Version 4 SHEET 1 2000 1456 WIRE 688 -416 608 -416 WIRE 848 -416 752 -416 WIRE 896 -416 848 -416 WIRE 752 -400 752 -416 WIRE 752 -336 608 -336 WIRE 688 -256 608 -256 WIRE 752 -256 752 -336 WIRE 1136 -256 1056 -256 WIRE 1344 -256 1136 -256 WIRE 1488 -256 1344 -256 WIRE 1584 -256 1552 -256 WIRE 752 -240 752 -256 WIRE 352 -224 192 -224 WIRE 480 -224 352 -224 WIRE 1344 -224 1344 -256 WIRE 1584 -208 1584 -256 WIRE 752 -176 608 -176 WIRE 1264 -176 1232 -176 WIRE 1440 -176 1424 -176 WIRE 1136 -144 1136 -176 WIRE 352 -128 352 -144 WIRE 480 -128 480 -144 WIRE 1232 -128 1232 -176 WIRE 1264 -128 1232 -128 WIRE 1232 -112 1232 -128 WIRE 752 -96 752 -176 WIRE 752 -96 720 -96 WIRE 848 -80 848 -416 WIRE 1344 -48 1344 -80 WIRE 1584 -48 1584 -128 WIRE 1616 -48 1584 -48 WIRE 192 -16 192 -224 WIRE 352 -16 352 -48 WIRE 480 -16 480 -48 WIRE 480 -16 352 -16 WIRE 688 -16 480 -16 WIRE 752 -16 752 -96 WIRE 1744 0 1680 0 WIRE 352 16 352 -16 WIRE 480 16 480 -16 WIRE 1584 16 1584 -48 WIRE 560 32 528 32 WIRE 752 32 752 -16 WIRE 1232 48 1168 48 WIRE 1344 48 1344 16 WIRE 1344 48 1312 48 WIRE 1168 80 1168 48 WIRE 1344 80 1344 48 WIRE 528 96 528 80 WIRE 1488 96 1488 64 WIRE 1488 96 1392 96 WIRE 1584 96 1488 96 WIRE 1632 96 1584 96 WIRE 352 112 352 80 WIRE 352 112 320 112 WIRE 480 112 480 96 WIRE 480 112 352 112 WIRE 480 128 480 112 WIRE 1424 144 1392 144 WIRE 1344 160 1168 160 WIRE 1344 176 1344 160 WIRE 192 208 192 64 WIRE 480 208 192 208 WIRE 752 208 752 96 WIRE 752 208 480 208 WIRE 848 208 848 0 WIRE 848 208 752 208 WIRE 480 240 480 208 FLAG 480 240 0 FLAG 1584 160 0 FLAG 896 -416 OUT IOPIN 896 -416 Out FLAG 560 32 MFDRV1 IOPIN 560 32 In FLAG 528 96 0 FLAG 320 112 A IOPIN 320 112 Out FLAG 1344 176 0 FLAG 1232 -112 0 FLAG 1440 -176 MFDRV1 IOPIN 1440 -176 Out FLAG 1136 -144 0 FLAG 1712 96 A IOPIN 1712 96 In FLAG 1424 224 0 FLAG 720 -96 BOOST IOPIN 720 -96 Out FLAG 1056 -256 CLOCK IOPIN 1056 -256 Out FLAG 1632 0 0 FLAG 1744 0 CLOCK IOPIN 1744 0 In FLAG 1696 -48 0 FLAG 1488 64 CS IOPIN 1488 64 Out FLAG 1520 -48 0 SYMBOL sw 1344 176 R180 WINDOW 0 38 67 Left 2 WINDOW 3 36 45 Left 2 SYMATTR InstName SW3 SYMATTR Value COMP SYMBOL res 1216 32 M90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 1K SYMBOL voltage 1168 64 R0 WINDOW 0 38 43 Left 2 WINDOW 3 39 66 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 1V SYMBOL voltage 1424 128 R0 WINDOW 0 39 43 Left 2 WINDOW 3 38 64 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value .055V SYMBOL res 464 112 R0 SYMATTR InstName R1 SYMATTR Value .001 SYMBOL sw 480 112 R180 WINDOW 0 42 74 Left 2 