反激式开关电源变压器计算

1、计计算算变变压压器器1. 已知参数：最小输入电压VIN(min)= 85V最大输入电压VIN(min)= 264V输出电压VO= 12V输出电流IO= 2A输出功率PO=24 W设定效率= 0.8PFC开关频率= 65KHZ开关周期T= 15.38461538 us2.计算初次侧电流设定反射电压VOR= 85V设定最低输入电压情况下最大占空比Dmax= 0.414250207计算最大导通时间TON= 6.37308011uS计算输入平均电流Iiav= 0.249604792 A设定KRP= 0.67计算DeltaI= 0.60707639计算输入端峰值电流Iipk= 0.906084164 A

2、计算输入电流有效值Iirms= 0.403882082 A3.选择合适的磁芯：计算所需磁芯的窗口乘积-Aneed= 2000mm4选择磁芯 EFD25电感系数AL=uH/N2有效磁芯截面积Ae= 58mm2窗品面积Aw= 67.89mm2有效磁路长度Le=mm有效体积Ve=mm3窗口乘积 3937.62mm44.计算初次级匝数计算导通时间Ton= 6.37308011usToff= 9.011535275 us计算初级匝数np= 66.03280158 匝计算初次级匝比n= 6.8计算次级匝数ns= 9.710706115 匝5.计算初级电感Lp计算初级电感量Ip= 1261.75307uH6

3、.计算初次级电流输出电流峰值Iopk= 6.161372313 A输出电流有效值Iorms= 3.265789614 A选取电流密度J= 6A/mm2计算初级线圈直径Di= 0.292830858 mm计算次级线圈直径Do= 0.832690573 mm7.验证BmaxBmax= 0.298507463 T提示：密码1111，请勿更改70V-120V之间Dmax=VOR/(VOR+1.414*VINMIN)Iiave=p0/效率/1.414/VinminKRP=DeltaI/IpkIrms=Iipk*(krp2/3-krp+1)*D)0.5PO=6500*PO/(DeltaB*J*F) Del

4、taB=0.2T;J=6A/MM2;Ton=T*Dnp=1.414*Vinmin*Ton/DeltaB/Aens=np/nIp=1.414*VINmin*TON/DeltaIIopk=Iipk*nIrms=Iopk*(krp2/3-krp+1)*(1-D)0.5D=(4*Iirms/3.14/j)0.5Bmax=L*Iipk/Ae/nPFC电感计算-CCMCORECORE參參數數對對照照表表TYPETYPEMATERIALMATERIALDimensionsDimensions (mm)(mm)ApAp AeAe AwAw A ALLeLe A A * * B B * * C C( ( cmc

5、m4 ) ) ( ( mmmm2 ) )( ( mmmm2 ) )( ( nH/NnH/N2 ) ) ( ( mmmm ) )TYPETYPE ECEC CORECOREEC353C8535.3*17.3*9.51.374184.30163.002100.0077.40EC413C8541.6*19.5*11.62.5894121.00214.002700.0089.30EC523C8552.2*24.2*13.45.5980180.00311.003600.00105.00EC703C8571.7*34.5*16.417.8281279.00639.003900.00144.00TYPETY

6、PE EEEE CORECOREEE05PC405.25*2.65*1.950.00132.635.00285.0012.60EE6.3PC406.1*2.85*7.950.00153.314.46405.0012.20EE8PC408.3*4.0*3.60.00917.0013.05590.0019.47EE10/11PC4010.2*5.5*4.750.028712.1023.70850.0026.60EE13PC4013.0*6.0*6.150.057017.1033.351130.0030.20EE16PC4016*7.2*4.80.076519.2039.851140.0035.00

7、EE19PC4019.1*7.95*5.00.124323.0054.041250.0039.40EE19/16PC4019.29*8.1*4.750.119122.4053.151350.0039.10EE20/20/5PC4020.15*10*5.10.157231.0050.701460.0043.00EE22PC4022*9.35*5.750.159041.0038.792180.0039.40EE2329SPC4023*14.7*60.436835.80122.001250.0064.90EE25/19PC4025.4*9.46*6.290.312840.0078.202000.00

8、48.70EE25.4PC4025.4*9.66*6.350.317340.3078.732000.0048.70EE2825PC4028*12.75*10.60.852586.9098.103300.0057.70EE30PC4030*13.15*10.70.7995109.0073.354690.0057.70EE30/30/7PC4030.1*15*7.050.745559.70124.872100.0066.90EE3528PC4034.6*14.3*9.31.339884.80158.002600.0069.70EE40PC4040*17*10.72.2000127.00173.23

