Version 4
SHEET 1 2996 856
WIRE 304 -32 304 -64
WIRE 304 -32 64 -32
WIRE 416 -32 304 -32
WIRE 608 -32 496 -32
WIRE 720 -32 608 -32
WIRE 848 -32 784 -32
WIRE 912 -32 912 -64
WIRE 912 -32 848 -32
WIRE 608 64 608 -32
WIRE 304 80 304 -32
WIRE 560 80 528 80
WIRE 848 80 848 -32
WIRE 64 96 64 -32
WIRE 1952 128 1952 96
WIRE 608 176 608 144
WIRE 560 192 560 128
WIRE 848 224 848 144
WIRE 1952 224 1952 208
WIRE 64 272 64 176
WIRE 304 272 304 144
WIRE 304 272 64 272
WIRE 608 272 608 256
WIRE 64 304 64 272
WIRE 768 432 752 432
WIRE 912 432 912 400
WIRE 1152 464 1152 448
WIRE 768 528 768 432
WIRE 768 528 704 528
WIRE 800 528 768 528
WIRE 912 528 912 512
WIRE 912 528 880 528
WIRE 576 544 576 512
WIRE 576 544 512 544
WIRE 608 544 608 432
WIRE 608 544 576 544
WIRE 640 544 608 544
WIRE 912 544 912 528
WIRE 448 560 352 560
WIRE 736 560 704 560
WIRE 560 576 512 576
WIRE 736 576 736 560
WIRE 560 592 560 576
WIRE 672 608 672 576
WIRE 1808 624 1712 624
WIRE 1808 640 1808 624
WIRE 912 656 912 624
WIRE 1712 672 1712 624
WIRE 1712 672 1680 672
WIRE 560 688 560 672
WIRE 1616 688 1568 688
WIRE 1728 704 1680 704
WIRE 1728 720 1728 704
WIRE 1808 736 1808 720
FLAG 608 272 0
FLAG 64 304 0
FLAG 1952 224 0
FLAG 560 192 0
FLAG 848 224 0
FLAG 304 -64 Vbridge
FLAG 912 656 0
FLAG 736 656 0
FLAG 560 688 0
FLAG 1808 736 0
FLAG 1568 688 fpwm
FLAG 1728 800 0
FLAG 1152 368 V+
FLAG 1152 464 0
FLAG 672 512 V+
FLAG 672 608 0
FLAG 576 512 Verr
FLAG 912 -64 Vfb
IOPIN 912 -64 Out
FLAG 912 400 Vfb
IOPIN 912 400 In
FLAG 352 560 vpwm
IOPIN 352 560 Out
FLAG 528 80 vpwm
IOPIN 528 80 In
FLAG 1952 96 vp
SYMBOL voltage 64 80 R0
WINDOW 0 -63 16 Left 0
WINDOW 3 -206 115 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 -207 139 Left 0
SYMATTR InstName Ue
SYMATTR Value 85
SYMATTR SpiceLine Rser=0
SYMBOL cap 288 80 R0
SYMATTR InstName C1
SYMATTR Value 470n IC=0
SYMBOL ind 400 -16 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 510µ
SYMBOL sw 608 160 M180
SYMATTR InstName S1
SYMATTR Value switch
SYMBOL voltage 1952 112 R0
WINDOW 3 -174 170 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 1 0 1n 1n {duty} {fsw})
SYMATTR InstName V2
SYMBOL cap 832 80 R0
WINDOW 3 39 62 Left 0
SYMATTR Value 300µ IC={Vbulk}
SYMATTR InstName C2
SYMBOL res 592 160 R0
SYMATTR InstName R1
SYMATTR Value 0.001
SYMBOL diode 720 -16 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D5
SYMATTR Value dBoost
SYMBOL res 896 416 R0
SYMATTR InstName R2
SYMATTR Value 1190k
SYMBOL res 896 528 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL voltage 736 560 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vref
SYMATTR Value 2.5
SYMBOL voltage 560 576 R0
WINDOW 3 -340 164 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 5 0 {0.5/fpwm} {0.5/fpwm} 1p {1/fpwm})
SYMATTR InstName V3
SYMBOL Digital\\diffschmtbuf 512 496 M0
WINDOW 3 -897 235 Left 0
SYMATTR Value ref=0 Vlow=0 Vhigh={OutPWM} Td=10p Trise=1p Tfall=1p
SYMATTR InstName A2
SYMBOL Digital\\diffschmtbuf 1680 624 M0
WINDOW 3 27 194 Left 0
SYMATTR Value ref=0 Vlow=0 Vhigh={OutPWM} Td=10p Trise=1p Tfall=1p
SYMATTR InstName A1
SYMBOL voltage 1808 624 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value 0.7
SYMBOL voltage 1728 704 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V6
SYMATTR Value PULSE(0 1 0 {0.5/fpwm} {0.5/fpwm} 1p {1/fpwm})
SYMBOL voltage 1152 352 R0
WINDOW 3 39 55 Left 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value 1
SYMATTR InstName V4
SYMBOL Opamps\\UniversalOpamp2 672 544 M0
SYMATTR InstName U1
SYMBOL cap 672 416 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C3
SYMATTR Value 100n
SYMBOL res 768 416 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL res 896 512 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R6
SYMATTR Value 1k
TEXT -488 -224 Left 0 !.options plotwinsize=0
TEXT -488 -200 Left 0 !.model dBrdg D(Vfwd=.8 Ron=.001 Roff=1Meg)
TEXT -488 -176 Left 0 !.model switch SW(Ron=1m Roff=1meg Vt=0.5 Vh=0.1)
TEXT -480 376 Left 0 !.tran 0 100m 0 uic
TEXT -488 -152 Left 0 !.model dBoost D(Vfwd=.4 Ron=.001 Roff=1Meg)
TEXT 1104 232 Left 0 !.param Vbulk=0
TEXT -488 -128 Left 0 !.model dio D(Vfwd=.8 Ron=.001 Roff=1Meg)
TEXT 1160 24 Left 0 ;fs=65kHz
TEXT 1160 -8 Left 0 ;Parameter:
TEXT 1120 184 Left 0 ;300µ IC={Vbulk}
TEXT 1152 56 Left 0 ;Dmax=0,73
TEXT -472 408 Left 0 !.option plotwinsize=0
TEXT 1376 16 Left 0 !.param dutyval=0.5
TEXT 1376 104 Left 0 !.param fsw=1/{fs}
TEXT 1376 128 Left 0 !.param fs 65000
TEXT 1376 56 Left 0 !.param duty=({dutyval}*{fsw})
TEXT 8 840 Left 0 !.param OutPWM=1V
TEXT 368 824 Left 0 !.param fpwm=65k
TEXT 960 656 Left 0 !.lib opamp.sub
TEXT 1112 272 Left 0 ;.ic V(Vbulk)=300V
TEXT 112 448 Left 0 ;tau=R6*C3 ~ 100µs