Version 4 SHEET 1 6404 1204 WIRE 1040 -400 -64 -400 WIRE -336 -336 -1184 -336 WIRE -64 -336 -64 -400 WIRE -64 -336 -336 -336 WIRE 16 -336 -64 -336 WIRE 144 -336 16 -336 WIRE 176 -336 144 -336 WIRE 272 -336 256 -336 WIRE 320 -336 272 -336 WIRE 512 -336 416 -336 WIRE 800 -336 608 -336 WIRE 1216 -336 800 -336 WIRE -1184 -320 -1184 -336 WIRE 16 -288 16 -336 WIRE 704 -288 704 -304 WIRE -1184 -224 -1184 -240 WIRE 592 -224 592 -288 WIRE 704 -208 704 -224 WIRE 336 -176 336 -288 WIRE 384 -176 336 -176 WIRE 1040 -176 1040 -400 WIRE 1040 -176 960 -176 WIRE 1120 -176 1040 -176 WIRE -336 -160 -336 -336 WIRE 960 -112 960 -176 WIRE 1120 -112 1120 -176 WIRE 592 -96 592 -144 WIRE 704 -96 704 -128 WIRE 704 -96 592 -96 WIRE 16 -80 16 -224 WIRE 144 -80 144 -336 WIRE 272 -80 272 -336 WIRE 384 -80 384 -176 WIRE 592 -80 592 -96 WIRE 800 -80 800 -336 WIRE -336 0 -336 -80 WIRE -224 0 -336 0 WIRE -80 0 -224 0 WIRE 960 0 960 -32 WIRE 960 0 880 0 WIRE -336 48 -336 0 WIRE -224 48 -224 0 WIRE -80 64 -96 64 WIRE 1120 64 1120 -32 WIRE 1120 64 880 64 WIRE -80 128 -144 128 WIRE 912 128 880 128 WIRE 992 128 976 128 WIRE 1216 160 1216 -336 WIRE 1312 160 1216 160 WIRE 1424 160 1312 160 WIRE -336 176 -336 128 WIRE -336 176 -416 176 WIRE -224 176 -224 112 WIRE -224 176 -336 176 WIRE 1424 176 1424 160 WIRE 1312 192 1312 160 WIRE -416 208 -416 176 WIRE -336 208 -336 176 WIRE -224 208 -224 176 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 -80 272 -96 272 WIRE 1120 272 880 272 WIRE 1312 272 1312 256 WIRE 1424 272 1424 256 WIRE -336 336 -336 288 WIRE -224 336 -224 272 WIRE -224 336 -336 336 WIRE -80 336 -224 336 WIRE 944 336 880 336 WIRE 944 400 944 336 WIRE 1120 400 1120 272 WIRE -336 432 -336 336 WIRE 592 432 592 416 WIRE 704 432 592 432 WIRE 16 448 16 416 WIRE 592 448 592 432 WIRE 704 448 704 432 WIRE 704 544 704 528 WIRE 944 560 944 480 WIRE 1040 560 944 560 WIRE 1120 560 1120 480 WIRE 1120 560 1040 560 WIRE 384 608 384 416 WIRE 592 608 592 528 WIRE 704 624 704 608 WIRE -336 656 -336 512 WIRE -336 656 -464 656 WIRE -128 656 -336 656 WIRE 16 656 16 512 WIRE 16 656 -128 656 WIRE 144 656 144 416 WIRE 144 656 16 656 WIRE 176 656 144 656 WIRE 272 656 272 416 WIRE 272 656 256 656 WIRE 368 656 272 656 WIRE 512 656 464 656 WIRE 800 656 800 416 WIRE 800 656 608 656 WIRE 1216 656 1216 160 WIRE 1216 656 800 656 WIRE -464 672 -464 656 WIRE -128 720 -128 656 WIRE 1040 720 1040 560 WIRE 1040 720 -128 720 WIRE -464 768 -464 752 FLAG 704 -304 0 FLAG 704 624 0 FLAG 992 128 0 FLAG 992 208 0 FLAG -416 208 0 FLAG -144 240 0 FLAG -96 64 0 FLAG -96 272 0 FLAG -1184 -224 0 FLAG -464 768 0 FLAG -1184 -336 IN1 FLAG -464 656 IN2 FLAG 1424 160 OUT FLAG 1312 272 0 FLAG 1424 272 0 SYMBOL LTC4225-1 16 144 R0 WINDOW 0 371 -91 Center 2 WINDOW 3 375 93 