9、4150.0077.00EE4133PC4041.5*17*12.72.8260157.00180.004200.0079.00EE42/21/15PC4042*21.2*154.9484178.00278.003800.0097.90EE42/21/20PC4042*21.2*206.4625235.00275.005000.0097.80EE47/39PC4047.12*19.63*15.624.7529242.00196.406660.0090.60EE50PC4050*21.3*14.65.7343226.00253.736110.0095.80EE55/55/21PC4055.15*

10、27.5*20.713.6764354.00386.347100.00123.00EE57/47PC4056.57*23.6*18.89.7132344.00282.368530.00102.00EE60PC4060*22.3*15.69.8558247.00399.025670.00110.00EE50.3PC4050.3*25.6*6.11.8447120.85152.642900.00104.90EE62.3/62/6PC4062.3*31*6.13.0330153.01198.223100.00125.74EE65/32/27PC4065.15*32.5*2730.7625535.00

11、575.008000.00147.00TYPETYPE EFEF CORECOREEF12.6PC4012.7*6.4*3.60.031113.0023.90810.0029.60EF16PC4016.1*8.05*4.50.080020.1039.821100.0037.60EF20PC4020*9.9*5.650.101333.5030.241570.0044.90EF25PC4025.05*12.55*7.20.237651.8045.872000.0057.80EF32PC4032.1*16.1*9.150.651583.2078.302590.0074.30TYPETYPE EFDE

12、FD CORECOREEFD103F310.5*5.2*2.70.00847.2011.60500.0023.70EFD123F312.5*6.2*3.50.018711.4016.38700.0028.50EFD153F315*7.5*4.650.047015.0031.35780.0034.00EFD203C8520*10*6.650.155031.0050.001300.0047.00EFD253C9025*12.5*9.10.393858.0067.892200.0057.00EFD303C9030*15*9.10.602869.0087.362100.0068.00TYPETYPE

13、EIEI CORECOREEI12.5PC4012.4*7.4*4.850.023514.4016.321200.0021.30EI16PC4016.0*12.2*4.80.083919.8042.371100.0034.60EI19PC4020*13.55*5.00.130524.0054.361400.0039.60EI22PC4022.0*14.55*5.750.160642.0038.242400.0039.30EI25PC4025.3*15.55*6.750.316541.0077.192140.0047.00EI22/19/6PC4022.0*14.7*5.750.198037.0

14、053.502000.0041.80EI28PC4028.0*16.75*10.60.600586.0069.834300.0048.20EI30PC4020.0*21.25*10.70.8207111.0073.944690.0058.00EI33/29/13PC4033.0*23.75*12.71.5854118.50133.794400.0067.50EI35PC4035.0*24.25*10.01.3343101.40131.593800.0067.10EI3530PC4035.0*24.2*121.6592122.00136.003950.0068.00EI40PC4040.0*27

15、.25*11.652.3301148.00157.444860.0077.00EI50PC4050.0*33.35*14.65.5218230.00240.086110.0094.00EI60PC4060.0*35.85*15.69.8024247.00396.865670.00109.00EI70PC4070.0*54.0*31.637.7618698.00541.0010500.00145.00TYPETYPE EPEP CORECOREEP73C859.4*3.75*6.50.010210.709.501120.0015.50EP103C8511.5*5.1*7.60.025511.30

16、22.571025.0019.30EP133C8512.8*6.5*9.00.045619.5023.401475.0024.20EP173C8518.0*8.4*11.00.121033.7035.902230.0029.50EP203C8524*10.7*150.499778.7063.503950.0041.10TYPETYPE EPCEPC CORECOREEPC10PC4410.2*4.05*3.40.00729.397.691000.0017.80EPC13PC4413.3*6.6*4.60.028812.5023.00870.0030.60EPC17PC4417.6*8.55*6

17、0.042622.8018.701150.0040.20EPC19PC4419.1*9.75*60.123522.7054.40940.0046.10EPC25PC4425.1*12.5*80.396746.4085.501560.0059.20EPC25BPC4425.1*11.43*6.50.206833.3062.101560.0046.20EPC27PC4427.1*16*80.589754.60108.001540.0073.10EPC30PC4430.1*17.5*80.713761.00117.001570.0081.60TYPETYPE ERER CORECOREER9.35

