749 275.2 0.999 27.81 9 250.29 24.91 90.95%
100.27 2.438 244.1 0.999 27.82 8 222.56 21.54 91.18%
100.11 2.137 213.5 0.998 27.86 7 195.02 18.48 91.34%
100.15 1.832 182.89 0.997 27.86 6 167.16 15.73 91.40%
100.2 1.526 152.05 0.995 27.86 5 139.3 12.75 91.61%
100.24 1.226 121.86 0.991 27.86 4 111.44 10.42 91.45%
100.28 0.936 92.46 0.985 27.86 3 83.58 8.88 90.40%
100.32 0.6429 62.65 0.971 27.87 2 55.74 6.91 88.97%
100.34 0.5027 48.35 0.959 27.87 1.5 41.805 6.545 86.46%
100.36 0.3603 33.78 0.934 27.87 1 27.87 5.91 82.50%
100.38 0.2215 19.576 0.88 27.87 0.5 13.935 5.641 71.18%
100.41 53.98 1.338 0.243 28.07 0 0 1.338 0.00%
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120VAC/60Hz
Vin(ac) Iin(A) Pin(W) PF Vout(V) Iout(A) Pout(W) Losses(W) Eff. (%)
120.01 3.194 382.9 0.999 27.81 12.5 347.625 35.275 90.79%
120.07 2.797 335.3 0.998 27.81 11 305.91 29.39 91.23%
120.1 2.536 303.9 0.998 27.82 10 278.2 25.7 91.54%
120.14 2.278 272.9 0.997 27.82 9 250.38 22.52 91.75%
120.18 2.023 242.2 0.996 27.82 8 222.56 19.64 91.89%
120.21 1.771 211.8 0.995 27.82 7 194.74 17.06 91.95%
120.04 1.519 181.08 0.993 27.83 6 166.98 14.1 92.21%
120.08 1.27 150.96 0.99 27.83 5 139.15 11.81 92.18%
120.11 1.026 121.28 0.984 27.83 4 111.32 9.96 91.79%
120.15 0.7868 92.15 0.975 27.84 3 83.52 8.63 90.63%
120.18 0.5466 62.81 0.956 27.84 2 55.68 7.13 88.65%
120.2 0.4272 48.16 0.938 27.84 1.5 41.76 6.4 86.71%
120.21 0.3096 33.68 0.905 27.85 1 27.85 5.83 82.69%
120.23 0.19598 19.378 0.822 27.85 0.5 13.925 5.453 71.86%
120.25 0.04623 1.393 0.251 28.14 0 0 1.393 0.00%
240VAC/50Hz
Vin(ac) Iin(A) Pin(W) PF Vout(V) Iout(A) Pout(W) Losses(W) Eff. (%)
240.1 1.586 374.7 0.984 27.8 12.5 347.5 27.2 92.74%
240.1 1.397 328.9 0.98 27.81 11 305.91 22.99 93.01%
240.1 1.273 298.6 0.977 27.81 10 278.1 20.5 93.13%
240.1 1.15 268.5 0.973 27.83 9 250.47 18.03 93.28%
240.2 1.031 239.4 0.967 27.83 8 222.64 16.76 93.00%
240.2 0.909 209.5 0.959 27.83 7 194.81 14.69 92.99%
240.2 0.7902 180.03 0.948 27.83 6 166.98 13.05 92.75%
240.2 0.6696 150.24 0.934 27.84 5 139.2 11.04 92.65%
240.2 0.5525 120.99 0.912 27.84 4 111.36 9.63 92.04%
240.3 0.4469 91.77 0.855 27.84 3 83.52 8.25 91.01%
240.3 0.3342 62.47 0.778 27.85 2 55.7 6.77 89.16%
240.3 0.2765 48.56 0.731 27.85 1.5 41.775 6.785 86.03%
240.3 0.2161 33.6 0.647 27.85 1 27.85 5.75 82.89%
240.3 0.17796 19.038 0.447 27.86 0.5 13.93 5.108 73.17%
240.3 0.06639 1.351 0.084 28.02 0 0 1.351 0.00%
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3 Power Factor The power factor is shown in the plot below.
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4 Thermal Images The thermal images below show a top view and bottom view of the board. The board is placed vertically during the test, where the input and output connecters are at the bottom side. The ambient temperature was 25ºC with no air flow. The output was loaded with 28V/12.5A. Notice that forced air flow is suggested for the continuous use of PMP9531RevD board at 350W full load.
4.1 120V/60Hz (Pin=382.6W, Vout=27.8V, Iout=12.5A, Efficiency=90.82%)
Top Side
Bottom Side
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4.2 240V/50Hz (Pin=374.7W, Vout=27.8V, Iout=12.5A, Efficiency=92.74%)
Top Side
Bottom Side
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5 Startup The voltages at startup are shown in the images below, where CH1 is the input voltage, CH2 is the Bias voltage, CH3 is the PFC output voltage, and CH4 is the 28V output voltage.
5.1 90VAC/60Hz – Full Load (Pout=350W)
5.2 240VAC/50Hz – Full Load (Pout=350W)
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6 Turn-off The voltages at turn-off are shown in the images below, where CH1 is the input voltage, CH2 is the Bias voltage, CH3 is the PFC output voltage, and CH4 is the 28V output voltage.
6.1 90VAC/60Hz – Full Load (Pout=350W)
6.2 240VAC/50Hz – Full Load (Pout=350W)
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7 28V Output Ripple Voltage The 28Voutput ripple voltage during full load operation (Pout=350W) at 120Vac/60Hz is shown in the plot below.
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8 PFC Output Ripple Voltage The PFC output ripple voltage during full load operation (Pout=350W) is shown in the plots below.
8.1 90VAC/60Hz
8.2 240VAC/50Hz
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9 LLC Half Bridge Frequency Response The frequency response of the feedback loop is shown in the plot below, where AC signal is injected at R37. The output was loaded with 350W at 240VAC/50Hz input.
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10 LLC Half Bridge Load Transient Response The image below shows the response to a 170W to 350W load transient at 240Vac/50Hz, where channel 3 is the output voltage (AC) and channel 2 is the output current.
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