Version 4
SHEET 1 1360 680
WIRE 384 -16 -16 -16
WIRE -128 96 -240 96
WIRE -16 96 -16 -16
WIRE -16 96 -48 96
WIRE 144 96 -16 96
WIRE 336 96 304 96
WIRE 384 96 384 -16
WIRE 384 96 336 96
WIRE -16 128 -16 96
WIRE 144 128 -16 128
WIRE 336 128 304 128
WIRE 512 128 336 128
WIRE 672 128 512 128
WIRE 704 128 672 128
WIRE 816 128 784 128
WIRE 880 128 816 128
WIRE 1024 128 880 128
WIRE 1072 128 1024 128
WIRE -240 160 -240 96
WIRE 144 160 -240 160
WIRE 400 160 304 160
WIRE 512 160 512 128
WIRE 400 176 400 160
WIRE 144 192 -32 192
WIRE 352 192 304 192
WIRE -32 256 -32 192
WIRE 160 256 -32 256
WIRE 880 256 880 128
WIRE 880 256 240 256
WIRE 1072 272 1072 128
WIRE -240 288 -240 160
WIRE 672 288 672 128
WIRE 816 288 816 128
WIRE -32 304 -32 256
WIRE 512 304 512 224
WIRE -240 416 -240 368
WIRE -32 416 -32 384
WIRE -32 416 -240 416
WIRE 352 416 352 192
WIRE 352 416 -32 416
WIRE 400 416 400 240
WIRE 400 416 352 416
WIRE 512 416 512 384
WIRE 512 416 400 416
WIRE 672 416 672 352
WIRE 672 416 512 416
WIRE 816 416 816 352
WIRE 816 416 672 416
WIRE 1072 416 1072 352
WIRE 1072 416 816 416
WIRE -240 432 -240 416
FLAG -240 432 0
FLAG 1024 128 Out
FLAG -240 96 In
FLAG 336 96 SWc
FLAG 336 128 SWe
SYMBOL voltage -240 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 132 Left 2
SYMATTR SpiceLine Rser=10m
SYMATTR InstName V1
SYMATTR Value SINE(25 1 50)
SYMBOL ind 688 144 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 330µ
SYMATTR SpiceLine Ipk=0.78 Rser=0.442 Rpar=123320 Cpar=9.69p mfg="Wurth Elektronik" pn="744771233 WE-PD 1260"
SYMBOL cap 384 176 R0
SYMATTR InstName C1
SYMATTR Value 1n
SYMATTR SpiceLine Rser=.1
SYMBOL schottky 688 352 R180
WINDOW 0 24 64 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value 1N5819
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL polcap 832 352 R180
WINDOW 0 24 57 Left 2
WINDOW 3 24 8 Left 2
SYMATTR InstName C2
SYMATTR Value 820µ
SYMATTR SpiceLine V=35 Irms=1.36 Rser=0.046 Lser=0 mfg="Panasonic" pn="ECA1VFQ561S" type="Al electrolytic"
SYMATTR Description Capacitor
SYMATTR Type cap
SYMBOL res -32 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value .5
SYMBOL res -48 288 R0
SYMATTR InstName R2
SYMATTR Value 2k7
SYMBOL res 256 240 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 8k2
SYMBOL current 1072 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 116 Left 2
SYMATTR SpiceLine load
SYMATTR InstName I1
SYMATTR Value 50m
SYMBOL PowerProducts\\mc34063 176 128 R0
SYMATTR InstName U1
SYMBOL res 496 288 R0
SYMATTR InstName R4
SYMATTR Value 1k
SYMBOL cap 496 160 R0
SYMATTR InstName C3
SYMATTR Value 1n
TEXT -104 448 Left 2 !.tran 0 150m 10n uic
TEXT 176 448 Left 2 !.options ptrantau=1e-5
TEXT 872 448 Left 2 !.ic V(Out)=4.9