18、TP49.35*2.35*4.60.00598.207.241270.0013.70ER9.5 PC449.5*2.45*5.90.00548.476.40610.0014.20ER11.5 PC4410.83*2.45*40.007811.706.67870.0014.00ER14.5 PC4414.5*2.95*6.70.019017.6010.801280.0019.00ER1916 TP419.2*16*5.60.198528.8068.931140.0054.90ER25.5 PC4025.5*9.3*7.50.355744.8079.401920.0048.20ER25/51 TP

19、425.4*25.4*180.073452.8013.914330.0027.20ER28/28 PC4028.55*14*11.40.935982.10114.002870.0064.00ER28/34 PC4028.55*16.9*11.41.204781.40148.002520.0075.50ER30/16 TP430*8*200.8546107.5079.504500.0045.00ER30/35 TP430*17.5*11.21.356985.50158.702160.0075.40ER35/34 TP435*16.8*11.31.6178107.00151.203000.0072

20、.80ER35/41 PC4035*20.7*11.32.3326107.00218.002770.0090.80ER39/36 B139.1*17.8*12.52.7713125.00221.703850.0084.00ER39/42 B139.1*21.1*12.53.4975125.00279.803200.0096.00ER40/45PC4040*22.4*13.33.7101149.00249.003620.0098.00ER42/15 PC4042*22.4*15.54.3262194.00223.004690.0098.80ER42/20 PC4042.15*21.2*19.65

21、.4960240.00229.005340.0098.60ER49/54 N2749*27*17.29.0153243.00371.003500.00118.00ER54/363C8553.5*18.3*17.953.1500250.00126.006100.0091.80TYPETYPE ETDETD CORECOREETD19PC4019.6*13.65*7.40.291241.3070.501720.0054.60ETD24PC4024.4*14.45*8.50.574356.30102.002125.0061.90ETD29PC4029.8*15.8*9.51.068773.60145

22、.202500.0070.60ETD34PC4034.2*17.3*10.881.825597.10188.002780.0078.60ETD39PC4039.1*19.8*12.583.2125125.00257.003150.0092.10ETD44PC4044*22.3*14.95.3375175.00305.004000.00103.00ETD49PC4048.7*24.7*16.47.9875213.00375.004440.00114.00ETD54N2754.5*27.8*19.311.5360280.00412.004200.00127.00ETD59N2759.8*31.2*

23、22.117.4064368.00473.005000.00139.00TYPETYPE LPLP CORECORELP22/13PC4425*11.2*12.90.571767.9084.203310.0049.00LP23/8PC4416.5*11.7*8.70.185331.3059.201600.0044.10LP32/13PC4425*15.9*12.90.880970.30125.302630.0064.00TYPETYPE RMRM CORECORERM4PC4010.8*5.2*4.450.021814.0015.60680.0022.70RM5PC4014.3*5.2*6.6

24、0.043123.7018.201250.0022.40RM6PC4017.6*6.2*80.095236.6026.001600.0028.60RM8PC4022.75*8.2*10.80.313064.0048.901950.0038.00RM10PC4027.85*9.3*13.250.681198.0069.503630.0044.00RM12PC4036.75*11.7*161.5400140.00110.004150.0056.90RM14PC4041.6*14.4*18.72.9140188.00155.004600.0069.00TYPETYPE PTSPTS CORECORE

25、PTS14/83C8514.05*4.15*9.40.037417.0022.001750.0022.50PTS18/113C8518*5.3*11.940.106737.2028.672400.0028.70PTS23/113C8522.9*5.5*15.20.184657.2032.283560.0031.60PTS23/183C8522.9*9*15.20.361058.3061.922900.0045.10PTS30/193C8530*9.4*20.20.8864111.0079.864140.0050.20TYPETYPE PQPQ CORECOREPQ20/16PC4420.5*8

26、.1*140.291462.0047.003880.0037.40PQ20/20PC4420.5*10.1*140.408062.0065.803150.0045.70PQ26/20PC4426.5*10.1*190.7188119.0060.406170.0046.30PQ26/25PC4426.5*12.37*190.9971118.0084.505250.0055.50PQ32/20PC4432*10.27*221.3736170.0080.807310.0055.50PQ32/30PC4432*15.17*222.4086161.00149.605140.0074.60PQ35/35P

