RCC反激电路设计表1

RCC Design_Rev1.02 Copyright Wuming Electric Inc. 2003 输入 信息 输出 单位 RCC Design_Rev1.02.xls: RCC Flyback Transformer Design Spreadsheet ENTER APPLICATION VARIABLES Customer VACMIN 200 Volts Minimum AC Input Voltage VACMAX 240 Volts Maximum AC Input Voltage Fmin 70 KHz Minimum OSC Frequency VO 5 Volts Output Voltage IO 0.7 Amps Output Current eta 0.7 Efficiency Estimate Z 1 Loss Allocation Factor tC 3 mSecondsBridge Rectifier Conduction Time Estimate CIN 6.8 uFarads Input Filter Capacitor D 0.2 T 14.2857143 uS Max Time of Cycle Ton 2.85714286 uS On time of Cycle Toff 11.4285714 uS Off time of Cycle d 2 A/mm^2 副边线圈电流密度 ENTER Output Diode Parameters Output Diode 1N5819 VR 40 Volts Diode Maximum Peak Repetitive Reverse Voltage ID 2 Amps Diode Average Forward Current VD 0.6 Volts Diode Forward Voltage drop Vo_1 12 Volts Auxiliary Output Voltage VD_1 0.6 Volts Auxiliary Diode Forward Voltage Drop Io_1 Amps Auxiliary Output Current Vo_2 5 Volts secound Output Voltage VD_2 0.6 Volts secound Diode Forward Voltage Drop Io_2 Amps secound Output Current Vo_3 5 Volts thired Output Voltage VD_3 0.6 Volts thired Diode Forward Voltage Drop Io_3 Amps thired Output Current PO 3.5 Output Power P 6.1 Total Power VB 23 Volts Driver Output Voltage VD_B 0.1 IB 0.015 A Driver Output Current IB_min 0.014375 A ENTER Other Parameters BP 2000 Gauss Target Peak Flux Density at Maximum Current limit Direct Switch Type MJE13001 Bvceo 450 Volts Imax 0.5 Amps Hfe 16 Design Parameters VMIN 272 Volts Minimum DC Input Voltage VMAX 339 Volts Maximum DC Input Voltage IP 0.23 Amps Peak Primary current N12 0.08 LP 3377 uHenriesMinimum Primary Inductance LS 22.85714 uHenries RS 3 OM ENTER TRANSFORMER CORE/CONSTRUCTION Core Type ee16 EE16 AE 0.192 cm^2 Core Effective Cross Sectional Area LE 3.5 cm Core Effective Path Length AL 1140 nH/T^2 Ungapped Core Effective Inductance BW 8.5 mm Bobbin Physical Winding Width M 1 mm Safety Margin Width Lg 0.30 mm Gap Length NON GLASS BEAD Construction NP 203 Turns Number of Primary Turns NS 17 Turns Number of Secondary Turns NB 18 Turns RB < 1434 OM PIV 28 Volts N1 38 Turns Auxiliary Number of Turns PIV1 64 Volts Auxiliary Rectifier Maximum Peak Inverse Voltage RCC 反激式电路设计表 PDF 文件使用 "FinePrint pdfFactory Pro" 试用版本创建 www.fineprint.com.cn RCC Design_Rev1.02 Copyright Wuming Electric Inc. 2003 输入 信息 输出 单位 RCC Design_Rev1.02.xls: RCC Flyback Transformer Design Spreadsheet RCC 反激式电路设计表 N2 17 Turns Auxiliary Number of Turns PIV2 28 Volts Auxiliary Rectifier Maximum Peak Inverse Voltage N3 17 Turns Auxiliary Number of Turns PIV3 28 Volts Auxiliary Rectifier Maximum Peak Inverse Voltage Vc 4.8 Volts 稳压电容上电压 Vz 5.1 Volts 稳压管电压 Rp >0.0184 Wate 3.48 OM 电流检测（电流限制）电阻 CURRENT WAVEFORM SHAPE PARAMETERS IAVGmax 0.02 Amps Maximum Average Primary Current IAVGmin 0.01 Amps Minimum Average Primary Current IRMS 0.09 Amps Primary RMS Current IR 0.28 Amps Primary Ripple Current ISP 2.80 Amps Maximum Peak Secondary Current ISRMS 1.14 Amps Secondary RMS current IRIPPLE 0.90 Amps Output Capacitor RMS Ripple Current ISPMAX 3.05 Amps Maximum Power Peak Secondary Current TRANSFORMER PARAMETERS L 5 Number of Primary Layers BM 1993 Gauss Operating Flux Density at Max Current Limit BAC 989 Gauss AC Flux Density for Core Loss Curves (0.5 X Peak to Peak) ur 1654 Relative Permeability of Ungapped Core BWE 32.5 mm Effective Bobbin Width OD 0.16 mm Maximum Primary Wire Diameter including insulation INS 0.04 mm Taping between primary layers can be eliminated using "Class 0" (Asia), "Grade 2"(Europe) or "Heavy Nyleze" (USA) wire DIA 0.12 mm Bare conductor diameter AWG 37 AWG Primary Wire Gauge (for low capacitance AWG<= 36 recommended) CM 20 Cmils Bare conductor effective area in circular mils CMA 215 Cmils/AmpPrimary Winding Current Capacity (CMA > 200) CMS 245 Cmils Secondary Bare Conductor minimum circular mils AWGS 26 AWG Secondary Wire Gauge (Rounded up to next larger standard AWG value) DIAS 0.41 mm Secondary Minimum Bare Conductor Diameter DIA1 mm 第一副绕组线直径 DIA2 mm 第二副绕组线直径 DIA3 mm 第三副绕组线直径 Sc 11.66 mm^2 绕组占窗口静面积 PDF 文件使用 "FinePrint pdfFactory Pro" 试用版本创建 www.fineprint.com.cn