Version 4 SHEET 1 1328 1328 WIRE -224 752 -480 752 WIRE -16 752 -144 752 WIRE 288 752 -16 752 WIRE 352 752 288 752 WIRE 464 752 416 752 WIRE 608 752 464 752 WIRE 720 752 608 752 WIRE 832 752 832 736 WIRE 832 752 720 752 WIRE -16 800 -16 752 WIRE -480 864 -480 752 WIRE 608 896 608 752 WIRE 464 912 464 752 WIRE 720 912 720 752 WIRE 288 928 288 752 WIRE -16 960 -16 880 WIRE -304 976 -368 976 WIRE -64 976 -304 976 WIRE 240 1008 160 1008 WIRE -368 1024 -368 976 WIRE -64 1024 -80 1024 WIRE 160 1024 160 1008 WIRE -480 1120 -480 944 WIRE -368 1120 -368 1104 WIRE -368 1120 -480 1120 WIRE -16 1120 -16 1040 WIRE -16 1120 -368 1120 WIRE 160 1120 160 1104 WIRE 160 1120 -16 1120 WIRE 288 1120 288 1024 WIRE 288 1120 160 1120 WIRE 464 1120 464 976 WIRE 464 1120 288 1120 WIRE 608 1120 608 960 WIRE 608 1120 464 1120 WIRE 720 1120 720 992 WIRE 720 1120 608 1120 WIRE -480 1136 -480 1120 FLAG -480 1136 0 FLAG -80 1024 0 FLAG 832 736 Vout IOPIN 832 736 Out FLAG -304 976 Schalter SYMBOL VOLTAGE -480 848 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName Akku SYMATTR Value 1.0 SYMBOL ind -240 768 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 5 56 VBottom 0 SYMATTR InstName L1 SYMATTR Value 1000µ SYMBOL cap 448 912 R0 SYMATTR InstName C1 SYMATTR Value 17µ SYMBOL res 704 896 R0 SYMATTR InstName Atmega_Dummy SYMATTR Value 2.5k SYMBOL voltage -368 1008 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 -21 147 Left 0 SYMATTR Value PULSE(0 3 2m 0.5m 0.5m 50m 1000m 1) SYMATTR InstName V2 SYMBOL res -32 784 R0 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL schottky 352 768 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName D1 SYMATTR Value BAT54 SYMBOL sw -16 1056 M180 SYMATTR InstName S1 SYMATTR Value MYSW SYMBOL nmos 240 928 R0 SYMATTR InstName M2 SYMATTR Value BSS123 SYMBOL zener 624 960 R180 WINDOW 0 24 72 Left 0 WINDOW 3 24 0 Left 0 SYMATTR InstName D2 SYMATTR Value 1N750 SYMBOL voltage 160 1008 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 WINDOW 3 -17 152 Left 0 SYMATTR Value PULSE(0 3 55m 1u 1u 80u 100u 1000) SYMATTR InstName V1 TEXT -488 1248 Left 0 !.tran 0 100m 0 startup TEXT -488 1280 Left 0 !.model MYSW SW(Ron=0.1 Roff=10Meg Vt=1 Vh=0)