Version 4
SHEET 1 1892 1876
WIRE 624 -1984 608 -1984
WIRE 640 -1984 624 -1984
WIRE 608 -1952 608 -1984
WIRE -192 -1888 -208 -1888
WIRE -96 -1888 -112 -1888
WIRE -80 -1888 -96 -1888
WIRE 0 -1888 -32 -1888
WIRE 112 -1888 80 -1888
WIRE 160 -1888 112 -1888
WIRE 288 -1888 240 -1888
WIRE 1152 -1888 1120 -1888
WIRE -32 -1856 -32 -1888
WIRE 112 -1856 112 -1888
WIRE 1120 -1856 1120 -1888
WIRE 608 -1840 608 -1872
WIRE 16 -1792 -32 -1856
WIRE 64 -1792 112 -1856
WIRE 352 -1792 288 -1888
WIRE -192 -1744 -272 -1744
WIRE -64 -1744 -112 -1744
WIRE -16 -1744 -64 -1744
WIRE 16 -1744 16 -1792
WIRE 16 -1744 -16 -1744
WIRE 64 -1744 64 -1792
WIRE 80 -1744 64 -1744
WIRE 112 -1744 80 -1744
WIRE 256 -1744 192 -1744
WIRE 352 -1744 352 -1792
WIRE 352 -1744 336 -1744
WIRE 384 -1744 352 -1744
WIRE 480 -1744 448 -1744
WIRE 512 -1744 480 -1744
WIRE 656 -1744 512 -1744
WIRE 768 -1744 656 -1744
WIRE 784 -1744 768 -1744
WIRE 1120 -1744 1120 -1776
WIRE 512 -1712 512 -1744
WIRE 656 -1712 656 -1744
WIRE -64 -1696 -64 -1744
WIRE 768 -1632 768 -1744
WIRE 112 -1600 96 -1600
WIRE 224 -1600 192 -1600
WIRE 256 -1600 224 -1600
WIRE 368 -1600 336 -1600
WIRE 512 -1600 512 -1648
WIRE 656 -1600 656 -1632
WIRE -64 -1584 -64 -1616
WIRE 528 -1520 512 -1520
WIRE 608 -1520 592 -1520
WIRE 704 -1520 688 -1520
WIRE 768 -1520 768 -1552
WIRE 768 -1520 704 -1520
WIRE -176 -1504 -192 -1504
WIRE -80 -1504 -96 -1504
WIRE 768 -1488 768 -1520
WIRE -192 -1472 -192 -1504
WIRE 128 -1472 96 -1472
WIRE 224 -1472 224 -1600
WIRE 224 -1472 192 -1472
WIRE 256 -1472 224 -1472
WIRE 368 -1472 336 -1472
WIRE 512 -1440 512 -1520
WIRE 576 -1440 512 -1440
WIRE 704 -1440 704 -1520
WIRE 704 -1440 640 -1440
WIRE 272 -1424 256 -1424
WIRE 448 -1424 320 -1424
WIRE 512 -1424 512 -1440
WIRE 512 -1424 448 -1424
WIRE 768 -1376 768 -1408
WIRE 704 -1360 704 -1440
WIRE 704 -1360 656 -1360
WIRE -192 -1344 -192 -1392
WIRE -160 -1344 -192 -1344
WIRE -64 -1344 -160 -1344
WIRE 160 -1344 80 -1344
WIRE 224 -1344 160 -1344
WIRE 256 -1344 224 -1344
WIRE 368 -1344 336 -1344
WIRE 512 -1344 512 -1424
WIRE 592 -1344 512 -1344
WIRE 688 -1328 656 -1328
WIRE -192 -1312 -192 -1344
WIRE -64 -1312 -64 -1344
WIRE 80 -1312 80 -1344
WIRE 224 -1312 224 -1344
WIRE -192 -1216 -192 -1248
WIRE -64 -1216 -64 -1232
WIRE 80 -1216 80 -1232
WIRE 224 -1216 224 -1248
WIRE -128 -944 -272 -944
WIRE 160 -944 144 -944
WIRE 192 -944 160 -944
WIRE 304 -944 256 -944
WIRE 400 -944 384 -944
WIRE 480 -944 400 -944
WIRE 592 -944 480 -944
WIRE 640 -944 592 -944
