輸入?yún)?shù),,,,中間計(jì)算結(jié)果提示,,Flyback變壓器設(shè)計(jì)：,,,,中間計(jì)算結(jié)果提示,,,Flyback部分芯片外圍電路,,,,中間計(jì)算結(jié)果提示

最小輸入電壓,Vbus_min,250,VDC,,,匝比取值范圍,,"匝比范圍[1.4,2.44]",,根據(jù)根據(jù)器件應(yīng)力選擇,,,CS引腳,,,,

額定輸入電壓,Vbus_nom,412,VDC,,,選擇匝比,Nps,2.70,,,,,CS2電阻計(jì)算,Rcs_cal,0.42,Ω,

最大輸入電壓,Vbus_max,420,VDC,,,感量計(jì)算值,Lm_est,1679,uH,根據(jù)頻率和匝比計(jì)算電感量,,,0.47Ω,0.47Ω,0.33Ω,,選擇CS2各并聯(lián)阻值

輸出參數(shù)：,,,,,,選擇電感量,Lm_fb,1700,uH,,,,等效CS2電阻,Rcs2,0.14,Ω,

輸出LED電流,Iout,0.65,A,,,最大磁通,Bmax,0.275,T,取值合理,,,CS2電阻損耗,Pcs2,0.01,W,

最小帶載電壓,Vo_min,25,VDC,,,選擇磁芯,Core,EF25,,,,,CS2電壓峰值,Vcs2pk,0.11,V,逐周期限流閾值0.35V

最大帶載電壓,Vo_max,40,VDC,,,實(shí)際有效截面積,Ae,44,mm2,EF25的Ae值為51.8mm2,,,實(shí)際輸出LED電流,Iout_cal,1.97,A,根據(jù)layout微調(diào)電流

空載最大電壓,Vo_ovp,50,V,,,原邊圈數(shù)計(jì)算值,Np_est,109,圈,根據(jù)Bmax值計(jì)算,,,ROVP引腳,,,,

Flyback輸出紋波,Vpp_FB,0.077,V,,,選擇原邊圈數(shù),Np,90,圈,,,,Rrovp電阻,Rovp_cal,15.75,kΩ,

Flyback級(jí)效率,ηfb,0.9,,,,副邊圈數(shù)計(jì)算值,Ns_est,33,圈,根據(jù)匝比和所選原邊圈數(shù)計(jì)算,,,ROVP電阻1,ROVP_1,18,kΩ,

其它參數(shù)：,,,,,,反激變壓器副邊圈數(shù),Ns,40,圈,,,,ROVP電阻1,ROVP_2,68,kΩ,

最小QR頻率,Fsw_fb_min,58,kHz,@Vbus_min&Vo_max,,設(shè)置VCC電壓,VCC,24,V,繞組供電可選,,,等效ROVP電阻,ROVP_eq,14.2,kΩ,

MOS振鈴電壓,Vspike,100,V,80-150V,,供電繞組圈數(shù),Naux_est,24,圈,,,,實(shí)際VOVP電壓,VOVP_real,46.5275402,V,根據(jù)layout微調(diào)電壓

DIODE正向壓降,VF,1,V,,,反激變壓器供電圈數(shù),Naux,20,圈,,,,,,,,

DIODE振鈴,Vring,20,V,10-30V,,原邊電流密度,J_p,6,A/mm2,,,,,,,,

半導(dǎo)體元器件選擇：,,,,,,副邊電流密度,J_s,8,A/mm2,,,,,,,,

MOS擊穿電壓,VDSS,650,V,,,原邊股數(shù),Strand_p,1,,,,,,,,,

MOS最大電壓,Vdsmax,620,V,,,副邊股數(shù),Strand_s,1,,,,,,,,,

MOS降額系數(shù),Kmos,0.953846154,,,,原邊線徑計(jì)算值,Dw_pri1,25,mm,根據(jù)電流密度計(jì)算值,,,,,,,

DIODE耐壓,VRRM,400,V,,,原邊線徑,Dw_pri,0.33,mm,,,,,,,,

DIODE降額,Kdiode,0.9,,,,副邊線徑計(jì)算值,Dw_se1c,0.4,mm,根據(jù)電流密度計(jì)算值,,,,,,,

FlybackMOSCds,Cd_fb,9,pF,,,副邊線徑,Dw_sec,0.5,mm,,,,,,,,

輸出電解電容選擇：,,,,,,主回路電壓電流計(jì)算：,,,,,,,,,,,

電解容量,Cout,100,uF,根據(jù)紋波限制應(yīng)>48uF,,輸入電壓,VIN,250,412,420,VDC,,,,,,

電解ESR,ESR,10,mΩ,根據(jù)電容值應(yīng)<37.7mΩ,,MOSDS電壓,VDS,461,623,631,V,,,,,,

,,,,,,DIODE反向電壓,Vdiode,114,175,178,V,,,,,,

,,,,,,原邊電流峰值,Ip_pk,0.77,0.68,0.68,A,,,,,,

,,,,,,原邊電流有效值,Ip_rms,0.24,0.18,0.18,A,,,,,,

,,,,,,副邊電流峰值,Is_pk,2.04,1.81,1.80,A,,,,,,

,,,,,,副邊電流有效值,Is_rms,0.99,0.93,0.93,A,,,,,,

,,,,,,輸出電解電流,Ic_rms,0.66,0.66,0.66,A,,,,,,

,,,,,,MOS導(dǎo)通時(shí)間,Ton,5.24,2.81,2.75,us,"Ton<Ton_max=35u