©2008 Fairchild Semiconductor Corporation

FDD8878 / FDU8878 Rev. A4

www.fairchildsemi.com

10

SABER Electrical Model

rev February 2004

template FDD8878 n2,n1,n3 =m_temp

electrical n2,n1,n3

number m_temp=25

{

var i iscl

dp..model dbodymod = (isl=2.6e-12,ikf=8,nl=1.01,rs=6.4e-3,trs1=8e-4,trs2=2e-7,cjo=3.4e-10,m=0.53,tt=1e-17,xti=2)

dp..model dbreakmod = (rs=1.4,trs1=1e-3,trs2=-5e-6)

dp..model dplcapmod = (cjo=3.4e-10,isl=10e-30,nl=10,m=0.39)

m..model mmedmod = (type=_n,vto=1.75,kp=7,is=1e-30, tox=1)

m..model mstrongmod = (type=_n,vto=2.2,kp=100,is=1e-30, tox=1)

m..model mweakmod = (type=_n,vto=1.45,kp=0.03,is=1e-30, tox=1,rs=0.1)

sw_vcsp..model s1amod = (ron=1e-5,roff=0.1,von=-4.5,voff=-3.5)

sw_vcsp..model s1bmod = (ron=1e-5,roff=0.1,von=-3.5,voff=-4.5)

sw_vcsp..model s2amod = (ron=1e-5,roff=0.1,von=-2,voff=-1)

sw_vcsp..model s2bmod = (ron=1e-5,roff=0.1,von=-1,voff=-2)

c.ca n12 n8 = 8.6e-10

c.cb n15 n14 = 7.2e-10

c.cin n6 n8 = 8e-10

dp.dbody n7 n5 = model=dbodymod

dp.dbreak n5 n11 = model=dbreakmod

dp.dplcap n10 n5 = model=dplcapmod

spe.ebreak n11 n7 n17 n18 = 32.97

spe.eds n14 n8 n5 n8 = 1

spe.egs n13 n8 n6 n8 = 1

spe.esg n6 n10 n6 n8 = 1

spe.evthres n6 n21 n19 n8 = 1

spe.evtemp n20 n6 n18 n22 = 1

i.it n8 n17 = 1

l.lgate n1 n9 = 5.4e-9

l.ldrain n2 n5 = 1.0e-9

l.lsource n3 n7 = 2e-9

res.rlgate n1 n9 = 54

res.rldrain n2 n5 = 10

res.rlsource n3 n7 = 20

m.mmed n16 n6 n8 n8 = model=mmedmod, l=1u, w=1u, temp=m_temp

m.mstrong n16 n6 n8 n8 = model=mstrongmod, l=1u, w=1u, temp=m_temp

m.mweak n16 n21 n8 n8 = model=mweakmod, l=1u, w=1u, temp=m_temp

res.rbreak n17 n18 = 1, tc1=8.3e-4,tc2=-8e-7

res.rdrain n50 n16 = 6.9e-3, tc1=1e-4,tc2=7.5e-6

res.rgate n9 n20 = 3.1

res.rslc1 n5 n51 = 1e-6, tc1=9e-4,tc2=1e-6

res.rslc2 n5 n50 = 1e3

res.rsource n8 n7 = 2.7e-3, tc1=1.3e-2,tc2=2e-6

res.rvthres n22 n8 = 1, tc1=-1.7e-3,tc2=-8e-6

res.rvtemp n18 n19 = 1, tc1=-2.2e-3,tc2=2e-7

sw_vcsp.s1a n6 n12 n13 n8 = model=s1amod

sw_vcsp.s1b n13 n12 n13 n8 = model=s1bmod

sw_vcsp.s2a n6 n15 n14 n13 = model=s2amod

sw_vcsp.s2b n13 n15 n14 n13 = model=s2bmod

v.vbat n22 n19 = dc=1

equations {

i (n51->n50) +=iscl

iscl: v(n51,n50) = ((v(n5,n51)/(1e-9+abs(v(n5,n51))))*((abs(v(n5,n51)*1e6/125))** 5))

}

}

18

22

+

-

6

8

+

-

19

8

+

-

17

18

6

8

+

-

5

8

+

-

RBREAK

RVTEMP

VBAT

RVTHRES

IT

17

18

19

22

12

13

15

S1A

S1B

S2A

S2B

CA

CB

EGS

EDS

14

8

13

8

14

13

MWEAK

EBREAK

DBODY

RSOURCE

SOURCE

11

7

3

LSOURCE

RLSOURCE

CIN

RDRAIN

EVTHRES

16

21

8

MMED

MSTRO

DRAIN

2

LDRAIN

RLDRAIN

DBREAK

DPLCAP

ISCL

RSLC1

10

5

51

50

RSLC2

1

GATE

RGATE

EVTEMP

9

ESG

LGATE

RLGATE

20

+

-

+

-

+

-

6