WIRE 480 -928 480 -944
WIRE 400 -880 400 -944
WIRE 400 -880 144 -880
WIRE 592 -864 592 -944
WIRE -128 -848 -160 -848
WIRE 480 -848 480 -864
WIRE -32 -784 -32 -816
WIRE -32 -784 -48 -784
WIRE 48 -752 48 -816
WIRE 48 -752 -256 -752
WIRE 480 -752 480 -784
WIRE 480 -752 48 -752
WIRE 592 -752 592 -784
WIRE 592 -752 480 -752
WIRE -256 -736 -256 -752
WIRE -160 -640 -160 -848
WIRE -96 -640 -160 -640
WIRE 32 -640 -32 -640
WIRE -160 -560 -160 -640
WIRE -144 -560 -160 -560
WIRE -48 -560 -80 -560
WIRE 32 -560 32 -640
WIRE 32 -560 16 -560
WIRE 400 -560 400 -880
WIRE 32 -480 32 -560
WIRE 400 -480 400 -496
WIRE 400 -480 32 -480
WIRE 400 -464 400 -480
WIRE 32 -416 32 -480
WIRE 32 -416 -16 -416
WIRE -160 -400 -160 -560
WIRE -160 -400 -192 -400
WIRE -80 -400 -160 -400
WIRE 160 -384 -16 -384
WIRE 160 -368 160 -384
WIRE 160 -256 160 -288
WIRE 400 -256 400 -400
WIRE 400 -256 160 -256
WIRE 400 -240 400 -256
WIRE -384 -64 -400 -64
WIRE 384 -64 -384 -64
WIRE 656 -64 480 -64
WIRE 720 -64 656 -64
WIRE 752 -64 720 -64
WIRE 832 -64 816 -64
WIRE 928 -64 912 -64
WIRE 1008 -64 928 -64
WIRE 1120 -64 1008 -64
WIRE 1168 -64 1120 -64
WIRE 1008 -48 1008 -64
WIRE 464 0 464 -16
WIRE 656 0 656 -64
WIRE 64 32 -144 32
WIRE 208 32 160 32
WIRE 304 32 208 32
WIRE 400 32 400 -16
WIRE 400 32 304 32
WIRE 1008 32 1008 16
WIRE -384 48 -384 -64
WIRE 304 48 304 32
WIRE 400 48 400 32
WIRE 64 80 16 80
WIRE 208 80 176 80
WIRE 240 80 208 80
WIRE 64 128 64 112
WIRE 256 128 224 128
WIRE 304 128 304 112
WIRE 304 128 256 128
WIRE 400 128 400 112
WIRE 400 128 304 128
WIRE -144 144 -144 32
WIRE 304 144 304 128
WIRE 1120 144 1120 -64
WIRE -384 240 -384 128
WIRE -144 240 -144 224
WIRE -144 240 -384 240
WIRE 304 240 304 208
WIRE 304 240 -144 240
WIRE 656 240 656 64
WIRE 656 240 304 240
WIRE 1008 240 1008 96
WIRE 1008 240 656 240
WIRE 1120 240 1120 224
WIRE 1120 240 1008 240
WIRE -384 256 -384 240
WIRE 496 288 464 288
WIRE 528 288 496 288
WIRE 528 320 528 288
WIRE 16 336 16 80
WIRE 32 336 16 336
WIRE 496 336 96 336
WIRE 656 336 560 336
WIRE 784 336 656 336
WIRE 992 336 784 336
WIRE 784 352 784 336
WIRE 992 352 992 336
WIRE 144 368 96 368
WIRE 656 368 656 336
WIRE 80 400 80 384
WIRE 496 400 432 400
WIRE 592 400 560 400
WIRE 432 416 432 400
WIRE 144 448 144 368
WIRE 528 448 528 416
WIRE 656 448 656 432
WIRE 784 448 784 432
WIRE 992 448 992 432
WIRE 928 512 928 -64
WIRE 592 528 592 400
WIRE 656 528 592 528
WIRE 784 528 720 528
WIRE 144 544 144 528
WIRE 592 608 592 528
WIRE 608 608 592 608
