Version 4
SHEET 1 4692 2996
WIRE 1312 1648 608 1648
WIRE 1680 1648 1312 1648
WIRE 2496 1648 1680 1648
WIRE 1312 1680 1312 1648
WIRE 1680 1712 1680 1648
WIRE 1312 1776 1312 1760
WIRE 1312 1776 1200 1776
WIRE 1424 1776 1312 1776
WIRE 1312 1808 1312 1776
WIRE 2736 1856 1968 1856
WIRE 608 1936 608 1648
WIRE 1312 1936 1312 1888
WIRE 1424 1936 1312 1936
WIRE 1904 2048 1904 2016
WIRE 1968 2048 1904 2048
WIRE 1616 2112 1616 2016
WIRE 1648 2112 1616 2112
WIRE 1760 2112 1760 2016
WIRE 1760 2112 1712 2112
WIRE 1792 2112 1760 2112
WIRE 1888 2112 1872 2112
WIRE 1968 2112 1968 2048
WIRE 1968 2112 1952 2112
WIRE 2496 2112 2496 1648
WIRE 2496 2112 2304 2112
WIRE 2592 2112 2496 2112
WIRE 2688 2112 2592 2112
WIRE 1200 2128 1200 1776
WIRE 1312 2128 1312 1936
WIRE 2688 2144 2688 2112
WIRE 1760 2160 1760 2112
WIRE 2304 2160 2304 2112
WIRE 2496 2160 2496 2112
WIRE 2736 2160 2736 1856
WIRE 2256 2176 2048 2176
WIRE 2048 2224 2048 2176
WIRE 2256 2272 2256 2224
WIRE 2304 2272 2304 2240
WIRE 2304 2272 2256 2272
WIRE 2496 2272 2496 2224
WIRE 2496 2272 2304 2272
WIRE 2592 2272 2496 2272
WIRE 2688 2272 2688 2224
WIRE 2688 2272 2592 2272
WIRE 2736 2272 2736 2208
WIRE 2736 2272 2688 2272
WIRE 1760 2288 1760 2240
WIRE 608 2336 608 2016
WIRE 1200 2336 1200 2192
WIRE 1200 2336 608 2336
WIRE 1312 2336 1312 2208
WIRE 1312 2336 1200 2336
WIRE 1472 2336 1472 2016
WIRE 1472 2336 1312 2336
WIRE 1520 2336 1472 2336
WIRE 1616 2336 1616 2112
WIRE 1616 2336 1600 2336
WIRE 1744 2336 1616 2336
WIRE 1968 2336 1968 2112
WIRE 1968 2336 1840 2336
WIRE 2048 2336 2048 2304
WIRE 2048 2336 1968 2336
WIRE 2496 2336 2496 2272
WIRE 2496 2336 2048 2336
WIRE 1472 2368 1472 2336
FLAG 1472 2368 0
FLAG 608 1648 IN
FLAG 2592 2112 OUT+
FLAG 2592 2272 OUT-
SYMBOL res 1888 2096 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap 1952 2096 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C4
SYMATTR Value 15n
SYMBOL res 1744 2144 R0
SYMATTR InstName R5
SYMATTR Value 10
SYMBOL cap 1712 2096 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C2
SYMATTR Value 470n
SYMBOL nmos 1840 2288 R90
WINDOW 0 -13 62 VLeft 2
WINDOW 3 58 45 VTop 2
SYMATTR InstName M1
SYMATTR Value IRF530
SYMBOL res 1616 2320 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R6
SYMATTR Value 20m
SYMBOL res 1296 1792 R0
SYMATTR InstName R3
SYMATTR Value 6.49K
SYMBOL res 1296 1664 R0
SYMATTR InstName R4
SYMATTR Value 549K
SYMBOL cap 1184 2128 R0
SYMATTR InstName C1
SYMATTR Value 0.1µ
SYMBOL res 1296 2112 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL cap 2480 2160 R0
SYMATTR InstName C3
SYMATTR Value 100µ
SYMATTR SpiceLine Rser=25m
SYMBOL voltage 2048 2208 R0
SYMATTR InstName V3
SYMATTR Value PWL(0 0 360m 0 360.001m 1)
SYMBOL sw 2304 2256 M180
WINDOW 0 24 101 Left 2
WINDOW 3 18 17 Left 2
SYMATTR InstName S2
SYMATTR Value SoftShort
SYMBOL LT4250H 1680 1856 R0
SYMATTR InstName U1
SYMBOL sw 2688 2240 R180
WINDOW 0 24 101 Left 2
WINDOW 3 18 17 Left 2
SYMATTR InstName Sload
SYMATTR Value Load
SYMBOL voltage 608 2032 M180
WINDOW 3 24 16 Left 2
WINDOW 0 24 96 Left 2
SYMATTR Value PWL(0 0 10m -48 220m -48 220.1m -70)
SYMATTR InstName V1
TEXT 2536 2312 Left 2 !.tran 400m startup
TEXT 1944 2360 Left 2 !.model SoftShort SW(Ron=3 Roff=10G Vt=0.5 Vh=-0.1)
TEXT 1944 2392 Left 2 !.model Load SW(Ron=40 Roff=10G Vt=0.5 Vh=-0.1)