Part Number:UCC28C43Other Parts Discussed in Thread: TL431
HI, 在仿真 UCC28C43_STU\For Stu_orignal 始终报错,报错现象如标题所示,这个‘ tranformer’是那个参数,如何修改,还请协助看下。具体资料详细见附件。For Stu_orignal.zip
**** INCLUDING SCHEMATIC1.net ****
* source FLYBACK SIMULATION
R_R3 N245321 0 0.0045R_R23 VIN N24126 0.1D_D7 N24202 VIN DbreakR_R33 +VOUT1 N25120 9.5kR_R19 0 +VOUT1 3C_C1 RTCT 0 2.2nC_C17 VDD 0 0.1uF IC=0C_C16 VDD 0 1.0uF IC=0C_C3 +VOUT1 N245321 330u IC=0C_C19 N25164 N25120 1nFR_R31 CS N25444 4.99kX_U14 COMP 0 CS RTCT 0 OUT VDD VREF UCC28C43_START
C_C5 CS 0 330pFX_F1 N24948 N25164 COMP 0 SCHEMATIC1_F1R_R18 0 +VOUT1 8.2kR_R35 N25164 N25430 1kX_U15 N25164 0 N25120 TL431
C_C2 VIN 0 150u IC=0R_R34 N25120 0 2.5kC_C18 N25430 N25120 68nFR_R1 RTCT VREF 7.8kR_R25 SW_SEC N24402 0.05Q_Q1 VREF RTCT N25444 QbreakNV_V2 VDD 0+PULSE 0 15 25m 500u 50u 1 2
C_C10 0 VIN 0.15uFD_D10 N24206 VIN DbreakR_R14 0 N25460 0.3R_R13 0 N25332 10kD_D8 0 N24206 DbreakR_R10 CS N25460 1kR_R32 COMP VREF 2.5kR_R37 N24210 N24202 1R_R12 OUT N25332 10C_C8 VREF 0 0.1uFV_V3 N24210 N24206 DC 0 AC 0
+SIN 0 120 60 0 0 0
R_R36 +VOUT1 N24948 2.5kD_D9 0 N24202 DbreakX_M1 SW_PRI N25332 N25460 power_nmos_p PARAMS: BVDSS=650 IDSS=1u
+ VGS_TH=1.5 RDSON=0.0059 GFS=44 CISS=1170p COSS=136p CRSS=58p RG=1.8 VSD=0.8
+ QG=17.2n V_QG=10
X_D11 N24402 +VOUT1 power_diode_p PARAMS: I_REV_LEAK=1e-5
+ CT_ZERO_VOLTS=300p V_BR=100 VJ_KNEE=0.9 VJ_SPEC=1.6 IF_SPEC=10
L_L1 N24126 SW_PRI 1mX_U16 N24126 SW_PRI 0 SW_SEC XFMR PARAMS: RATIO=0.154
.PARAM lm=tranformer inductance ratio=turn ration(sec/pri) cout=output
———–$
ERROR(ORPSIM-16152): Invalid number: Error while converting token 'tranformer' to double value. Token can be a constant or expression
+ capacitance cin=input capacitance rload=load resistor cout_esr=output
+ capacitor esr
.subckt SCHEMATIC1_F1 1 2 3 4F_F1 3 4 VF_F1 1
VF_F1 1 2 0V
.ends SCHEMATIC1_F1
**** RESUMING flybcak.cir ****
.END
Johnsin Tao:
Hi
应该是没法改变的,如果要修改变压器参数,需要修改模型。
建议你在美国E2E上问一下: https://e2e.ti.com/, 他们应该有模型的工程师可以帮到你。