WIRE 704 608 672 608
WIRE 784 608 784 528
WIRE 784 608 768 608
WIRE 864 608 784 608
WIRE 928 608 928 576
WIRE 928 608 864 608
WIRE 784 736 784 608
WIRE 784 736 720 736
WIRE 592 752 592 608
WIRE 592 752 560 752
WIRE 656 752 592 752
WIRE 832 768 720 768
WIRE 832 784 832 768
WIRE 928 784 928 608
WIRE 832 896 832 864
WIRE 928 896 928 848
WIRE 928 896 832 896
WIRE 928 912 928 896
FLAG 1168 -64 OUT3
IOPIN 1168 -64 Out
FLAG -400 -64 i
IOPIN -400 -64 In
FLAG 560 752 Verr3
IOPIN 560 752 Out
FLAG 720 -64 c3
FLAG 928 912 0
FLAG -384 256 0
FLAG 64 128 0
FLAG 144 544 0
FLAG 464 0 0
FLAG 80 400 0
FLAG 208 32 q3
FLAG 208 80 qb3
FLAG 256 128 LEB3
FLAG 656 448 0
FLAG 784 448 0
FLAG 432 416 0
FLAG 864 608 FDB3
FLAG 496 288 i
FLAG 528 448 0
FLAG 640 -944 OUT2
IOPIN 640 -944 Out
FLAG -272 -944 i
IOPIN -272 -944 In
FLAG -192 -400 Verr2
IOPIN -192 -400 Out
FLAG 160 -944 c2
FLAG -48 -784 Duty2
IOPIN -48 -784 Out
FLAG 400 -240 0
FLAG -256 -736 0
FLAG 768 -1376 0
FLAG 512 -1600 0
FLAG 656 -1600 0
FLAG 1120 -1744 0
FLAG -80 -1504 0
FLAG -192 -1504 d
FLAG 80 -1216 0
FLAG 224 -1216 0
FLAG -64 -1216 0
FLAG -192 -1216 0
FLAG 160 -1344 ramp
FLAG -16 -1744 x
FLAG -64 -1584 0
FLAG 368 -1600 0
FLAG 96 -1472 0
FLAG 368 -1472 0
FLAG 224 -1600 di
FLAG 368 -1344 0
FLAG 80 -1744 y
FLAG -208 -1888 0
FLAG -96 -1888 Dz
FLAG -272 -1744 i
IOPIN -272 -1744 BiDir
FLAG 784 -1744 o
IOPIN 784 -1744 BiDir
FLAG 256 -1424 0
FLAG 448 -1424 Verr
FLAG 1152 -1888 ref
IOPIN 1152 -1888 Out
FLAG 480 -1744 o
FLAG 688 -1328 ref
IOPIN 688 -1328 In
FLAG 608 -1840 0
FLAG 624 -1984 Kf
FLAG -160 -1344 c
FLAG 96 -1600 0
FLAG 992 448 0
SYMBOL res2 992 -48 R0
SYMATTR InstName Resr3
SYMATTR Value 70m
SYMBOL cap 992 32 R0
SYMATTR InstName Cout3
SYMATTR Value 100µF
SYMBOL voltage -384 32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 24 132 Left 0
WINDOW 3 26 91 Left 0
SYMATTR Value 8.24V
SYMATTR InstName V4
SYMBOL res2 672 592 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName R1
SYMATTR Value 20k
SYMBOL cap 768 592 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 10nF
SYMBOL cap 720 512 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 470pF
SYMBOL voltage 832 768 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 2.5V
SYMBOL res2 752 -48 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName R4
SYMATTR Value 20m
SYMBOL res2 912 784 R0
SYMATTR InstName R8
SYMATTR Value 10k
SYMBOL res2 912 512 R0
SYMATTR InstName R7
SYMATTR Value 10k
