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WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value PULSE(0 5.5 10m 1m 1m 10 20) SYMBOL voltage -2544 -1552 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value PULSE(0 3.8 20m 1m 1m 10 20) SYMBOL voltage -2544 -1216 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value PULSE(0 3.5 27m 1m 1m 10 20) SYMBOL nmos -144 -1200 R270 WINDOW 0 85 59 VRight 2 WINDOW 3 17 123 VRight 2 SYMATTR InstName Q1 SYMATTR Value Si2316DS SYMBOL nmos -144 -1360 R270 WINDOW 0 85 59 VRight 2 WINDOW 3 13 111 VRight 2 SYMATTR InstName Q2 SYMATTR Value Si2316DS SYMBOL nmos -144 -1520 R270 WINDOW 0 85 59 VRight 2 WINDOW 3 18 109 VRight 2 SYMATTR InstName Q3 SYMATTR Value Si2316DS SYMBOL cap -224 -976 R0 SYMATTR InstName C1 SYMATTR Value .47µ SYMBOL res 96 -1088 R0 SYMATTR InstName R1 SYMATTR Value 4.7K SYMBOL cap -368 -256 R0 SYMATTR InstName C2 SYMATTR Value .22µ SYMBOL res -896 -1216 R0 SYMATTR InstName R2 SYMATTR Value 178K SYMBOL res -1024 -1216 R0 SYMATTR InstName R3 SYMATTR Value 232K SYMBOL res -1376 -1568 R0 SYMATTR InstName R4 SYMATTR Value 100 SYMBOL cap -1120 -1552 R0 SYMATTR InstName C3 SYMATTR Value 10µ SYMBOL cap -1968 -1792 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value .01µ SYMBOL cap -1968 -1456 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value .01µ SYMBOL cap -1120 -1376 R0 SYMATTR InstName C6 SYMATTR Value 10µ SYMBOL PowerProducts\\LT1763-3.3 -2224 -1504 R0 SYMATTR InstName U1 SYMBOL cap -1120 -1216 R0 SYMATTR InstName C7 SYMATTR Value 10µ SYMBOL cap -1968 -1120 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C8 SYMATTR Value .01µ SYMBOL PowerProducts\\LT1763-2.5 -2224 -1168 R0 SYMATTR InstName U2 SYMBOL nmos -1184 -320 R0 SYMATTR InstName Q4 SYMATTR Value BSS123 SYMBOL voltage -1648 -240 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value PULSE(0 5 2.5 100n 100n 200u 100) SYMBOL cap 576 -1552 R0 SYMATTR InstName C9 SYMATTR Value 10µ SYMBOL cap 576 -1392 R0 SYMATTR InstName C10 SYMATTR Value 10µ SYMBOL cap 576 -1232 R0 SYMATTR InstName C11 SYMATTR Value 10µ SYMBOL voltage 1152 -1872 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 -32 56 VBottom 2 SYMATTR InstName V5 SYMATTR Value PULSE(0 1 2 100n 100n 100u 100) SYMBOL sw 896 -1792 R180 WINDOW 0 -6 107 Right 2 WINDOW 3 -27 -2 Right 2 SYMATTR InstName S1 SYMATTR Value SSHRT SYMBOL nmos -144 -1680 R270 WINDOW 0 85 59 VRight 2 WINDOW 3 18 109 VRight 2 SYMATTR InstName Q5 SYMATTR Value Si2316DS SYMBOL res -1296 -1728 R0 SYMATTR InstName R5 SYMATTR Value 100 SYMBOL cap -1120 -1712 R0 SYMATTR InstName C12 SYMATTR Value 10µ SYMBOL cap 576 -1712 R0 SYMATTR InstName C13 SYMATTR Value 10µ SYMBOL nmos -144 -1856 R270 WINDOW 0 85 59 VRight 2 WINDOW 3 18 109 VRight 2 SYMATTR InstName Q6 SYMATTR Value Si2316DS SYMBOL res -352 -1920 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R6 SYMATTR Value 50m SYMBOL res -1216 -1904 R0 SYMATTR InstName R7 SYMATTR Value 100 SYMBOL cap -1120 -1888 R0 SYMATTR InstName C14 SYMATTR Value 10µ SYMBOL cap 576 -1888 R0 SYMATTR InstName C15 SYMATTR Value 10µ SYMBOL res -800 -1152 R0 SYMATTR InstName R8 SYMATTR Value 113K SYMBOL res -768 -816 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R9 SYMATTR Value 49.9K SYMBOL res -688 -1152 R0 SYMATTR InstName R10 SYMATTR Value 86.6K SYMBOL res -656 -784 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R11 SYMATTR Value 49.9K SYMBOL res -864 -912 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R12 SYMATTR Value 49.9K SYMBOL res -992 -944 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R13 SYMATTR Value 49.9K SYMBOL voltage -2544 -896 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V6 SYMATTR Value PULSE(0 2.5 27m 1m 1m 10 20) SYMBOL cap -1968 -800 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C16 SYMATTR Value .01µ SYMBOL res -1456 -1408 R0 SYMATTR InstName R14 SYMATTR Value 100 SYMBOL voltage -2544 -576 R90 WINDOW 0 -32 56 VBottom 2 WINDOW 3 32 56 VTop 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V7 SYMATTR Value PULSE(0 2.5 27m 1m 1m 10 20) SYMBOL cap -1968 -480 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C17 SYMATTR Value .01µ SYMBOL res -1536 -1248 R0 SYMATTR InstName R15 SYMATTR Value 100 SYMBOL res -80 -1824 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R16 SYMATTR Value 10 SYMBOL res -64 -1648 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R17 SYMATTR Value 10 SYMBOL res -64 -1488 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R18 SYMATTR Value 10 SYMBOL res -80 -1328 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R19 SYMATTR Value 10 SYMBOL res -80 -1168 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R20 SYMATTR Value 10 SYMBOL PowerProducts\\LT1763-1.8 -2224 -848 R0 SYMATTR InstName U3 SYMBOL PowerProducts\\LT1763-1.5 -2224 -528 R0 SYMATTR InstName U4 SYMBOL LTC2922-3.3 -416 -688 R0 SYMATTR InstName U5 SYMBOL PowerProducts\\LT1763-3.3 -2224 -1840 R0 SYMATTR InstName U6 SYMBOL res 704 -1248 R0 SYMATTR InstName Rload4 SYMATTR Value 70 SYMBOL res 704 -1408 R0 SYMATTR InstName Rload3 SYMATTR Value 70 SYMBOL res 704 -1568 R0 SYMATTR InstName Rload2 SYMATTR Value 70 SYMBOL res 704 -1728 R0 SYMATTR InstName Rload1 SYMATTR Value 70 SYMBOL res 704 -1904 R0 SYMATTR InstName Rload0 SYMATTR Value 70 TEXT 752 -440 Left 2 !.tran 4 TEXT 848 -1624 Left 2 !.model SSHRT SW(Ron=1 Roff=7 Vt=.5 Vh=-.3)