Version 4 SHEET 1 1468 1168 WIRE 208 -736 208 -752 WIRE -128 -640 -224 -640 WIRE 304 -640 -128 -640 WIRE 688 -640 304 -640 WIRE 752 -640 688 -640 WIRE -224 -624 -224 -640 WIRE -128 -624 -128 -640 WIRE 208 -608 208 -672 WIRE 528 -608 208 -608 WIRE 560 -608 528 -608 WIRE 752 -608 752 -640 WIRE 208 -592 208 -608 WIRE 304 -592 304 -640 WIRE -224 -528 -224 -544 WIRE -128 -528 -128 -544 WIRE -32 -528 -128 -528 WIRE 704 -528 448 -528 WIRE -128 -512 -128 -528 WIRE 560 -512 560 -608 WIRE 480 -432 448 -432 WIRE 560 -432 560 -448 WIRE 560 -432 480 -432 WIRE -128 -416 -128 -432 WIRE 480 -416 480 -432 WIRE -128 -336 -144 -336 WIRE -32 -336 -48 -336 WIRE 480 -336 480 -352 WIRE 480 -336 448 -336 WIRE 752 -336 752 -512 WIRE 752 -336 480 -336 WIRE 816 -336 752 -336 WIRE 928 -336 896 -336 WIRE 944 -336 928 -336 WIRE 1040 -336 1024 -336 WIRE 1120 -336 1040 -336 WIRE 1184 -336 1120 -336 WIRE 1296 -336 1184 -336 WIRE 752 -320 752 -336 WIRE 1296 -320 1296 -336 WIRE 1184 -304 1184 -336 WIRE 704 -240 448 -240 WIRE 928 -240 928 -336 WIRE 1040 -240 1040 -336 WIRE 1184 -224 1184 -240 WIRE 1296 -224 1296 -240 WIRE 752 -208 752 -224 WIRE 928 -144 928 -160 WIRE 928 -144 448 -144 WIRE 928 -128 928 -144 WIRE 928 -48 928 -64 WIRE 928 -48 448 -48 WIRE 1040 -48 1040 -160 WIRE 1040 -48 928 -48 WIRE 464 48 448 48 WIRE 688 64 688 -640 WIRE 640 144 448 144 WIRE 528 160 528 -608 WIRE 480 240 448 240 WIRE 528 240 528 224 WIRE 528 240 480 240 WIRE 480 256 480 240 WIRE 480 336 480 320 WIRE 480 336 448 336 WIRE 688 336 688 160 WIRE 688 336 480 336 WIRE 816 336 688 336 WIRE 928 336 896 336 WIRE 944 336 928 336 WIRE 1040 336 1024 336 WIRE 1120 336 1120 -336 WIRE 1120 336 1040 336 WIRE 688 352 688 336 WIRE -256 432 -272 432 WIRE -32 432 -192 432 WIRE 640 432 448 432 WIRE 928 432 928 336 WIRE 1040 432 1040 336 WIRE 688 464 688 448 WIRE -112 528 -128 528 WIRE -32 528 -48 528 WIRE 928 528 928 512 WIRE 928 528 448 528 WIRE 928 544 928 528 WIRE -32 624 -128 624 WIRE 928 624 928 608 WIRE 928 624 448 624 WIRE 1040 624 1040 512 WIRE 1040 624 928 624 WIRE -128 688 -128 624 WIRE -32 720 -48 720 WIRE 464 720 448 720 WIRE 352 800 352 784 WIRE -128 832 -128 768 WIRE 256 832 256 784 WIRE 256 832 -128 832 WIRE 800 832 256 832 WIRE 1120 832 1120 336 WIRE 1120 832 880 832 WIRE 160 848 160 784 WIRE -48 944 -64 944 WIRE 64 944 64 784 WIRE 64 944 32 944 WIRE 160 944 160 928 WIRE 160 944 64 944 WIRE 272 944 160 944 WIRE 1120 944 1120 832 WIRE 1120 944 336 944 FLAG -224 -528 0 FLAG 208 -752 0 FLAG 752 -208 0 FLAG 1296 -224 0 FLAG -224 -640 IN FLAG 1296 -336 OUT FLAG 688 464 0 FLAG -144 -336 0 FLAG 464 48 0 FLAG 464 720 0 FLAG 352 800 0 FLAG -48 720 0 FLAG -128 528 0 FLAG -272 432 0 FLAG -64 944 0 FLAG -128 -416 0 FLAG 1184 -224 0 SYMBOL voltage -224 -640 R0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL cap 192 -736 R0 SYMATTR InstName C1 SYMATTR Value 4.7µ SYMBOL nmos 704 -608 R0 SYMATTR InstName Q1 SYMATTR Value RJK0305DPB SYMBOL nmos 704 -320 R0 SYMATTR InstName Q2 SYMATTR Value RJK0301DPB SYMBOL cap 464 -416 R0 SYMATTR InstName C2 SYMATTR Value .1µ SYMBOL schottky 544 -512 R0 SYMATTR InstName D1 SYMATTR Value CMDSH2-3 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 800 -320 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value .22µ SYMATTR SpiceLine Rser=4m SYMBOL res 928 -320 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 1m SYMBOL cap 912 -128 R0 SYMATTR InstName C3 SYMATTR Value 10p SYMBOL res 912 -256 R0 SYMATTR InstName R2 SYMATTR Value 200 SYMBOL res 1024 -256 R0 SYMATTR InstName R3 SYMATTR Value 200 SYMBOL nmos 640 64 R0 SYMATTR InstName Q3 SYMATTR Value RJK0305DPB SYMBOL nmos 640 352 R0 SYMATTR InstName Q4 SYMATTR Value RJK0301DPB SYMBOL cap 464 256 R0 SYMATTR InstName C4 SYMATTR Value .1µ SYMBOL schottky 512 160 R0 SYMATTR InstName D2 SYMATTR Value CMDSH2-3 SYMATTR Description Diode SYMATTR Type diode SYMBOL ind 800 352 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value .22µ SYMATTR SpiceLine Rser=4m SYMBOL res 928 352 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 1m SYMBOL cap 912 544 R0 SYMATTR InstName C5 SYMATTR Value 10p SYMBOL res 912 416 R0 SYMATTR InstName R5 SYMATTR Value 200 SYMBOL res 1024 416 R0 SYMATTR InstName R6 SYMATTR Value 200 SYMBOL res -32 -352 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R7 SYMATTR Value 100K SYMBOL res 896 816 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R8 SYMATTR Value 100 SYMBOL res -144 672 R0 SYMATTR InstName R9 SYMATTR Value 49.9 SYMBOL cap -48 512 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C6 SYMATTR Value .001µ SYMBOL cap -192 416 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 WINDOW 39 53 32 VTop 2 SYMATTR InstName C7 SYMATTR Value 330p SYMATTR SpiceLine Rser=2.68K Cpar=47p SYMBOL res 144 832 R0 SYMATTR InstName R10 SYMATTR Value 30.1K SYMBOL res 48 928 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R11 SYMATTR Value 20K SYMBOL cap 336 928 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C8 SYMATTR Value 100p SYMBOL res -144 -640 R0 SYMATTR InstName R12 SYMATTR Value 80K SYMBOL res -144 -528 R0 SYMATTR InstName R13 SYMATTR Value 40K SYMBOL cap 1168 -304 R0 WINDOW 123 29 64 Left 2 WINDOW 3 40 37 Left 2 SYMATTR Value2 x8 SYMATTR Value 100µ SYMATTR InstName C9 SYMATTR SpiceLine Rser=5m SYMBOL res 1280 -336 R0 SYMATTR InstName Rload SYMATTR Value 30m SYMBOL LTC3856 208 96 R0 SYMATTR InstName U1 TEXT 1216 384 Left 2 !.tran 750u startup