SYMBOL current 1120 144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -148 139 Left 0
SYMATTR Value PULSE({I1} {I2} 1m 100u 100u 2.99m 6m)
SYMATTR InstName Iout3
SYMBOL voltage -144 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 -193 145 Left 0
SYMATTR Value PULSE(0 15 0 10n 10n 100n 5u)
SYMATTR InstName Vclock
SYMBOL D 656 32 M180
WINDOW 0 32 30 Left 0
WINDOW 38 32 0 Left 0
WINDOW 3 32 -30 Left 0
SYMATTR InstName D1
SYMATTR SpiceModel DN
SYMATTR Value N=0.01
SYMBOL SWITCH 432 -64 R270
WINDOW 0 76 -9 VRight 0
WINDOW 3 53 -24 VRight 0
SYMATTR InstName S1
SYMATTR Value PSW
SYMBOL Digital\\srflop 112 -16 R0
SYMATTR InstName A2
SYMATTR Value2 Trise={Trise} Td={Td} Ref={Ref} Vhigh={Vhigh} Vlow={Vlow} Vh={Vh} Vt={Vt}
SYMBOL voltage 144 432 M0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vreset
SYMATTR Value PULSE(0 15 4.8u 10n 10n 50n 5u)
SYMBOL Digital\\or 64 288 M0
SYMATTR InstName A1
SYMATTR Value2 Trise={Trise} Td={Td} Ref={Ref} Vhigh={Vhigh} Vlow={Vlow} Vh={Vh} Vt={Vt}
SYMBOL res2 288 48 R0
SYMATTR InstName R2
SYMATTR Value 680
SYMBOL cap 288 144 R0
SYMATTR InstName C3
SYMATTR Value 200pF
SYMBOL diode 384 112 M180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL res2 640 368 R0
SYMATTR InstName R3
SYMATTR Value 1
SYMBOL bi2 784 352 R0
WINDOW 3 -119 -42 Left 0
SYMATTR Value I=if(V(LEB3)>3, I(L1), 0)
SYMATTR InstName B1
SYMBOL CMP-STD 496 368 M0
WINDOW 39 38 121 Right 0
SYMATTR SpiceLine hys=1u
SYMATTR InstName X5
SYMBOL Opamps\\opamp 688 688 M0
WINDOW 0 3 -20 Right 0
WINDOW 39 24 9 Right 0
WINDOW 40 79 116 Right 0
SYMATTR InstName X1
SYMATTR SpiceLine Aol=1K
SYMBOL ind2 816 -48 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 4 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 35µ
SYMBOL res2 464 -928 R0
SYMATTR InstName Resr2
SYMATTR Value 70m
SYMBOL cap 464 -848 R0
SYMATTR InstName Cout2
SYMATTR Value 100µF
SYMBOL res2 -80 -576 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName R5
SYMATTR Value 20k
SYMBOL cap 16 -576 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C4
SYMATTR Value 10nF
SYMBOL cap -32 -656 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C5
SYMATTR Value 470pF
SYMBOL voltage 160 -384 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 2.5V
SYMBOL res2 192 -928 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName R6
SYMATTR Value 20m
SYMBOL res2 384 -464 R0
SYMATTR InstName R9
SYMATTR Value 10k
SYMBOL res2 384 -560 R0
SYMATTR InstName R10
SYMATTR Value 10k
