Version 4 SHEET 1 6404 1204 WIRE -16 -416 -368 -416 WIRE 64 -416 -16 -416 WIRE 128 -416 64 -416 WIRE 512 -416 224 -416 WIRE 528 -416 512 -416 WIRE 624 -416 608 -416 WIRE 656 -416 624 -416 WIRE 960 -416 752 -416 WIRE 1024 -416 960 -416 WIRE 1152 -416 1024 -416 WIRE -368 -400 -368 -416 WIRE 1024 -400 1024 -416 WIRE 1152 -400 1152 -416 WIRE 1312 -384 1200 -384 WIRE -16 -368 -16 -416 WIRE 1312 -368 1312 -384 WIRE -368 -304 -368 -320 WIRE 1024 -304 1024 -336 WIRE 1152 -304 1152 -320 WIRE 736 -288 736 -368 WIRE 1312 -272 1312 -288 WIRE 224 -240 -368 -240 WIRE 304 -240 224 -240 WIRE 368 -240 304 -240 WIRE 512 -240 512 -416 WIRE 512 -240 464 -240 WIRE -368 -224 -368 -240 WIRE 224 -224 224 -240 WIRE 736 -192 736 -208 WIRE 752 -192 736 -192 WIRE 848 -192 832 -192 WIRE 928 -192 912 -192 WIRE -368 -128 -368 -144 WIRE 960 -112 960 -416 WIRE 960 -112 816 -112 WIRE 512 -96 512 -240 WIRE 512 -96 -368 -96 WIRE 1040 -96 512 -96 WIRE -368 -80 -368 -96 WIRE -16 -80 -16 -304 WIRE 64 -80 64 -416 WIRE 144 -80 144 -368 WIRE 224 -80 224 -160 WIRE 304 -80 304 -240 WIRE 384 -80 384 -192 WIRE 512 -80 512 -96 WIRE 624 -80 624 -416 WIRE 736 -80 736 -192 WIRE 816 -80 816 -112 WIRE -368 48 -368 0 WIRE -240 48 -368 48 WIRE -80 48 -240 48 WIRE 896 48 880 48 WIRE 1040 48 1040 -96 WIRE 1040 48 976 48 WIRE -368 64 -368 48 WIRE -240 64 -240 48 WIRE -80 128 -144 128 WIRE 944 128 880 128 WIRE 1040 128 1040 48 WIRE 1040 128 1024 128 WIRE -368 160 -368 144 WIRE -240 160 -240 128 WIRE -144 208 -144 192 WIRE -80 208 -144 208 WIRE 912 208 880 208 WIRE 992 208 976 208 WIRE -144 240 -144 208 WIRE -80 288 -96 288 WIRE 896 288 880 288 FLAG 928 -192 0 FLAG 992 208 0 FLAG -144 240 0 FLAG -368 -304 0 FLAG -368 -128 0 FLAG -368 -416 IN1 FLAG -368 -240 IN2 FLAG 1152 -416 OUT FLAG 1024 -304 0 FLAG 1152 -304 0 FLAG 1200 -336 0 FLAG 1312 -272 0 FLAG 896 288 0 FLAG -96 288 0 FLAG -368 160 0 FLAG -240 160 0 SYMBOL nmos 656 -368 R270 WINDOW 0 52 47 VTop 2 WINDOW 3 -16 79 VLeft 2 SYMATTR InstName Q3 SYMATTR Value Si7386DP SYMBOL nmos 224 -368 M270 WINDOW 0 54 45 VTop 2 WINDOW 3 -17 73 VLeft 2 SYMATTR InstName Q1 SYMATTR Value Si7386DP SYMBOL cap -32 -368 R0 SYMATTR InstName C1 SYMATTR Value .1µ SYMBOL res 992 32 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 100K SYMBOL res 1040 112 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 100K SYMBOL res 736 -208 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 47 SYMBOL res 720 -192 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R2 SYMATTR Value 10 SYMBOL cap 848 -208 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value .015µ SYMBOL cap 976 192 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value .1µ SYMBOL cap 208 -224 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL res -384 16 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R5 SYMATTR Value 137K SYMBOL res -384 160 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 20K SYMBOL cap -256 64 R0 SYMATTR InstName C4 SYMATTR Value .01µ SYMBOL cap -160 128 R0 WINDOW 0 29 19 Left 2 WINDOW 3 24 54 Left 2 SYMATTR InstName C5 SYMATTR Value .1µ SYMBOL cap 1008 -400 R0 SYMATTR InstName C7 SYMATTR Value 100µ SYMBOL voltage -368 -416 R0 WINDOW 123 24 138 Left 2 WINDOW 39 24 117 Left 2 SYMATTR InstName V1 SYMATTR Value PWL(0 0 10u 0 +1u 11) SYMBOL voltage -368 -240 R0 WINDOW 123 24 138 Left 2 WINDOW 39 24 117 Left 2 SYMATTR InstName V2 SYMATTR Value PWL(0 0 10u 0 +1u 12) SYMBOL res 624 -432 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value .006 SYMBOL nmos 464 -192 M270 WINDOW 0 54 45 VTop 2 WINDOW 3 -17 73 VLeft 2 SYMATTR InstName Q2 SYMATTR Value Si7386DP SYMBOL sw 1152 -304 R180 WINDOW 0 -23 102 Right 2 WINDOW 3 -26 2 Right 2 SYMATTR InstName S1 SYMATTR Value SCSW SYMBOL voltage 1312 -384 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value PWL(0 0 300m 0 +1m 1 +10m 1 +1m 0) SYMBOL LTC4227-4 16 144 R0 SYMATTR InstName U1 TEXT 1192 280 Left 2 !.tran 1600m TEXT 1072 160 Left 2 !.model SCSW SW(Ron=10m Roff=1.7 Vt=.5 Vh=-.4)