PSPICE Electrical Model
.SUBCKT FDS8880 2 1 3 ;
Ca 12 8 9.3e-10
rev August 2004
Cb 15 14 9.3e-10
Cin 6 8 1.15e-9
Dbody 7 5 DbodyMOD
Dbreak 5 11 DbreakMOD
Dplcap 10 5 DplcapMOD
LDRAIN
DPLCAP
DRAIN
2
5
10
Ebreak 11 7 17 18 33.5
Eds 14 8 5 8 1
Egs 13 8 6 8 1
Esg 6 10 6 8 1
Evthres 6 21 19 8 1
Evtemp 20 6 18 22 1
RLDRAIN
RSLC1
51
DBREAK
+
RSLC2
5
ESLC
11
51
-
+
50
-
17
DBODY
RDRAIN
6
8
EBREAK 18
-
ESG
It 8 17 1
EVTHRES
+
16
21
+
-
19
8
MWEAK
Lgate 1 9 3.6e-9
Ldrain 2 5 1.0e-9
Lsource 3 7 1.2e-10
LGATE
EVTEMP
RGATE
GATE
1
+
6
-
18
22
MMED
9
20
MSTRO
8
RLGATE
RLgate 1 9 36
RLdrain 2 5 10
RLsource 3 7 1.2
LSOURCE
CIN
SOURCE
3
7
RSOURCE
RLSOURCE
Mmed 16 6 8 8 MmedMOD
Mstro 16 6 8 8 MstroMOD
Mweak 16 21 8 8 MweakMOD
S1A
S2A
RBREAK
12
15
13
8
14
13
17
18
RVTEMP
19
-
S1B
S2B
Rbreak 17 18 RbreakMOD 1
Rdrain 50 16 RdrainMOD 2.9e-3
Rgate 9 20 2.5
RSLC1 5 51 RSLCMOD 1e-6
RSLC2 5 50 1e3
Rsource 8 7 RsourceMOD 5.4e-3
Rvthres 22 8 RvthresMOD 1
Rvtemp 18 19 RvtempMOD 1
S1a 6 12 13 8 S1AMOD
S1b 13 12 13 8 S1BMOD
S2a 6 15 14 13 S2AMOD
S2b 13 15 14 13 S2BMOD
13
CB
CA
IT
14
+
+
VBAT
6
8
5
8
EGS
EDS
+
-
-
8
22
RVTHRES
Vbat 22 19 DC 1
ESLC 51 50 VALUE={(V(5,51)/ABS(V(5,51)))*(PWR(V(5,51)/(1e-6*170),5))}
.MODEL DbodyMOD D (IS=2.6E-12 IKF=10 N=1.01 RS=5.6e-3 TRS1=8e-4 TRS2=2e-7
+ CJO=5e-10 M=0.55 TT=1e-11 XTI=2)
.MODEL DbreakMOD D (RS=0.2 TRS1=1e-3 TRS2=-8.9e-6)
.MODEL DplcapMOD D (CJO=4.27e-10 IS=1e-30 N=10 M=0.38)
.MODEL MmedMOD NMOS (VTO=1.8 KP=5 IS=1e-30 N=10 TOX=1 L=1u W=1u RG=2.5)
.MODEL MstroMOD NMOS (VTO=2.21 KP=150 IS=1e-30 N=10 TOX=1 L=1u W=1u)
.MODEL MweakMOD NMOS (VTO=1.53 KP=0.05 IS=1e-30 N=10 TOX=1 L=1u W=1u RG=25 RS=0.1)
.MODEL RbreakMOD RES (TC1=8.3e-4 TC2=-8e-7)
.MODEL RdrainMOD RES (TC1=5.5e-3 TC2=1.2e-5)
.MODEL RSLCMOD RES (TC1=1e-4 TC2=1e-6)
.MODEL RsourceMOD RES (TC1=1e-3 TC2=3e-6)
.MODEL RvthresMOD RES (TC1=-1.5e-3 TC2=-6e-6)
.MODEL RvtempMOD RES (TC1=-1.8e-3 TC2=2e-7)
.MODEL S1AMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-4 VOFF=-3.5)
.MODEL S1BMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-3.5 VOFF=-4)
.MODEL S2AMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-1.5 VOFF=-1.0)
.MODEL S2BMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-1.0 VOFF=-1.5)
.ENDS
Note: For further discussion of the PSPICE model, consult A New PSPICE Sub-Circuit for the Power MOSFET Featuring Global
Temperature Options; IEEE Power Electronics Specialist Conference Records, 1991, written by William J. Hepp and C. Frank
Wheatley.
9
www.fairchildsemi.com
FDS8880 Rev. A1
FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
