Version 4 SHEET 1 1144 788 WIRE -288 -384 -752 -384 WIRE -64 -384 -288 -384 WIRE 80 -384 -64 -384 WIRE 512 -384 80 -384 WIRE 688 -384 512 -384 WIRE -752 -368 -752 -384 WIRE -64 -368 -64 -384 WIRE 512 -368 512 -384 WIRE -288 -352 -288 -384 WIRE 688 -352 688 -384 WIRE 224 -320 224 -336 WIRE 368 -320 368 -336 WIRE -160 -288 -176 -288 WIRE -64 -288 -80 -288 WIRE 528 -288 512 -288 WIRE 624 -288 608 -288 WIRE -752 -272 -752 -288 WIRE -512 -256 -608 -256 WIRE -432 -256 -512 -256 WIRE -400 -256 -432 -256 WIRE -288 -256 -288 -272 WIRE -288 -256 -336 -256 WIRE 688 -256 688 -272 WIRE 784 -256 688 -256 WIRE 880 -256 848 -256 WIRE 944 -256 880 -256 WIRE 1040 -256 944 -256 WIRE -608 -240 -608 -256 WIRE -512 -240 -512 -256 WIRE -64 -240 -64 -288 WIRE 80 -240 80 -384 WIRE 224 -240 224 -256 WIRE 368 -240 368 -256 WIRE 512 -240 512 -288 WIRE 944 -240 944 -256 WIRE 1040 -240 1040 -256 WIRE -144 -176 -240 -176 WIRE 640 -176 592 -176 WIRE -608 -144 -608 -160 WIRE -512 -144 -512 -176 WIRE 944 -144 944 -176 WIRE 1040 -144 1040 -160 WIRE -288 -80 -288 -160 WIRE -144 -80 -288 -80 WIRE 688 -80 688 -160 WIRE 688 -80 592 -80 WIRE -432 16 -432 -256 WIRE -288 16 -288 0 WIRE -144 16 -288 16 WIRE 688 16 688 0 WIRE 688 16 592 16 WIRE 880 16 880 -256 WIRE -288 32 -288 16 WIRE 688 32 688 16 WIRE -432 112 -432 96 WIRE -144 112 -432 112 WIRE 880 112 880 96 WIRE 880 112 592 112 WIRE -432 128 -432 112 WIRE 880 128 880 112 WIRE -240 208 -256 208 WIRE -144 208 -176 208 WIRE 608 208 592 208 WIRE 704 208 672 208 WIRE -432 224 -432 208 WIRE 880 224 880 208 WIRE -240 304 -256 304 WIRE -144 304 -176 304 WIRE 608 304 592 304 WIRE 704 304 672 304 WIRE -240 400 -256 400 WIRE -144 400 -160 400 WIRE 608 400 592 400 WIRE 704 400 688 400 WIRE 624 592 592 592 WIRE -64 672 -64 656 WIRE 80 672 80 656 WIRE 224 672 224 656 WIRE 368 672 368 656 WIRE 224 768 224 752 FLAG -752 -272 0 FLAG -288 32 0 FLAG -608 -144 0 FLAG -512 -144 0 FLAG -432 224 0 FLAG -752 -384 IN FLAG -608 -256 OUT1 FLAG -256 208 0 FLAG -256 304 0 FLAG -256 400 0 FLAG 224 -336 0 FLAG 368 -336 0 FLAG -64 672 0 FLAG 80 672 0 FLAG 368 672 0 FLAG 224 768 0 FLAG 688 32 0 FLAG 1040 -144 0 FLAG 944 -144 0 FLAG 880 224 0 FLAG 1040 -256 OUT2 FLAG 704 208 0 FLAG 704 304 0 FLAG 704 400 0 FLAG -176 -288 0 FLAG 624 -288 0 SYMBOL voltage -752 -384 R0 SYMATTR InstName V1 SYMATTR Value 10 SYMBOL ind -304 -368 R0 SYMATTR InstName L1 SYMATTR Value 19.4µ SYMBOL cap 208 -320 R0 SYMATTR InstName C1 SYMATTR Value 4.7µ SYMBOL cap 352 -320 R0 SYMATTR InstName C2 SYMATTR Value 1n SYMBOL nmos -240 -256 M0 WINDOW 0 -35 30 Left 2 WINDOW 3 -68 105 Left 2 SYMATTR InstName M1 SYMATTR Value Si7370DP SYMBOL res -304 -96 R0 SYMATTR InstName R1 SYMATTR Value 3m SYMBOL diode -336 -272 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D1 SYMATTR Value PDS760 SYMBOL cap -528 -240 R0 SYMATTR InstName C3 SYMATTR Value 100µ SYMBOL res -624 -256 R0 SYMATTR InstName R2 SYMATTR Value 20 SYMBOL res -448 0 R0 SYMATTR InstName R3 SYMATTR Value 475K SYMBOL res -448 112 R0 SYMATTR InstName R4 SYMATTR Value 12.4K SYMBOL cap -176 192 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C4 SYMATTR Value 10n SYMATTR Value2 Rser=10K Cpar=100p SYMBOL cap -176 288 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C5 SYMATTR Value 10n SYMBOL res -144 384 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R5 SYMATTR Value 100K SYMBOL res 208 656 R0 SYMATTR InstName R6 SYMATTR Value 100K SYMBOL ind 672 -368 R0 SYMATTR InstName L2 SYMATTR Value 19.4µ SYMBOL nmos 640 -256 R0 SYMATTR InstName M2 SYMATTR Value Si7370DP SYMBOL res 672 -96 R0 SYMATTR InstName R7 SYMATTR Value 3m SYMBOL diode 784 -272 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName D2 SYMATTR Value PDS760 SYMBOL cap 928 -240 R0 SYMATTR InstName C6 SYMATTR Value 100µ SYMBOL res 1024 -256 R0 SYMATTR InstName R8 SYMATTR Value 20 SYMBOL res 864 0 R0 SYMATTR InstName R9 SYMATTR Value 475K SYMBOL res 864 112 R0 SYMATTR InstName R10 SYMATTR Value 12.4K SYMBOL cap 608 192 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C7 SYMATTR Value 10n SYMATTR Value2 Rser=10K Cpar=100p SYMBOL cap 608 288 M90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C8 SYMATTR Value 10n SYMBOL res 592 416 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R11 SYMATTR Value 100K SYMBOL res -80 -384 R0 SYMATTR InstName R12 SYMATTR Value 84.5K SYMBOL res -64 -304 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R13 SYMATTR Value 12.1K SYMBOL res 496 -384 R0 WINDOW 0 32 27 Left 2 WINDOW 3 32 46 Left 2 SYMATTR InstName R14 SYMATTR Value 84.5K SYMBOL res 624 -304 R90 WINDOW 0 1 52 VBottom 2 WINDOW 3 34 47 VTop 2 SYMATTR InstName R15 SYMATTR Value 12.1K SYMBOL PowerProducts\\LTC7840 224 208 R0 SYMATTR InstName U1 TEXT 728 688 Left 2 !.tran 2.2m startup