Version 4
SHEET 1 1620 996
WIRE -16 112 -176 112
WIRE 48 112 -16 112
WIRE 288 112 128 112
WIRE 368 112 288 112
WIRE 512 112 432 112
WIRE 608 112 512 112
WIRE 656 112 608 112
WIRE 816 112 656 112
WIRE -176 208 -176 112
WIRE 288 208 288 112
WIRE -16 224 -16 112
WIRE 512 224 512 112
WIRE 656 224 656 112
WIRE 176 288 112 288
WIRE 240 288 176 288
WIRE -176 384 -176 288
WIRE -16 384 -16 288
WIRE -16 384 -176 384
WIRE 288 384 288 304
WIRE 288 384 -16 384
WIRE 512 384 512 288
WIRE 512 384 288 384
WIRE 656 384 656 304
WIRE 656 384 512 384
WIRE -176 464 -176 384
WIRE 464 480 352 480
WIRE 672 480 528 480
WIRE 816 528 816 112
WIRE 928 528 816 528
WIRE 352 592 352 480
WIRE 416 592 352 592
WIRE 544 592 496 592
WIRE 672 592 672 480
WIRE 672 592 608 592
WIRE 816 592 816 528
WIRE 928 592 928 528
WIRE -368 656 -432 656
WIRE -320 656 -368 656
WIRE 480 672 464 672
WIRE 576 672 480 672
WIRE 32 688 16 688
WIRE 128 688 32 688
WIRE 816 704 816 672
WIRE 928 704 928 656
WIRE 928 704 816 704
WIRE -320 720 -320 656
WIRE -240 736 -272 736
WIRE -176 736 -240 736
WIRE -32 736 -80 736
WIRE 0 736 -32 736
WIRE 576 736 576 672
WIRE 128 752 128 688
WIRE 672 752 672 592
WIRE 672 752 608 752
WIRE 736 752 672 752
WIRE 816 752 816 704
WIRE 816 752 736 752
WIRE 352 768 352 592
WIRE 352 768 160 768
WIRE 416 768 352 768
WIRE 544 768 416 768
WIRE 0 784 -80 784
WIRE 96 784 0 784
WIRE 656 784 608 784
WIRE 672 784 656 784
WIRE 224 800 160 800
WIRE 256 800 224 800
WIRE 816 800 816 752
WIRE 256 832 256 800
WIRE 672 832 672 784
WIRE 928 848 928 784
WIRE 928 896 928 848
WIRE 256 976 256 912
WIRE 672 976 672 912
WIRE 816 976 816 880
FLAG -176 464 0
FLAG 608 112 Vout
FLAG 816 976 0
FLAG 672 976 0
FLAG 576 800 0
FLAG 928 976 0
FLAG 928 848 VCC
FLAG 480 672 VCC
FLAG 128 816 0
FLAG 32 688 VCC
FLAG 256 976 0
FLAG 736 752 FB
FLAG 416 768 COMP
FLAG 224 800 SLOPE
FLAG -240 736 PWM
FLAG 656 784 Vref
FLAG -80 816 0
FLAG -32 736 VCC
FLAG -272 784 0
FLAG -320 800 0
FLAG 0 784 RESET
FLAG -368 656 GATE
FLAG 176 288 GATE
SYMBOL ind 32 128 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value {L}
SYMATTR SpiceLine Rser=0.03
SYMBOL voltage -176 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value {Vin}
SYMBOL cap -32 224 R0
SYMATTR InstName C1
SYMATTR Value 10u
SYMBOL nmos 240 208 R0
SYMATTR InstName M1
SYMATTR Value Si7336ADP
SYMBOL diode 368 128 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMBOL cap 496 224 R0
SYMATTR InstName C2
SYMATTR Value {Cout}
SYMATTR SpiceLine Rser=0.01
SYMBOL res 640 208 R0
SYMATTR InstName R1
SYMATTR Value {Rout}
SYMBOL res 800 576 R0
SYMATTR InstName R2
SYMATTR Value 67.5k
SYMBOL res 800 784 R0
SYMATTR InstName R3
SYMATTR Value 5k
SYMBOL cap 912 592 R0
SYMATTR InstName C3
SYMATTR Value 1.6n
SYMBOL voltage 672 816 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 1
SYMBOL voltage 928 880 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V4
SYMATTR Value 5
SYMBOL res 400 576 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 18k
SYMBOL cap 608 576 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 5.9n
SYMBOL OpAmps\\UniversalOpamp2 576 768 M0
SYMATTR InstName U2
SYMATTR Value2 Avol=1Meg GBW=100Meg Slew=100Meg
SYMBOL OpAmps\\UniversalOpamp2 128 784 M0
SYMATTR InstName U1
SYMATTR Value2 Avol=1Meg GBW=100Meg Slew=100Meg
SYMBOL voltage 256 816 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V5
SYMATTR Value PULSE(0 8 100u 3.31u 0.01u 0.01u 3.33u)
SYMBOL Digital\\srflop -128 688 M0
SYMATTR InstName A1
SYMBOL e -320 704 M0
SYMATTR InstName E1
SYMATTR Value 10
SYMBOL cap 528 464 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C5
SYMATTR Value 5n
TEXT -16 16 Left 2 !.param L=10u Cout=440u Vout=14.5 Iout=5 Rout=Vout/Iout Vin=8
TEXT -210 520 Left 2 !.tran 20m