Version 4
SHEET 1 1268 680
WIRE 656 -240 176 -240
WIRE 880 -240 720 -240
WIRE 48 -176 -48 -176
WIRE 176 -176 176 -240
WIRE 176 -176 48 -176
WIRE 240 -176 176 -176
WIRE 368 -176 320 -176
WIRE 464 -176 368 -176
WIRE 496 -176 464 -176
WIRE 608 -176 560 -176
WIRE 688 -176 608 -176
WIRE 784 -176 688 -176
WIRE 912 -176 784 -176
WIRE 1072 -176 1008 -176
WIRE 1168 -176 1072 -176
WIRE -48 -160 -48 -176
WIRE 608 -160 608 -176
WIRE 688 -160 688 -176
WIRE 784 -160 784 -176
WIRE 1072 -160 1072 -176
WIRE 1168 -160 1168 -176
WIRE 368 -112 368 -176
WIRE 464 -112 464 -176
WIRE 608 -80 608 -96
WIRE -48 -64 -48 -80
WIRE 1072 -64 1072 -96
WIRE 1168 -64 1168 -80
WIRE 48 -48 48 -176
WIRE 176 -48 176 -176
WIRE 272 -48 176 -48
WIRE 688 -48 688 -80
WIRE 688 -48 560 -48
WIRE 784 -32 784 -80
WIRE 880 -32 880 -240
WIRE 880 -32 784 -32
WIRE 48 48 48 32
WIRE 272 48 48 48
WIRE 880 48 880 -32
WIRE 880 48 560 48
WIRE 928 48 928 -128
WIRE 928 48 880 48
WIRE 48 64 48 48
WIRE 176 64 176 -48
WIRE 272 144 176 144
WIRE 656 144 560 144
WIRE 752 144 720 144
WIRE 48 160 48 144
WIRE 272 240 176 240
WIRE 608 240 560 240
WIRE 176 256 176 240
WIRE 608 256 608 240
WIRE 416 320 416 304
WIRE 176 352 176 336
WIRE 608 352 608 320
FLAG 608 -80 0
FLAG -48 -64 0
FLAG -48 -176 IN
FLAG 416 320 0
FLAG 176 352 0
FLAG 608 352 0
FLAG 48 160 0
FLAG 752 144 0
FLAG 1072 -64 0
FLAG 1168 -64 0
FLAG 1168 -176 OUT
SYMBOL voltage -48 -176 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL ind 224 -160 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 2.2µ
SYMATTR SpiceLine Rser=1.5m
SYMBOL schottky 496 -160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 592 -160 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=5m
SYMBOL res 672 -176 R0
SYMATTR InstName R1
SYMATTR Value 130K
SYMBOL res 768 -176 R0
SYMATTR Value 6.3K
SYMATTR InstName R2
SYMBOL pmos 1008 -128 M270
WINDOW 0 53 39 VTop 2
WINDOW 3 -14 71 VLeft 2
SYMATTR InstName Q1
SYMATTR Value Si4427DY
SYMBOL res 160 240 R0
SYMATTR InstName R3
SYMATTR Value 86.6K
SYMBOL cap 592 256 R0
SYMATTR InstName C2
SYMATTR Value .02µ
SYMBOL res 160 48 R0
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL res 32 48 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res 32 -64 R0
SYMATTR InstName R6
SYMATTR Value 18.7K
SYMBOL cap 656 160 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
WINDOW 39 -21 32 VBottom 2
SYMATTR InstName C3
SYMATTR Value 2200p
SYMATTR SpiceLine Rser=8K Cpar=47p
SYMBOL cap 1056 -160 R0
SYMATTR InstName C4
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=5m
SYMBOL schottky 656 -224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL PowerProducts\\LT3579 416 96 R0
SYMATTR InstName U1
SYMBOL res 1152 -176 R0
SYMATTR InstName Rload
SYMATTR Value 7
TEXT 992 32 Left 2 !.tran 2m startup