*Dec 24, 2012
*ECN S12-3059, Rev. B
*This document is intended as a SPICE modeling guideline and does not
*constitute a commercial product datasheet. Designers should refer to the
*appropriate datasheet of the same number for guaranteed specification
*limits.
.SUBCKT Si7812DN 4 1 2
M1  3 1 2 2 NMOS W=1506271u L=0.25u    
M2  2 1 2 4 PMOS W=1506271u L=0.20u   
R1  4 3     RTEMP 13E-3
CGS 1 2     470E-12
DBD 2 4     DBD
************************************************************** 
.MODEL  NMOS       NMOS ( LEVEL  = 3           TOX    = 3E-8
+ RS     = 14E-3          RD     = 0           NSUB   = 5.7E17  
+ KP     = 1.2E-5         UO     = 650             
+ VMAX   = 0              XJ     = 5E-7        KAPPA  = 5E-1
+ ETA    = 1E-4           TPG    = 1  
+ IS     = 0              LD     = 0            
+ CGSO   = 0              CGDO   = 0           CGBO   = 0 
+ TLEV   = 1              BEX    = -1.5        TCV    = 3.4E-3
+ NFS    = 0.8E12         DELTA  = 0.1)
*************************************************************** 
.MODEL  PMOS       PMOS ( LEVEL  = 3           TOX    = 3E-8
+NSUB    = 1E17           TPG    = -1)   
*************************************************************** 
.MODEL DBD D (CJO=300E-12 VJ=0.38 M=0.32
+RS=0.1 FC=0.5 IS=1E-12 TT=5E-8 N=1 BV=76)
*************************************************************** 
.MODEL RTEMP R (TC1=10E-3 TC2=5.5E-6)
*************************************************************** 
.ENDS

