Version 4
SHEET 1 1752 680
WIRE 176 -192 144 -192
WIRE 608 -144 608 -160
WIRE 64 -128 64 -192
WIRE 80 -128 64 -128
WIRE 176 -128 176 -192
WIRE 176 -128 128 -128
WIRE 176 -112 176 -128
WIRE 64 -80 0 -80
WIRE 336 -80 144 -80
WIRE 400 -80 336 -80
WIRE 528 -80 464 -80
WIRE 672 -80 528 -80
WIRE 336 32 336 -80
WIRE 672 32 672 -80
WIRE 528 48 528 -80
WIRE 0 144 0 -80
WIRE 0 256 0 224
WIRE 112 256 0 256
WIRE 336 256 336 112
WIRE 336 256 112 256
WIRE 528 256 528 112
WIRE 528 256 336 256
WIRE 672 256 672 112
WIRE 672 256 528 256
WIRE 112 272 112 256
FLAG 112 272 0
FLAG 176 -112 0
FLAG 608 -144 0
SYMBOL Misc\\battery 0 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL sw 160 -80 R90
SYMATTR InstName S1
SYMATTR SpiceModel relaysw
SYMATTR Value ""
SYMBOL Misc\\signal 48 -192 R270
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 3 130 -68 VRight 0
SYMATTR Value PULSE(0 25 1m 100n 100n 52u 110u)
SYMATTR InstName V2
SYMBOL ind 320 16 R0
SYMATTR InstName L1
SYMATTR Value 1.2m
SYMATTR SpiceLine Rser=0.04
SYMBOL cap 512 48 R0
SYMATTR InstName C1
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=0.05
SYMBOL res 656 16 R0
SYMATTR InstName RLOAD
SYMATTR Value 60
SYMBOL diode 464 -96 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName D1
SYMBOL powcalc 608 -288 R0
SYMATTR InstName U1
TEXT 24 336 Left 0 !.tran 0 20m 1u 100n steady startup
TEXT -24 -280 Left 0 !.model RELAYSW SW(Ron=5 Roff=1G Vt=22 Vh=.4)