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 0.0045
R_R23 VIN N24126 0.1
D_D7 N24202 VIN Dbreak
R_R33 +VOUT1 N25120 9.5k
R_R19 0 +VOUT1 3
C_C1 RTCT 0 2.2n
C_C17 VDD 0 0.1uF IC=0
C_C16 VDD 0 1.0uF IC=0
C_C3 +VOUT1 N245321 330u IC=0
C_C19 N25164 N25120 1nF
R_R31 CS N25444 4.99k
X_U14 COMP 0 CS RTCT 0 OUT VDD VREF UCC28C43_START
C_C5 CS 0 330pF
X_F1 N24948 N25164 COMP 0 SCHEMATIC1_F1
R_R18 0 +VOUT1 8.2k
R_R35 N25164 N25430 1k
X_U15 N25164 0 N25120 TL431
C_C2 VIN 0 150u IC=0
R_R34 N25120 0 2.5k
C_C18 N25430 N25120 68nF
R_R1 RTCT VREF 7.8k
R_R25 SW_SEC N24402 0.05
Q_Q1 VREF RTCT N25444 QbreakN
V_V2 VDD 0
+PULSE 0 15 25m 500u 50u 1 2
C_C10 0 VIN 0.15uF
D_D10 N24206 VIN Dbreak
R_R14 0 N25460 0.3
R_R13 0 N25332 10k
D_D8 0 N24206 Dbreak
R_R10 CS N25460 1k
R_R32 COMP VREF 2.5k
R_R37 N24210 N24202 1
R_R12 OUT N25332 10
C_C8 VREF 0 0.1uF
V_V3 N24210 N24206 DC 0 AC 0
+SIN 0 120 60 0 0 0
R_R36 +VOUT1 N24948 2.5k
D_D9 0 N24202 Dbreak
X_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 1m
X_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 4
F_F1 3 4 VF_F1 1
VF_F1 1 2 0V
.ends SCHEMATIC1_F1
**** RESUMING flybcak.cir ****
.END
