HUFA76404DK8T Rev. B

www.fairchildsemi.com

9

PSPICE Electrical Model

.SUBCKT HUFA76404DK8T 2 1 3 ;

rev March 2004

Ca 12 8 3.8e-10

Cb 15 14 3.8e-10

Cin 6 8 2.6e-10

Dbody 7 5 DbodyMOD

Dbreak 5 11 DbreakMOD

Dplcap 10 5 DplcapMOD

Ebreak 11 7 17 18 62.5

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

It 8 17 1

Lgate 1 9 2.22e-9

Ldrain 2 5 1.0e-9

Lsource 3 7 0.93e-9

RLgate 1 9 22.2

RLdrain 2 5 10

RLsource 3 7 9.3

Mmed 16 6 8 8 MmedMOD

Mstro 16 6 8 8 MstroMOD

Mweak 16 21 8 8 MweakMOD

Rbreak 17 18 RbreakMOD 1

Rdrain 50 16 RdrainMOD 2.4e-2

Rgate 9 20 103.3

RSLC1 5 51 RSLCMOD 1.0e-6

RSLC2 5 50 1.0e3

Rsource 8 7 RsourceMOD 5.4e-2

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

Vbat 22 19 DC 1

ESLC 51 50 VALUE={(V(5,51)/ABS(V(5,51)))*(PWR(V(5,51)/(1e-6*18),3.7))}

.MODEL DbodyMOD D (IS=1.1E-12 N=1.03 RS=2.7e-2 TRS1=5.0e-4 TRS2=1.3e-6

+ CJO=6.82e-10 M=0.85 TT=1.6e-8 XTI=4.0)

.MODEL DbreakMOD D (RS=1.65 TRS1=1.0e-3 TRS2=-9e-6)

.MODEL DplcapMOD D (CJO=1.7e-10 IS=1.0e-30 N=10 M=0.85)

.MODEL MstroMOD NMOS (VTO=2.13 KP=19 IS=1e-30 N=10 TOX=1 L=1u W=1u T_ABS=25)

.MODEL MmedMOD NMOS (VTO=1.81 KP=1.08 IS=1e-30 N=10 TOX=1 L=1u W=1u RG=103.3 T_ABS=25)

.MODEL MweakMOD NMOS (VTO=1.59 KP=0.04 IS=1e-30 N=10 TOX=1 L=1u W=1u RG=103.3e1 RS=0.1 T_ABS=25)

.MODEL RbreakMOD RES (TC1=1.12e-3 TC2=-3e-7)

.MODEL RdrainMOD RES (TC1=1.0e-2 TC2=5e-5)

.MODEL RSLCMOD RES (TC1=2.8e-3 TC2=1.9e-5)

.MODEL RsourceMOD RES (TC1=4e-3 TC2=1e-6)

.MODEL RvthresMOD RES (TC1=-2.1e-3 TC2=-3.3e-6)

.MODEL RvtempMOD RES (TC1=-1.6e-3 TC2=1.0e-6)

.MODEL S1AMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-4 VOFF=-1)

.MODEL S1BMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-1 VOFF=-4)

.MODEL S2AMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-0.5 VOFF=0.5)

.MODEL S2BMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=0.5 VOFF=-0.5)

.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.

18

22

+

-

6

8

+

-

5

51

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

ESLC

RSLC1

10

5

51

50

RSLC2

1

GATE

RGATE

EVTEMP

9

ESG

LGATE

RLGATE

20

+

-

+

-

+

-

6