WINDOW 3 36 46 Left 2 SYMATTR InstName SW1 SYMATTR Value MSW SYMBOL Digital\\dflop 1344 -224 R0 SYMATTR InstName A1 SYMBOL ind2 464 -144 R0 SYMATTR Value 40µ SYMATTR InstName L1 SYMATTR Type ind SYMBOL ind2 624 -160 R180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L2 SYMATTR Value 640µ SYMATTR Type ind SYMBOL diode 688 -240 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D2 SYMATTR Value DID SYMBOL cap 736 -240 R0 WINDOW 3 36 50 Left 2 SYMATTR Value 3µ SYMATTR InstName C1 SYMBOL res 832 -96 R0 SYMATTR InstName R2 SYMATTR Value 223 SYMBOL res 1728 80 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 1k SYMBOL Digital\\inv 1280 16 R270 SYMATTR InstName A4 SYMBOL voltage 1136 -272 R0 WINDOW 0 -82 64 Left 2 WINDOW 3 -54 -13 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V6 SYMATTR Value PULSE(0 1 0 1n 1n 1u 20u 500) SYMBOL voltage 192 -32 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V8 SYMATTR Value 20 SYMBOL cap 1568 96 R0 WINDOW 0 36 19 Left 2 WINDOW 3 36 44 Left 2 SYMATTR InstName C3 SYMATTR Value 100p SYMBOL diode 368 80 R180 WINDOW 0 35 49 Left 2 WINDOW 3 41 22 Left 2 SYMATTR InstName D1 SYMATTR Value DID SYMBOL diode 688 0 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D3 SYMATTR Value DID SYMBOL cap 736 32 R0 SYMATTR InstName C2 SYMATTR Value 20µ SYMBOL ind2 336 -144 R0 SYMATTR Value 40µ SYMATTR InstName L3 SYMATTR Type ind SYMBOL ind2 624 -320 R180 WINDOW 0 36 80 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName L4 SYMATTR Value 640µ SYMATTR Type ind SYMBOL diode 688 -400 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D4 SYMATTR Value DID SYMBOL cap 736 -400 R0 WINDOW 3 36 50 Left 2 SYMATTR Value 3µ SYMATTR InstName C4 SYMBOL res 336 -240 R0 SYMATTR InstName R5 SYMATTR Value 5m SYMBOL res 464 -240 R0 SYMATTR InstName R6 SYMATTR Value 5m SYMBOL Digital\\inv 1488 -320 R0 SYMATTR InstName A2 SYMBOL res 1568 -224 R0 SYMATTR InstName R7 SYMATTR Value 1k SYMBOL sw 1600 -48 R270 WINDOW 0 21 159 VLeft 2 WINDOW 3 55 179 VLeft 2 SYMATTR InstName SW2 SYMATTR Value COMP05 SYMBOL cap 1584 -64 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 50n SYMBOL res 1568 0 R0 SYMATTR InstName R8 SYMATTR Value 15k TEXT 1024 -456 Left 2 !.MODEL DID D(RON=10m VFWD=1V) TEXT 1024 -432 Left 2 !.MODEL MSW SW(RON=10m ROFF=1E9 VT=.5V VH=.2) TEXT 1024 -352 Left 2 !.tran 0 2m 0u 10n uic TEXT 1024 -408 Left 2 !.MODEL COMP SW(RON=1 ROFF=1E6 VT=0 VH=2m) TEXT 336 -272 Left 2 !K1 L1 L2 .99 TEXT 336 -376 Left 2 !K2 L3 L4 .99 TEXT 1024 -384 Left 2 !.MODEL COMP05 SW(RON=1 ROFF=1E6 VT=0.5 VH=2m)