Version 4
SHEET 1 1484 680
WIRE 32 -16 -208 -16
WIRE 240 -16 32 -16
WIRE 304 -16 240 -16
WIRE 448 -16 384 -16
WIRE 512 -16 448 -16
WIRE 640 -16 576 -16
WIRE 752 -16 640 -16
WIRE 816 -16 752 -16
WIRE 864 -16 816 -16
WIRE -208 0 -208 -16
WIRE 640 16 640 -16
WIRE 864 16 864 -16
WIRE -48 80 -144 80
WIRE 96 80 16 80
WIRE 112 80 96 80
WIRE 448 96 448 -16
WIRE 752 96 752 -16
WIRE 640 128 640 96
WIRE 640 128 576 128
WIRE 864 128 864 96
WIRE 1024 128 864 128
WIRE 32 144 32 -16
WIRE 240 144 240 -16
WIRE -144 160 -144 80
WIRE 0 160 -144 160
WIRE 208 160 192 160
WIRE 640 160 640 128
WIRE 336 176 272 176
WIRE 400 176 336 176
WIRE 864 176 864 128
WIRE 0 192 -80 192
WIRE 64 192 64 176
WIRE 112 192 112 80
WIRE 112 192 64 192
WIRE 208 192 112 192
WIRE -336 208 -336 192
WIRE -80 208 -80 192
WIRE 1152 208 1072 208
WIRE 1184 208 1152 208
WIRE -336 304 -336 288
WIRE -80 304 -80 288
WIRE 32 304 32 208
WIRE 240 304 240 208
WIRE 448 304 448 192
WIRE 640 304 640 240
WIRE 752 304 752 160
WIRE 864 304 864 256
WIRE 1024 304 1024 224
WIRE 1184 304 1184 288
WIRE -144 384 -144 160
WIRE 576 384 576 128
WIRE 576 384 -144 384
FLAG 448 304 0
FLAG 240 304 0
FLAG 640 304 0
FLAG 752 304 0
FLAG 864 304 0
FLAG -336 304 0
FLAG -208 80 0
FLAG 32 304 0
FLAG -80 304 0
FLAG 816 -16 DCout
FLAG 96 80 EAOUT
FLAG 336 176 gate
FLAG -336 192 clock
FLAG 192 160 clock
FLAG 1184 304 0
FLAG 1152 208 step
FLAG 1024 304 0
SYMBOL voltage -336 192 R0
WINDOW 0 41 56 Left 2
WINDOW 3 -133 149 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vclock
SYMATTR Value PULSE(0 16 0 5u 5u 0 10u)
SYMBOL voltage -208 -16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vbat
SYMATTR Value 12
SYMBOL Opamps\\UniversalOpamp2 240 176 R0
SYMATTR InstName U1
SYMATTR SpiceModel level.3b
SYMATTR Value2 Avol=1Meg GBW=1G Slew=1G
SYMATTR SpiceLine ilimit=1 rail=0 Vos=0 phimargin=45
SYMBOL ind 288 0 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10µ
SYMBOL schottky 512 0 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 36 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBR20100CT
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL nmos 400 96 R0
SYMATTR InstName M1
SYMATTR Value IRF530
SYMBOL res 624 0 R0
SYMATTR InstName R1
SYMATTR Value 19k
SYMBOL res 624 144 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL cap 736 96 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMBOL res 848 0 R0
SYMATTR InstName R3
SYMATTR Value {Rlast}
SYMBOL Opamps\\UniversalOpamp2 32 176 R0
SYMATTR InstName U2
SYMATTR SpiceModel level.3b
SYMATTR Value2 Avol=1Meg GBW=1G Slew=1G
SYMATTR SpiceLine ilimit=1 rail=0 Vos=0 phimargin=45
SYMBOL voltage -80 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vref
SYMATTR Value 1
SYMBOL cap 16 64 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value {Cint}
SYMBOL res 848 160 R0
SYMATTR InstName R4
SYMATTR Value {10*Rlast}
SYMBOL voltage 1184 192 R0
WINDOW 0 41 56 Left 2
WINDOW 3 -133 149 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName Vstep
SYMATTR Value PULSE(-10 10 0 1u 1u 4999u 10m)
SYMBOL nmos 1072 128 M0
SYMATTR InstName M2
SYMATTR Value IRF530
TEXT -800 288 Left 2 !.param Cint 100n
TEXT 336 408 Left 2 !.tran 30m
TEXT -800 56 Left 2 ;Tastverhältnis < Vbat / Vclock
TEXT -824 336 Left 2 !.param Rlast 10
TEXT 584 416 Left 4 ;Aufwärtswandler im voltage mode