*January 28, 2008
*Doc. ID: 69883, S-80152, Rev. A
*File Name: Si4831BDY_PS.txt and Si4831BDY_PS.lib
*This document is intended as a SPICE modeling guideline and does not
*constitute a commercial product data sheet.  Designers should refer to the
*appropriate data sheet of the same number for guaranteed specification
*limits.  
.subckt  Si4831BDY d g s a k 
x1 d g s Si4831BDY_mos
x2 a k   Si4831BDY_schottky
.ends Si4831BDY
.SUBCKT Si4831BDY_mos D G S
M1  3  GX S S PMOS W=1119064u L=0.25u               
M2  S  GX S D NMOS W=1119064u L=0.62u  
RG  G  GX     7  
R1  D  3      RTEMP 12E-3
CGS GX S      340E-12
DBD D  S      DBD
***************************************************************  
.MODEL  PMOS        PMOS ( LEVEL  = 3          TOX    = 5E-8
+ RS     = 16E-3           RD     = 0          NSUB   = 1.1E17
+ KP     = 5.5E-6          UO     = 400             
+ VMAX   = 0               XJ     = 5E-7       KAPPA  = 1E-2
+ ETA    = 1E-4            TPG    = -1  
+ IS     = 0               LD     = 0                        
+ CGSO   = 0               CGDO   = 0          CGBO   = 0 
+ NFS    = 0.8E12          DELTA  = 0.1)
*************************************************************** 
.MODEL  NMOS        NMOS ( LEVEL  = 3          TOX    = 5E-8
+NSUB    = 4.5E16          IS     = 0          TPG    = -1)   
*************************************************************** 
.MODEL DBD D (CJO=120E-12 VJ=0.38 M=0.29
+FC=0.5 TT=1.06e-08 T_MEASURED=25 BV=31
+RS=8.546e-03 N=1.259 IS=1.317e-10 IKF=1000
+EG=1.262 XTI=1.576e-09 TRS1=4.327e-03)
*************************************************************** 
.MODEL RTEMP RES (TC1=11E-3 TC2=5.5E-6)
*************************************************************** 
.ENDS Si4831BDY_mos
.subckt Si4831BDY_schottky 7 5
d1 7 5 sdsm
d2 7 5 sdlg
d3 7 4 sdrev
d4 5 4 sdblk
.model sdsm d (is=4.536e-13 n=9.009e-01 eg=8.557e-01 xti=1.840 
+rs=1.000e-02 trs1=1.000e-02)
.model sdlg d (is=2.47e-6 n=1.101 eg=7.325e-01 xti=1.395
+rs=3.028e-02 trs1=6.254e-03  
+vj=2.174e-01 cjo=4.814e-10 m=3.634e-01)
.model sdrev d (is=2.47e-6 n=4.779 eg=3.227 xti=6.287e-01)
.model sdblk d (is=1e-11 n=1)
.ends Si4831BDY_schottky