LLC自动计算表格(150W-LED电源-12V-12.5A)

LLC变换器设计计算表格预选参数组1预选参数组1预选参数组3设定变压器磁芯截面积Ae（平方米）0.0001630.0001630.000162设定Coss（pF）100100100设定Cstay（pF）100100100设定delB（双向，atfr，=2*Bmax）0.230.230.22设定PFC母线最低工作电压Vin-min（V）340340340设定PFC母线最低工作电压Vin-max（V）420420420设定PFC母线额定电压Ve（V）398398405设定输出电压Vo（V）12.512.524设定输出线路压降（V）0.20.20.2设定输出电流Io（A）13.515.57.2设定K值6.705.305.90预设谐振频率fr（Hz）8500085000100000计算变比n15.6715.678.37最高输入电压时的增益Gmin0.9480.9480.964最低输入电压时的增益Gmax1.1711.1711.191计算输出负载阻值0.930.813.33计算反射到原边的交流电阻184.46160.66189.38计算Q值0.3700.4350.390计算Im（励磁电流峰值，fmax下）0.9431.1931.102计算Ip0.6300.6300.630计算Im（励磁电流峰值，fr下）1.1891.4191.247应满足Im》IpTRUETRUETRUE计算fmin507025450360392计算fmax107120101088113120计算Ls（uH）128131118计算Lp（uH）857694694计算Cr（nF）27.4426.7921.55计算原边绕组电流有效值1.091.271.09计算原边绕组电流峰值1.531.791.54MOS电流有效值0.770.890.77副边每个绕组电流峰值（正弦）21.224.311.3副边每个绕组电流有效值（正弦）10.612.25.7副边二极管应力（V）252548副边二极管平均电流（A）6.7507.7503.600谐振电容电流有效值1.0851.2651.092谐振电容电压有效值315335324输出电容纹波电流有效值6.57.53.5实际变比16.116.18.6初级最少匝数（fr处）32.032.029.1取原边匝数323225副边匝数1.991.992.91计算谐振频率处实际工作delB0.2300.2300.256计算最低频率处实际工作delB0.390.360.36设定启动过程开关频率（KHZ）330330330设定Cf（pF）330330330设定最低频率507025450360392LLC控制芯片L6599外围参数设计计算结果输入、输出参数说明：使用时，在白色可编辑栏目中写进设计条件即可。解锁密码：123设定最高频率（考虑到电压下调的需要，选择的最高频率比前面表格计算的最高频率会高）200000200000200002计算R-fmin199221853316726计算R-fmax253726032713计算软启动电阻361736663747计算软启动电容最小值（uF）111电流检测串联电容（pF）219219221电流检测放电电阻（欧）207173160建议取值检测电阻（为动态和开机瞬间留出50%裕量）1038780实际取值检测电阻686856检测电容（uF）2.902.702.96设定V-on380380380设定V-off335335335计算R-h(K欧)300030003000计算R-L(K欧)11.2411.2411.24预选参数组4预选参数组5预选参数组60.0001620.0001620.0001621001001001001001000.220.220.223403403404204204204054054052424240.20.20.27.27.27.25.905.905.901000001000001000008.378.378.370.9640.9640.9641.1911.1911.1913.333.333.33189.38189.38189.380.3900.3900.3901.1021.1020.4160.6300.6300.6301.2471.2471.247TRUETRUETRUE33000603926039211312011312030000011811811869469469421.5521.5521.551.091.091.091.541.541.540.770.770.7711.311.311.35.75.75.74848483.6003.6003.6001.0921.0921.0923243243243.53.53.58.68.68.629.129.129.12727263.153.153.030.2370.2370.2470.670.360.36330330330330330330330006039260392LLC控制芯片L6599外围参数设计输入、输出参数说明：使用时，在白色可编辑栏目中写进设计条件即可。解锁密码：1232000032000042000053060916726167262268271327133401374737471112222232241591591588079798275753.702.212.2138038038033533533530003000300011.2411.2411.24