Version 4
SHEET 1 1220 1876
WIRE -352 48 -384 48
WIRE -80 48 -352 48
WIRE 176 48 144 48
WIRE 288 48 256 48
WIRE 400 48 288 48
WIRE 448 48 400 48
WIRE -352 64 -352 48
WIRE 288 96 288 48
WIRE -80 144 -224 144
WIRE 400 144 400 48
WIRE -224 192 -224 144
WIRE 288 208 288 160
WIRE -352 288 -352 144
WIRE -224 288 -224 272
WIRE -224 288 -352 288
WIRE 96 288 96 176
WIRE 96 288 -224 288
WIRE 288 288 288 272
WIRE 288 288 96 288
WIRE 400 288 400 208
WIRE 400 288 288 288
WIRE -352 320 -352 288
FLAG -352 320 0
FLAG 448 48 OUT
IOPIN 448 48 Out
FLAG -384 48 IN
IOPIN -384 48 In
SYMBOL voltage -352 48 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 39 43 Left 0
WINDOW 3 38 73 Left 0
SYMATTR InstName Vin
SYMATTR Value PULSE(0 10V 10n 2m)
SYMBOL ind2 160 64 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 4 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 75µH
SYMBOL res2 272 96 R0
SYMATTR InstName Resr
SYMATTR Value 70m
SYMBOL cap 272 208 R0
SYMATTR InstName Cout
SYMATTR Value 220µF
SYMBOL res2 384 144 R0
SYMATTR InstName Rload
SYMATTR Value 20
SYMBOL voltage -224 176 R0
WINDOW 123 41 87 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 41 24 Left 0
WINDOW 3 41 56 Left 0
SYMATTR Value2 AC 1
SYMATTR InstName Vbias
SYMATTR Value 503m
SYMBOL BUCK-CCM-DCM-VM 64 96 R0
WINDOW 39 -143 -124 Left 0
SYMATTR SpiceLine L=75u Fsw=100k
SYMATTR InstName X1
TEXT -448 544 Left 0 !.tran 20m
TEXT -448 512 Left 0 !.IC I(L1)=0
RECTANGLE Normal 560 576 -480 -128