SYMBOL current 592 -864 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Iout2
SYMATTR Value PULSE({I1} {I2} 1m 100u 100u 2.99m 6m)
SYMBOL Opamps\\opamp -48 -464 M0
WINDOW 0 3 -20 Right 0
WINDOW 39 24 9 Right 0
WINDOW 40 79 116 Right 0
SYMATTR InstName X3
SYMATTR SpiceLine Aol=1K
SYMBOL ind2 288 -928 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 4 56 VBottom 0
SYMATTR InstName L2
SYMATTR Value 35µ
SYMBOL BUCK-CCM-DCM-CM 16 -896 R0
WINDOW 39 -146 -125 Left 0
SYMATTR SpiceLine L=35u Fs=200k Ri=1 Se=250m
SYMATTR InstName X2
SYMBOL cap 496 -1712 R0
WINDOW 39 25 80 Left 0
WINDOW 3 25 56 Left 0
SYMATTR SpiceLine Rser=70m
SYMATTR Value {C}
SYMATTR InstName Co
SYMBOL cap 592 -1536 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C6
SYMATTR Value 10nF
SYMBOL cap 640 -1456 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C7
SYMATTR Value 470pF
SYMBOL voltage 1120 -1872 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 16 16 Left 0
WINDOW 3 16 96 Left 0
SYMATTR InstName Vref
SYMATTR Value {Vo/2}
SYMBOL current 656 -1712 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 0 -64 Bottom 0
WINDOW 0 16 0 Left 0
SYMATTR Value PULSE({I1} {I2} 1m 100u 100u 2m99 6m)
SYMATTR InstName Io
SYMBOL Opamps\\opamp 624 -1408 M0
WINDOW 0 0 40 Bottom 0
WINDOW 3 0 96 Top 0
SYMATTR InstName X4
SYMATTR SpiceLine ""
SYMATTR SpiceLine2 ""
SYMBOL res 752 -1648 R0
SYMATTR InstName R11
SYMATTR Value 10k
SYMBOL res 752 -1504 R0
SYMATTR InstName R12
SYMATTR Value 10k
SYMBOL res 704 -1536 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R13
SYMATTR Value 20k
SYMBOL bi -192 -1744 M90
WINDOW 0 -32 40 VBottom 0
WINDOW 3 48 16 VCenter 0
SYMATTR InstName Bi
SYMATTR Value I=V(d)*I(Vx)
SYMBOL bv -64 -1712 R0
WINDOW 3 -112 56 Center 0
WINDOW 0 16 16 Left 0
SYMATTR Value V=V(d)*V(i)
SYMATTR InstName Bx1
SYMBOL voltage 240 -1744 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 -32 56 VBottom 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vx
SYMATTR Value 0
SYMBOL res -192 -1488 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName Rd
SYMATTR Value 1
SYMBOL bi 80 -1232 M180
WINDOW 0 16 80 Left 0
WINDOW 3 0 -80 Center 0
SYMATTR InstName BrI
SYMATTR Value I=V(i,o)/{2*f*L}
SYMBOL cap 240 -1312 M0
WINDOW 39 24 56 Left 0
WINDOW 3 8 56 Right 0
SYMATTR SpiceLine Rpar=1
SYMATTR Value 1n
SYMATTR InstName Cr
SYMBOL bi -64 -1232 R180
WINDOW 0 -16 80 Right 0
WINDOW 3 0 -48 Center 0
SYMATTR InstName BGe
SYMATTR Value I=limit(0,1,V(di)/V(ramp))
SYMBOL cap -176 -1312 M0
