©2002 Fairchild Semiconductor Corporation

FDB2552 / FDP2552 Rev. B

PSPICE Electrical Model

.SUBCKT FDP2552 2 1 3 ;

rev May 2002

Ca 12 8 1e-9

Cb 15 14 1e-9

Cin 6 8 2.65e-9

Dbody 7 5 DbodyMOD

Dbreak 5 11 DbreakMOD

Dplcap 10 5 DplcapMOD

Ebreak 11 7 17 18 178

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 7.15e-9

Ldrain 2 5 1.0e-9

Lsource 3 7 2.3e-9

RLgate 1 9 71.5

RLdrain 2 5 10

RLsource 3 7 23

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 2.5e-2

Rgate 9 20 1.04

RSLC1 5 51 RSLCMOD 1.0e-6

RSLC2 5 50 1.0e3

Rsource 8 7 RsourceMOD 4.6e-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

Vbat 22 19 DC 1

ESLC 51 50 VALUE={(V(5,51)/ABS(V(5,51)))*(PWR(V(5,51)/(1e-6*75),3))}

.MODEL DbodyMOD D (IS=2.6E-11 N=1.09 RS=2.6e-3 TRS1=3.0e-3 TRS2=1.5e-6

+ CJO=1.9e-9 M=0.62 TT=5.1e-8 XTI=4.2)

.MODEL DbreakMOD D (RS=0.3 TRS1=3.0e-3 TRS2=-8.9e-6)

.MODEL DplcapMOD D (CJO=5.7e-10 IS=1.0e-30 N=10 M=0.58)

.MODEL MmedMOD NMOS (VTO=3.5 KP=6 IS=1e-30 N=10 TOX=1 L=1u W=1u RG=1.04)

.MODEL MstroMOD NMOS (VTO=4.15 KP=80 IS=1e-30 N=10 TOX=1 L=1u W=1u)

.MODEL MweakMOD NMOS (VTO=2.91 KP=0.03 IS=1e-30 N=10 TOX=1 L=1u W=1u RG=10.4 RS=0.1)

.MODEL RbreakMOD RES (TC1=1.1e-3 TC2=-2e-6)

.MODEL RdrainMOD RES (TC1=8.5e-3 TC2=2.5e-5)

.MODEL RSLCMOD RES (TC1=3.4e-3 TC2=1.5e-6)

.MODEL RsourceMOD RES (TC1=4.0e-3 TC2=1.0e-6)

.MODEL RvthresMOD RES (TC1=-4.3e-3 TC2=-1.6e-5)

.MODEL RvtempMOD RES (TC1=-4.1e-3 TC2=1.5e-6)

.MODEL S1AMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-6.0 VOFF=-4.0)

.MODEL S1BMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-4.0 VOFF=-6.0)

.MODEL S2AMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-2 VOFF=-0.5)

.MODEL S2BMOD VSWITCH (RON=1e-5 ROFF=0.1 VON=-0.5 VOFF=-2)

.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