Version 4
SHEET 1 1396 1040
WIRE -368 -32 -384 -32
WIRE -368 144 -368 -32
WIRE -368 576 -368 224
WIRE -224 -32 -368 -32
WIRE -224 80 -224 -32
WIRE -224 240 -224 80
WIRE -224 576 -368 576
WIRE -224 576 -224 304
WIRE -192 -32 -224 -32
WIRE -112 576 -224 576
WIRE -112 592 -112 576
WIRE -80 -32 -112 -32
WIRE -80 128 -80 -32
WIRE -80 448 -80 224
WIRE -80 464 -80 448
WIRE -80 576 -112 576
WIRE -80 576 -80 544
WIRE -48 -32 -80 -32
WIRE -48 448 -80 448
WIRE -16 -32 -48 -32
WIRE -16 208 -32 208
WIRE -16 448 -48 448
WIRE 0 208 -16 208
WIRE 48 80 -224 80
WIRE 48 144 48 80
WIRE 128 -32 48 -32
WIRE 128 0 128 -32
WIRE 128 96 128 64
WIRE 128 448 64 448
WIRE 128 448 128 272
WIRE 128 480 128 448
WIRE 128 576 -80 576
WIRE 128 576 128 544
WIRE 208 448 208 336
WIRE 208 480 208 448
WIRE 208 576 128 576
WIRE 208 576 208 544
WIRE 240 208 80 208
WIRE 240 272 128 272
WIRE 240 336 208 336
WIRE 272 144 48 144
WIRE 272 144 272 16
WIRE 272 448 208 448
WIRE 304 208 240 208
WIRE 304 208 304 160
WIRE 304 272 240 272
WIRE 304 288 304 272
WIRE 320 160 304 160
WIRE 320 288 304 288
WIRE 368 336 240 336
WIRE 368 336 368 320
WIRE 480 16 272 16
WIRE 480 64 480 16
WIRE 480 400 480 384
WIRE 640 320 368 320
WIRE 656 192 640 192
WIRE 656 208 656 192
WIRE 656 256 640 256
WIRE 656 336 656 256
WIRE 672 128 640 128
WIRE 672 272 672 128
WIRE 688 400 480 400
WIRE 688 400 688 144
WIRE 720 208 656 208
WIRE 720 272 672 272
WIRE 720 336 656 336
WIRE 736 144 688 144
WIRE 752 336 720 336
WIRE 752 448 352 448
WIRE 752 448 752 336
WIRE 752 480 752 448
WIRE 752 576 208 576
WIRE 752 576 752 544
WIRE 816 208 720 208
WIRE 816 208 816 144
WIRE 832 144 816 144
WIRE 896 208 816 208
WIRE 928 144 912 144
WIRE 944 144 928 144
WIRE 1024 -32 128 -32
WIRE 1024 16 1024 -32
WIRE 1024 144 1008 144
WIRE 1024 144 1024 96
WIRE 1024 208 960 208
WIRE 1024 208 1024 144
WIRE 1024 272 720 272
WIRE 1024 272 1024 208
WIRE 1024 320 1024 272
WIRE 1024 576 752 576
WIRE 1024 576 1024 400
WIRE 1168 -32 1024 -32
WIRE 1168 224 1168 -32
WIRE 1168 576 1024 576
WIRE 1168 576 1168 304
WIRE 1184 -32 1168 -32
FLAG -112 592 0
FLAG 1184 -32 Vout
IOPIN 1184 -32 Out
FLAG -384 -32 Vin
IOPIN -384 -32 In
FLAG 736 144 0
FLAG 128 96 0
FLAG -48 -32 D
FLAG -48 448 S
FLAG -16 208 G
FLAG 240 272 Ifb
FLAG 240 336 osc
FLAG 720 272 Vfb
FLAG 720 336 ref
FLAG 720 208 err
FLAG 928 144 x
FLAG 240 208 out
SYMBOL voltage -368 128 R0
WINDOW 123 32 56 VTop 0
WINDOW 39 16 96 Left 0
WINDOW 3 48 64 Left 0
WINDOW 0 48 32 Left 0
SYMATTR SpiceLine Rser=10m
SYMATTR Value 15
SYMATTR InstName V1
SYMBOL res 368 432 R90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R1
SYMATTR Value 4k
SYMBOL cap 192 480 R0
SYMATTR InstName C1
SYMATTR Value 2n2
SYMBOL cap 736 480 R0
SYMATTR InstName C2
SYMATTR Value .1µ
SYMBOL res -16 224 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL res -96 448 R0
SYMATTR InstName R3
SYMATTR Value .25
SYMBOL res -32 464 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL cap 144 480 M0
SYMATTR InstName C3
SYMATTR Value 220p
SYMBOL diode -16 -16 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value 1N5819
SYMBOL res 1008 0 R0
SYMATTR InstName R7
SYMATTR Value 20k
SYMBOL res 1008 304 R0
SYMATTR InstName R8
SYMATTR Value 2k49
SYMBOL cap 112 0 R0
SYMATTR InstName C5
SYMATTR Value 560µ
SYMATTR SpiceLine V=35 Irms=1.4 Rser=0.042 MTBF=2000 Lser=0 mfg="Panasonic" pn="ECA1VFQ561" type="Al electrolytic" ppPkg=1
SYMBOL res 816 160 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R10
SYMATTR Value 150k
SYMBOL cap 944 128 M90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL cap 896 192 M90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL nmos -32 128 M0
SYMATTR InstName M1
SYMATTR Value FDS6680A
SYMBOL ind -208 -16 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 50µ
SYMATTR SpiceLine Ipk=7 Rser=0.02 Rpar=38000 Cpar=5.86p mfg="Gowanda" pn="894AT5002V"
SYMBOL res 1152 208 R0
SYMATTR InstName R5
SYMATTR Value 15
SYMBOL polcap -240 240 R0
WINDOW 3 24 64 Left 0
SYMATTR Value 220µ
SYMATTR InstName C7
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=25 Irms=575m Rser=0.12 MTBF=1000 Lser=0 mfg="Panasonic" pn="ECA1EFQ221L" type="Al electrolytic" ppPkg=1
SYMBOL EXTRA\\UC\\UC384xA\\UC3845A1 480 224 M0
SYMATTR InstName U1
TEXT -368 -96 Left 0 !.tran 0 4m 10n 1u uic
TEXT -368 -128 Left 0 !.options Trtol=9 Method=trapmod
TEXT 80 -128 Left 0 !.save V(Vout) V(err) I(L1)
RECTANGLE Normal 1296 640 -480 -160