WINDOW 39 24 86 Left 0
WINDOW 3 24 56 Left 0
SYMATTR Value {4/pi/pi/f}
SYMATTR InstName Cd
SYMBOL ind 96 -1728 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
WINDOW 39 -17 56 VBottom 0
SYMATTR InstName Lo
SYMATTR Value {L}
SYMATTR SpiceLine Rser=20m
SYMBOL f 256 -1600 M90
WINDOW 0 -32 40 VBottom 0
WINDOW 3 32 40 VTop 0
SYMATTR InstName Ffb
SYMATTR Value Vx 1
SYMBOL cap 192 -1456 M270
WINDOW 39 56 32 VCenter 0
WINDOW 0 32 48 VRight 0
WINDOW 3 32 16 VLeft 0
SYMATTR SpiceLine Rpar=1
SYMATTR InstName Cdi
SYMATTR Value 1n
SYMBOL ind -176 -1488 M0
WINDOW 0 40 40 Left 0
WINDOW 3 40 64 Left 0
SYMATTR InstName Ld
SYMATTR Value {1/4/f}
SYMBOL bi 336 -1344 M270
WINDOW 0 32 40 VTop 0
WINDOW 3 -34 16 VBottom 0
SYMATTR InstName BrV
SYMATTR Value I=di
SYMBOL bv 96 -1888 R90
WINDOW 0 35 56 VTop 0
WINDOW 3 -35 56 VBottom 0
SYMATTR InstName BzV
SYMATTR Value V=V(Dz)*V(o)
SYMBOL bi 240 -1888 M270
WINDOW 0 -35 40 VBottom 0
WINDOW 3 35 40 VTop 0
SYMATTR InstName BzI
SYMATTR Value I=V(Dz)*I(Vx)
SYMBOL bv -96 -1888 M270
WINDOW 0 -35 56 VBottom 0
WINDOW 3 88 192 VLeft 0
SYMATTR InstName B_Dzero
SYMATTR Value V=if(V(c)<1,limit(0,1,1-V(d)/2*(1+V(i)/V(o))-{f*L}*I(Vx)/V(o)),0)
SYMBOL g2 240 -1472 R270
WINDOW 0 31 30 VLeft 0
WINDOW 3 33 83 VRight 0
SYMATTR InstName Gr
SYMATTR Value 1
SYMBOL bv 608 -1968 R0
WINDOW 0 16 16 Left 0
WINDOW 3 16 96 Left 0
WINDOW 123 24 120 Left 0
SYMATTR InstName Bf
SYMATTR Value V= limit(u(V(Dz)),1,
SYMATTR Value2 (V(i,o)/V(i)+n)*2 )
SYMBOL res2 384 -1760 M90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName R14
SYMATTR Value 20µ
SYMBOL bi 112 -1600 R270
WINDOW 0 32 40 VTop 0
WINDOW 3 -32 26 VBottom 0
SYMATTR InstName Bdelay1
SYMATTR Value I=V(ramp)*f*tx-di/4.44
SYMBOL current 992 432 M180
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value PULSE(0 {n*.998} 30n 4u99 10n 0 5u)
TEXT 1344 944 Left 0 !.tran 6m
TEXT -448 768 Left 0 !.lib opamp.sub
TEXT -448 816 Left 0 !.model PSW SW(Ron=1m Roff=1meg Vt=7.5V Vh=-1V)
TEXT 192 368 Left 0 !.params Trise=10ns\n.params Td=20ns\n.params Ref=7.5\n.params Vhigh=15\n.params Vlow=0\n.params Vh=2\n.params Vt=7.5
TEXT -72 488 Left 0 ;99% duty clamp
TEXT 600 280 Left 0 ;LEB = Leading Edge Blanking
TEXT -448 792 Left 0 !.IC V(out3)=5V V(verr3)=235m V(D)=512m V(o)=5 V(Verr)=235.1m
TEXT -128 -1048 Left 0 ;L=35u Fs=200k Ri=1 Se=100m
