器件名称: PMP8920
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PMP8920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。此外,同步整流器(SR)IC UCC24610应用于LLC输出整流阶段。低EMI可与TM-PFC和LLC-SRC开关零电压切换。在100W满载下效率可达到91%。
文件大小: 1530.62KB 共13页
简 介:07/26/2013
PMP8920 Rev B Test Results
1 Photo
The photographs below show the top and bottom views of the PMP8920 Rev B demo board, which is built on PMP8920 Rev A PCB.
Top Side
Bottom Side
Page 1 of 12
Power Management Solutions
07/26/2013
PMP8920 Rev B Test Results
2 Efficiency
The efficiency curves are shown in the tables and graph below.
90VAC/60Hz
Vin(ac) 90.4 90.04 90.09 90.02 90.1 90.1 90 90.07 90.1 90.1 90.12
Iin(A) 0.06 0.1283 0.19655 0.3324 0.4738 0.618 0.7624 0.912 1.061 1.209 1.364
Pin(W) 4 10.888 17.148 29.54 42.37 55.25 68.43 81.93 95.49 108.83 122.8
PF 0.73 0.942 0.968 0.987 0.993 0.996 0.998 0.998 0.999 0.999 0.999
Vout(V) 12.09 12.09 12.09 12.09 12.09 12.08 12.08 12.08 12.08 12.08 12.08
Iout(A) 0 0.505 1.005 2.005 3.004 4.002 5.001 6 7.01 8 9
Pout(W) 0 6.10545 12.15045 24.24045 36.31836 48.34416 60.41208 72.48 84.6808 96.64 108.72
Losses(W) 4 4.78255 4.99755 5.29955 6.05164 6.90584 8.01792 9.45 10.8092 12.19 14.08
Efficiency (%) 0.00% 56.08% 70.86% 82.06% 85.72% 87.50% 88.28% 88.47% 88.68% 88.80% 88.53%
Page 2 of 12
Power Management Solutions
07/26/2013
PMP8920 Rev B Test Results
120VAC/60Hz
Vin(ac) 120.42 120.1 120.08 120.13 120.08 120 120.1 120.12 120.12 120.05 120.13
Iin(A) 0.054 0.10145 0.1543 0.2544 0.3577 0.463 0.568 0.676 0.787 0.9 1.01
Pin(W) 4.2 10.85 17.361 29.66 42.23 55 67.8 80.73 94.23 107.85 121.08
PF 0.63 0.891 0.937 0.97 0.983 0.99 0.993 0.995 0.997 0.998 0.998
Vout(V) 12.1 12.09 12.09 12.09 12.09 12.09 12.09 12.08 1……