Center 2 SYMATTR InstName U1 SYMBOL nmos 512 -288 R270 WINDOW 0 52 47 VTop 2 WINDOW 3 -16 79 VLeft 2 SYMATTR InstName Q1 SYMATTR Value Si7386DP SYMBOL nmos 416 -288 M270 WINDOW 0 54 45 VTop 2 WINDOW 3 -17 73 VLeft 2 SYMATTR InstName Q2 SYMATTR Value Si7386DP SYMBOL nmos 464 608 R90 WINDOW 0 -13 58 VLeft 2 WINDOW 3 60 46 VTop 2 SYMATTR InstName Q3 SYMATTR Value Si7386DP SYMBOL nmos 512 608 M90 WINDOW 0 -11 71 VLeft 2 WINDOW 3 59 48 VTop 2 SYMATTR InstName Q4 SYMATTR Value Si7386DP SYMBOL cap 0 -288 R0 SYMATTR InstName C1 SYMATTR Value .1µ SYMBOL res 944 -128 R0 SYMATTR InstName R2 SYMATTR Value 100K SYMBOL res 1104 -128 R0 SYMATTR InstName R3 SYMATTR Value 100K SYMBOL res 688 -112 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R4 SYMATTR Value 47 SYMBOL res 576 -128 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R5 SYMATTR Value 10 SYMBOL cap 688 -224 M180 WINDOW 0 24 64 Left 2 WINDOW 3 24 8 Left 2 SYMATTR InstName C2 SYMATTR Value .015µ SYMBOL cap 976 112 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C3 SYMATTR Value .047µ SYMBOL cap 976 192 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value .047µ SYMBOL res 928 384 R0 SYMATTR InstName R6 SYMATTR Value 100K SYMBOL res 1104 384 R0 SYMATTR InstName R7 SYMATTR Value 100K SYMBOL res 688 432 R0 SYMATTR InstName R8 SYMATTR Value 47 SYMBOL cap 688 544 R0 WINDOW 3 29 54 Left 2 SYMATTR Value .015µ SYMATTR InstName C5 SYMBOL res 576 432 R0 SYMATTR InstName R9 SYMATTR Value 10 SYMBOL cap 0 448 R0 SYMATTR InstName C6 SYMATTR Value .1µ SYMBOL res -352 -64 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R11 SYMATTR Value 137K SYMBOL res -352 144 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R12 SYMATTR Value 20K SYMBOL res -352 304 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R13 SYMATTR Value 20K SYMBOL cap -240 48 R0 SYMATTR InstName C7 SYMATTR Value .01µ SYMBOL cap -240 208 R0 SYMATTR InstName C8 SYMATTR Value .01µ SYMBOL cap -160 128 R0 WINDOW 0 29 19 Left 2 WINDOW 3 24 54 Left 2 SYMATTR InstName C9 SYMATTR Value .1µ SYMBOL res -352 528 M180 WINDOW 0 36 76 Left 2 WINDOW 3 36 40 Left 2 SYMATTR InstName R14 SYMATTR Value 137K SYMBOL cap 1296 192 R0 SYMATTR InstName C10 SYMATTR Value 100µ SYMBOL res 1408 160 R0 SYMATTR InstName Rload SYMATTR Value 1.7 SYMBOL voltage -1184 -336 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value PWL(0 0 20u 0 +1u 11 +200m 11 +100m 13 +100m 13 +100m 11) SYMBOL voltage -464 656 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value PWL(0 0 10u 0 +1u 12) SYMBOL res 272 -352 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R1 SYMATTR Value .004 SYMBOL res 272 640 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R10 SYMATTR Value .004 TEXT 1176 744 Left 2 !.tran 600m