器件名称: PMP8911
功能描述: 低EMI、效率高、功率因数高、可靠的电力供应的主要着重于PMP8911电信应用的设计。瞬态模式(TM)功率因数校正(PFC)和UCC28051 LLC串联谐振转换器(SRC)PMP8911 UCC25600应用。低EMI会与TM-PFC和LLC-SRC开关零电压切换。在100W满载下效率可达到92%。
文件大小: 1751.08KB 共16页
简 介:04/03/2013
PMP8911 Rev A Test Results
1 Photo
The photographs below show the top and bottom views of the PMP8911 Rev A demo board.
Top Side
Bottom Side
Page 1 of 15
Power Management Solutions
04/03/2013
PMP8911 Rev A Test Results
2 Efficiency
The efficiency curves of PFC stage and total supply are shown in the tables and graph below.
2.1
PFC Efficiency
PFC efficiencies are tested with LLC resonant converter and internal bias supply disabled. A 14V external voltage is injected to Bias net. Electronic load is directly connected to PFC output (B+). The external bias condition is 14V/27mA.
Vin(ac) 90.09 90.2 90.09 90.07 90.07 90.41 90.08 90.4 90.38 89.96
Iin(A) 0.2823 0.4114 0.5407 0.6374 0.7231 0.8506 0.9887 1.081 1.165 1.351
Pin(W) 25 36.79 48.49 57.22 64.98 76.76 88.93 97.58 105.22 121.38
PF 0.983 0.992 0.995 0.997 0.998 0.998 0.998 0.999 0.999 0.999
V_B+(V) 384.3 384.3 384.3 384.3 384.4 384.4 384.4 384.5 384.6 384.7
I_B+(A) 0.06 0.089 0.119 0.141 0.16 0.19 0.219 0.241 0.26 0.3
Pout(W) Losses(W) 23.058 1.942 34.2027 2.5873 45.7317 2.7583 54.1863 3.0337 61.504 3.476 73.036 3.724 84.1836 4.7464 92.6645 4.9155 99.996 5.224 115.41 5.97
Eff (%) 92.23% 92.97% 94.31% 94.70% 94.65% 95.15% 94.66% 94.96% 95.04% 95.08%
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Power Management Solutions
04/03/2013
PMP8911 Rev A Test Results
Vin(ac) 220.2 220.1 220.4 220.3 220.2 220.1 220.1 220.2 220.2 220.1 Iin(A) 0.139 0.1854 0.2346 0.2712 0.305 0.3566 0.4069 0.4454 0.4792 0.5485 Pin(W) 25.2 37 48.54 56.81 6……
