6-7

PSPICE Electrical Model

.SUBCKT RFD3055LE 2 1 3 ;

rev 1/30/95

CA 12 8 3.9e-9

CB 15 14 4.9e-9

CIN 6 8 3.25e-10

DBODY 7 5 DBODYMOD

DBREAK 5 11 DBREAKMOD

DPLCAP 10 5 DPLCAPMOD

EBREAK 11 7 17 18 67.8

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

LDRAIN 2 5 1.0e-9

LGATE 1 9 5.42e-9

LSOURCE 3 7 2.57e-9

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 3.7e-2

RGATE 9 20 3.37

RLDRAIN 2 5 10

RLGATE 1 9 54.2

RLSOURCE 3 7 25.7

RSLC1 5 51 RSLCMOD 1e-6

RSLC2 5 50 1e3

RSOURCE 8 7 RSOURCEMOD 2.50e-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*30),3))}

.MODEL DBODYMOD D (IS = 1.75e-13 RS = 1.75e-2 TRS1 = 1e-4 TRS2 = 5e-6 CJO = 5.9e-10 TT = 5.45e-8 N = 1.03 M = 0.6)

.MODEL DBREAKMOD D (RS = 6.50e-1 TRS1 = 1.25e-4 TRS2 = 1.34e-6)

.MODEL DPLCAPMOD D (CJO = 3.21e-10 IS = 1e-30 N = 10 M = 0.81)

.MODEL MMEDMOD NMOS (VTO = 2.02 KP = .83 IS = 1e-30 N = 10 TOX = 1 L = 1u W = 1u RG = 3.37)

.MODEL MSTROMOD NMOS (VTO = 2.39 KP = 14 IS = 1e-30 N = 10 TOX = 1 L = 1u W = 1u)

.MODEL MWEAKMOD NMOS (VTO = 1.78 KP = 0.02 IS = 1e-30 N = 10 TOX = 1 L = 1u W = 1u RG = 33.7 RS = 0.1)

.MODEL RBREAKMOD RES (TC1 = 1.06e-3 TC2 = 0)

.MODEL RDRAINMOD RES (TC1 = 1.23e-2 TC2 = 2.58e-5)

.MODEL RSLCMOD RES (TC1 = 0 TC2 = 0)

.MODEL RSOURCEMOD RES (TC1 = 1e-3 TC2 = 0)

.MODEL RVTHRESMOD RES (TC1 = -2.19e-3 TC2 = -4.97e-6)

.MODEL RVTEMPMOD RES (TC1 = -1.6e-3 TC2 = 1e-7)

.MODEL S1AMOD VSWITCH (RON = 1e-5 ROFF = 0.1 VON = -4 VOFF= -2.5)

.MODEL S1BMOD VSWITCH (RON = 1e-5 ROFF = 0.1 VON = -2.5 VOFF= -4)

.MODEL S2AMOD VSWITCH (RON = 1e-5 ROFF = 0.1 VON = -0.5 VOFF= 0)

.MODEL S2BMOD VSWITCH (RON = 1e-5 ROFF = 0.1 VON = 0 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

RFD3055LE, RFD3055LESM, RFP3055LE