Version 4
SHEET 1 1704 1044
WIRE -1328 208 -1328 160
WIRE -496 224 -496 176
WIRE -576 272 -640 272
WIRE -336 272 -336 176
WIRE -336 272 -480 272
WIRE -176 272 -336 272
WIRE 96 272 -96 272
WIRE 256 272 96 272
WIRE 432 272 256 272
WIRE -1328 304 -1328 288
WIRE 256 352 256 272
WIRE -336 368 -336 272
WIRE 96 368 96 272
WIRE -384 448 -528 448
WIRE -336 528 -336 464
WIRE 96 528 96 432
WIRE 256 528 256 432
WIRE -528 832 -528 448
FLAG -1328 736 0
FLAG -1328 656 Uglr
FLAG -640 272 Uglr
IOPIN -640 272 In
FLAG 96 528 0
FLAG -1328 304 0
FLAG -1328 432 pwm1
IOPIN -1328 432 Out
FLAG -1328 160 Uramp
FLAG -336 528 0
FLAG 432 272 Ua
FLAG -496 176 pwm1
FLAG -336 176 S
FLAG -1328 512 S
FLAG -1328 896 pwm2
IOPIN -1328 896 Out
FLAG -1328 976 0
FLAG -528 832 pwm2
FLAG 256 528 0
SYMBOL bv -1328 640 R0
SYMATTR InstName B1
SYMATTR Value V=48
SYMBOL voltage -1328 192 R0
WINDOW 3 38 97 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR Value PULSE(0 3 0 {0.5/freq} {0.5/freq} 1p {1/freq})
SYMATTR InstName V1
SYMBOL bv -1328 416 R0
SYMATTR InstName B3
SYMATTR Value V=4*(sgn(Vpwm-V(Uramp)) +1 )tripdv=0
SYMBOL cap 112 432 R180
WINDOW 0 24 56 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value 4.7µ
SYMBOL nmos -576 224 M90
SYMATTR InstName M1
SYMATTR Value FDH210N08
SYMBOL ind2 -192 288 R270
WINDOW 0 -57 52 VTop 2
WINDOW 3 4 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 40µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=0.05
SYMBOL nmos -384 368 R0
SYMATTR InstName M2
SYMATTR Value FDH210N08
SYMBOL bv -1328 880 R0
SYMATTR InstName B2
SYMATTR Value V=4*(-sgn(Vpwm-V(Uramp)) +1 )tripdv=0
SYMBOL res 240 336 R0
SYMATTR InstName R1
SYMATTR Value 10
TEXT -1632 -56 Left 2 !.params freq=500k vout=2.8V Vpwm=1.5
TEXT -1632 -96 Left 2 !.tran 0 100m 0 1e-8 uic
TEXT -1632 -8 Left 2 !.model MySwitch SW(Ron=0.0000001 Roff=1000Meg Vt=0 Vh=0.0 Lser=0 Vser=0)
TEXT -1080 -368 Left 6 ;Kommutierung Beispiel Mikrocontroller Net