27、C4435.1*17.37*264.3238196.00220.604860.0087.90PQ40/40PC4440.5*19.87*286.5526201.00326.004300.00101.90PQ50/50PC4450*24.97*3214.2024328.00433.006720.00113.00TYPETYPE UUUU CORECOREUU8.5PC408.5*6.35*3.450.02517.7632.30560.0031.40UU9.8PC409.8*7.1*2.70.02697.6535.20500.0034.10UU10.1HS7210.1*7.5*2.90.03278

28、.6038.00515.0035.70UU10.5HS7210.5*7.9*50.073712.4059.40720.0040.50UU13.5PC4013.5*9.9*50.137416.3084.30800.0049.20UU15.22PC4015.2*11.2*6.70.204432.5062.901400.0050.50UU15.23PC4015.2*11.4*6.40.212131.9066.501360.0051.70UU15.7HS7215.7*9.7*60.208324.8084.001100.0050.00UU17PC4017*16.6*60.516526.90192.007

29、50.0078.30UU19.7HS7219.7*17.7*60.694836.00193.00980.0083.20UU21PC4020.8*15.8*7.70.561654.00104.001760.0068.60UU25PC4025*14*70.754649.00154.001530.0072.00功率估算 密码：1111VeVe WtWt P PCL 100kHz100kHz200mT200mTPtPt(100kHz)(100kHz)可可配配合合BOBBINBOBBINDET-B(T) J(A/MM2) ( ( mmmm3 ) ) ( ( g g ) ) 100100 (W)(W) (

30、 ( WattsWatts ) )幅幅寬寬PINPIN形形狀狀0.24.96530.0038.0021.58H10800.0060.0024.58H18800.00112.0028.312H40100.00254.0041.412/34H33.100.160.021.12.76-8H40.400.240.022.76H139.000.700.061.94.786H302.001.500.166.68V517.002.700.2357.410V672.003.300.318.56-10V H900.004.800.4296-8V H882.004.800.4196-8V H1340.007.50

31、0.511610.008.800.618.458V2320.0012.001.161940.009.100.91963.0010.000.95010.0026.002.519.610V6310.0032.002.913.710-12V4000.0022.001.515910.0029.002.9615.712V9810.0050.004.217.312V12470.0064.006.2519510.0088.008.823000.00116.0011.621930.00108.009.721600.00116.009.421.312V43700.00234.0011.0(150MT)35100

32、.00190.008.527100.00135.0012.523.812V12676.0068.005.8328.2512H19240.00102.008.8533.8512H78700.00399.005.9(100MT)385.002.000.173.510V754.003.900.321500.007.400.69CORECORE參參數數對對照照表表TYPETYPE ECEC CORECORETYPETYPE EEEE CORECORETYPETYPE EFEF CORECORE2990.0015.001.46180.0032.002.9171.000.450.0268H325.000.

33、900.047.68H510.001.400.068.88H1460.003.500.2713.58H3300.008.000.3816.410H4700.0012.000.5420.112H308.001.900.123.510V670.003.300.318.56-10H V950.005.100.429.056-8H V1630.009.800.68.451月8日V1927.009.800.799.88V1550.008.500.648.451月8日V4145.0022.001.659.610V6440.0034.003.113.710-12V8002.0041.003.516.612V

34、6804.0036.002.8515.71月12日V8350.0043.004.211300.0060.004.817.31月12日V21600.00115.009.221.312V27100.00139.001.2523.81月12日V101530.00 519.007.61(100MT)165.000.800.033.46H215.001.100.045.68H472.002.400.097.610H999.005.000.169.458H3230.0016.000.512.4510H167.001.100.0725.4382.002.100.148.66.910H917.004.500.

35、352010473.005.300.42712.212H2748.0013.001.116314.712H1539.0011.000.654514.712H3995.0018.001.568020.512H5035.0023.002.038522.812H111.800.55120.000.603.92.28V174.000.855.01.910VTYPETYPE EFDEFD CORECORETYPETYPE EIEI CORECORETYPETYPE EPEP CORECORETYPETYPE EPCEPC CORECORETYPETYPE ERER CORECORE333.001.009.51.9101584.101.802160.0011.000.988710.610V1435.708.105257.0028.002.320316.1/16.710-12H V6143.0033.002.722821.8/22.410-12H V4833.8025.006673.0032.007790.0051.0026.412V9682.0052.004.232526.112-16V10530.0056.0028.212V12000.0057.1028.416V14587.0078.006.342127.816V19163.00102.008.64