TEXT 440 -368 Left 0 ;Ri = (Verr max abs)/(Ic max abs) = Verr/Ic (max)\nVerr = maximum internal amplitude of  ramp refference\nIc max abs = absolute maximum switch curren\nHere Ri = 1 in order to have the real current coefficient = 1\nRi voltage dropp is the equivalent voltage of "c" current (page 154)
TEXT 1176 184 Left 0 !.params I1=0.1A\n.params I2=1;0.05A
TEXT -472 888 Left 0 ;CHRISTOPHE P. BASSO\nSWITCH-MODE POWER SUPPLIES\nSPICE Simulations and Practical Designs
TEXT -472 -144 Left 0 ;FIGURE 2-75
TEXT -344 -1072 Left 0 ;FIGURE 2-74
TEXT -344 -264 Left 0 ;CHRISTOPHE P. BASSO\nSWITCH-MODE POWER SUPPLIES\nSPICE Simulations and Practical Designs
TEXT 1176 80 Left 0 ;Change.params I2=1A\nin order to test CCM
TEXT 984 -1144 Left 0 ;.tran 0 6m {.1/f} {1/f/5} uic
TEXT 856 -1200 Left 0 ;.params I1=0.1 I2=0.05;1
TEXT 856 -1352 Left 0 !.param f=200k L=35u C=100u\n+ tx=70n; logic & drive delay
TEXT 856 -1384 Left 0 ;Buck Stage Parameters
TEXT 856 -1232 Left 0 ;Change I2 to 1A in order to test CCM
TEXT 928 -1624 Left 0 !.subckt opamp 1 2 3\nG1 3 0 1 2 10k\nC1 3 0 10u Rpar=10 \nD1 3 0 lim\n.model lim d Ron=1u\n+ Vfwd=1.5 Vrev=10m\n.ends opamp
TEXT 152 -1672 Center 0 ;(35u)
TEXT -328 -2056 Left 0 ;Current Mode Control (averaged model - analogspiceman 2007)\nwith Discontinuous Conduction Extension (2010)
TEXT 432 -2024 Left 0 ;Discontinuous\nConduction\nAveraged\nModel\nExtension
TEXT 352 -1568 Left 0 ;Feedback\nCurrent
TEXT 352 -1408 Left 0 ;Reference\nCurrent
TEXT 352 -1264 Left 0 ;Compensating\nCurrent Ramp
TEXT 80 -1360 Bottom 0 ;Natural\nRamp
TEXT -64 -1360 Bottom 0 ;Effective\nGain
TEXT -272 -1472 Bottom 0 ;Effective\nSampling\nDelay
TEXT -152 -1920 Bottom 0 ;Zero Duty Cycle
TEXT 352 -1184 Left 0 !.param n=0.25
TEXT 528 -1240 Left 0 ;Slope Compensation Control\n0 is no compensation\n1 is 100% compensation\n (I_ramp = Lo downslope)
TEXT 672 -2024 Left 0 ;Effective Operating\nFrequency Multiplier\n(Freq Reduction Due\nto Subharmonic Osc.\nFor Reference Only)
TEXT 856 -1264 Left 0 !.param Vo=5 di=Vo/(f*L)*n
TEXT 856 -1288 Left 0 ;Slope Compensation
TEXT -352 -2104 Left 0 ;Test Setup for Basso, Cycle by cycle, and ASM by Adrian Nania, 20100128
TEXT -16 -1640 Left 0 ;Effective\nDelay &\nOffset
TEXT 1040 384 Left 0 ;Slope Compensation\n(Artificial Ramp)
LINE Normal -192 -1632 -192 -1536 2
LINE Normal 224 -1344 224 -1472 1
LINE Normal -64 -1344 80 -1344 1
LINE Normal 328 -1728 328 -1616 2
LINE Normal 264 -1728 264 -1616 2
RECTANGLE Normal -480 -160 1440 960
RECTANGLE Normal -352 -1088 1312 -192
RECTANGLE Normal -352 -2080 1312 -1120
RECTANGLE Normal 416 -1808 -304 -2000 1