Version 4
SHEET 1 880 680
WIRE 384 -16 368 -16
WIRE 368 0 368 -16
WIRE -176 32 -192 32
WIRE -192 48 -192 32
WIRE 336 64 320 64
WIRE -288 96 -288 80
WIRE 64 112 48 112
WIRE 320 112 320 64
WIRE 320 112 288 112
WIRE 368 112 368 80
WIRE 368 112 336 112
WIRE 368 144 368 112
WIRE 64 176 16 176
WIRE 336 176 336 112
WIRE 336 176 288 176
WIRE 16 208 16 176
WIRE 336 208 16 208
WIRE -288 240 -288 176
WIRE -224 240 -288 240
WIRE -112 240 -160 240
WIRE -64 240 -112 240
WIRE 64 240 0 240
WIRE 336 240 336 208
WIRE 336 240 288 240
WIRE 368 240 368 224
WIRE 368 240 336 240
WIRE -288 272 -288 240
WIRE -112 272 -112 240
WIRE 368 272 368 240
WIRE 48 288 32 288
WIRE 32 304 32 288
WIRE 64 304 32 304
WIRE -288 352 -288 336
WIRE -112 352 -112 336
WIRE 368 352 368 336
FLAG 320 64 VCC
FLAG 368 -16 VCC
FLAG 368 352 0
FLAG 32 288 VCC
FLAG 48 112 0
FLAG -112 352 0
FLAG -288 352 0
FLAG -288 240 out
FLAG -192 128 0
FLAG -192 32 VCC
FLAG -288 80 0
SYMBOL Misc\\NE555 176 208 R0
SYMATTR InstName U1
SYMBOL res 352 -16 R0
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL res 352 128 R0
SYMATTR InstName R2
SYMATTR Value 75k
SYMBOL cap 352 272 R0
SYMATTR InstName C1
SYMATTR Value 0.01u
SYMBOL polcap 0 224 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 100u
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=2 Irms=2.1 Rser=0.028 Lser=0 mfg="KEMET" pn="A700V107M002ATE028" type="Al electrolytic"
SYMBOL diode -128 272 R0
SYMATTR InstName D1
SYMATTR Value 1N4148
SYMBOL diode -224 256 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL polcap -272 336 R180
WINDOW 0 24 57 Left 0
WINDOW 3 24 8 Left 0
SYMATTR InstName C3
SYMATTR Value 100u
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=2 Irms=2.1 Rser=0.028 Lser=0 mfg="KEMET" pn="A700V107M002ATE028" type="Al electrolytic"
SYMBOL voltage -192 32 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12V
SYMBOL current -288 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value {IL}
TEXT -104 -40 Left 0 !.tran 0 500ms 400ms
TEXT -104 8 Left 0 !.step param IL 0 60mA 5mA
TEXT -104 -16 Left 0 !.meas TRAN ANS  AVG -V(out)
TEXT -104 32 Left 0 !.meas TRAN INP RMS V(VCC)*I(V1)
TEXT -104 56 Left 0 !.meas TRAN OUTP RMS V(out)*I(I1)