Version 4 SHEET 1 4804 936 WIRE -1136 16 -1232 16 WIRE -864 16 -1136 16 WIRE -688 16 -864 16 WIRE -528 16 -640 16 WIRE -400 16 -464 16 WIRE -304 16 -400 16 WIRE -144 16 -304 16 WIRE 16 16 -144 16 WIRE -1232 32 -1232 16 WIRE -864 32 -864 16 WIRE -688 32 -688 16 WIRE -640 32 -640 16 WIRE -400 32 -400 16 WIRE -304 48 -304 16 WIRE -144 64 -144 16 WIRE -864 112 -864 96 WIRE -1232 128 -1232 112 WIRE -640 144 -640 112 WIRE -528 144 -640 144 WIRE -304 160 -304 128 WIRE -144 160 -144 128 WIRE -144 160 -304 160 WIRE 16 160 -144 160 WIRE -1136 192 -1136 16 WIRE -976 192 -1136 192 WIRE -688 192 -688 112 WIRE -688 192 -752 192 WIRE -144 192 -144 160 WIRE 16 192 16 160 WIRE -1136 208 -1136 192 WIRE -688 208 -688 192 WIRE -304 208 -304 160 WIRE -976 288 -1136 288 WIRE -688 288 -752 288 WIRE -528 288 -528 144 WIRE -400 288 -400 96 WIRE -400 288 -528 288 WIRE -304 288 -304 272 WIRE -304 288 -400 288 WIRE -144 288 -144 256 WIRE -144 288 -304 288 WIRE 16 288 -144 288 WIRE -1136 304 -1136 288 WIRE -304 320 -304 288 WIRE -976 384 -1040 384 WIRE -672 384 -752 384 WIRE -1136 400 -1136 384 WIRE -1040 400 -1040 384 WIRE -672 400 -672 384 WIRE -1040 480 -1040 464 WIRE -976 480 -1040 480 WIRE -672 496 -672 480 WIRE -1040 512 -1040 480 FLAG -1232 128 0 FLAG -1136 400 0 FLAG -1232 16 IN FLAG -400 16 OUT FLAG -864 112 0 FLAG -1040 512 0 FLAG -672 496 0 FLAG -304 320 GND2 FLAG 16 192 0 SYMBOL voltage -1232 16 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName Vin1 SYMATTR Value 12 SYMBOL res -1152 192 R0 SYMATTR InstName R1 SYMATTR Value 10k SYMBOL res -1152 288 R0 SYMATTR InstName R2 SYMATTR Value 100k SYMBOL ind2 -704 16 R0 WINDOW 0 -1 46 Right 2 WINDOW 3 0 76 Right 2 SYMATTR InstName L1 SYMATTR Value 1u SYMATTR Type ind SYMATTR SpiceLine Rser=36m Rpar=500k Cpar=4.7p SYMBOL ind2 -624 128 R180 WINDOW 0 -3 64 Right 2 WINDOW 3 1 34 Right 2 SYMATTR InstName L2 SYMATTR Value 9u SYMATTR Type ind SYMATTR SpiceLine Rser=7m Cpar=1p SYMBOL res -704 192 R0 SYMATTR InstName R3 SYMATTR Value 61K SYMBOL schottky -528 32 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value PDS5100 SYMATTR Description Diode SYMATTR Type diode SYMBOL cap -416 32 R0 SYMATTR InstName C1 SYMATTR Value 30u SYMATTR SpiceLine V=6.3 Rser=0.003 SYMBOL cap -880 32 R0 WINDOW 3 26 52 Left 2 SYMATTR Value 10u SYMATTR InstName C2 SYMATTR SpiceLine V=50 Irms=4 Rser=0.001 SYMBOL cap -1056 400 R0 SYMATTR InstName C3 SYMATTR Value 1u SYMBOL res -688 384 R0 SYMATTR InstName R4 SYMATTR Value 10K SYMBOL PowerProducts\\LT8302 -864 336 R0 SYMATTR InstName U1 SYMBOL res -320 32 R0 SYMATTR InstName R5 SYMATTR Value 4.7k SYMBOL cap -160 64 R0 SYMATTR InstName C4 SYMATTR Value 20u SYMATTR SpiceLine V=6.3 Rser=0.003 SYMBOL cap -160 192 R0 SYMATTR InstName C5 SYMATTR Value 20u SYMATTR SpiceLine V=6.3 Rser=0.003 SYMBOL zener -288 272 R180 WINDOW 0 24 64 Left 2 WINDOW 3 -81 30 Left 2 SYMATTR InstName D2 SYMATTR Value 1N750 SYMATTR Description Diode SYMATTR Type diode TEXT -664 -16 Bottom 2 !K1 L1 L2 0.984 TEXT -472 472 Left 2 !.tran 0 100m 0 150n startup TEXT -664 16 Bottom 2 ;750311564 TEXT -592 120 Left 2 ;Nps = 1:3 TEXT -1016 -592 Left 2 !*ZETEX ZXTN2031F Spice Model v1.0 Last Revised 01/11/05\n *\n .MODEL ZXTN2031F NPN IS =3E-13 BF =380 VAF=100 IKF=2.5 ISE=1.1E-13 NE =1.37 \n +BR =100 VAR=28 NR =.972 IKR=0.8 ISC=6.5E-13 NC =1.372 RB =0.2 RE =.015 \n +RC =.015 CJE=250E-12 TF =1E-9 CJC=50E-12 TR =10E-9\n *\n *$\n * TEXT -1048 -368 Left 2 !*ZETEX ZXTP2025F Spice Model v1.0 Last revision 31/03/06\n *\n .MODEL ZXTP2025F PNP IS=6E-13 NF=.996 BF=340 VAF=31 ISE=1.3E-13 IKF=4\n +NE=1.7 BR=45 VAR=12 ISC=7E-14 NC=1.7 RC=0.009 RB=.19 RE=0.009\n +CJC=130E-12 MJC=0.425 VJC=0.68 CJE=510E-12 MJE=0.4 VJE=0.68 TF=0.75E-9\n +TR=11E-9 XTB=1.4 QUASIMOD=1 RCO=0.4 GAMMA=0.5E-9\n *\n *$\n *