Version 4
SHEET 1 2400 1188
WIRE 1600 576 1024 576
WIRE 1328 592 1072 592
WIRE 1648 592 1328 592
WIRE 1760 592 1648 592
WIRE 1648 608 1648 592
WIRE 1760 608 1760 592
WIRE 1072 624 1072 592
WIRE 1328 656 1328 592
WIRE 1600 704 1600 576
WIRE 1648 704 1648 688
WIRE 1648 704 1600 704
WIRE 1760 704 1760 688
WIRE 1024 720 1024 576
WIRE 1072 720 1072 688
WIRE 1072 720 1024 720
WIRE 1168 720 1072 720
WIRE 1520 720 1488 720
WIRE 1648 720 1648 704
WIRE 992 800 976 800
WIRE 1088 800 1072 800
WIRE 1168 800 1152 800
WIRE 1600 800 1488 800
WIRE 1168 880 1136 880
WIRE 1520 880 1520 784
WIRE 1520 880 1488 880
WIRE 1648 880 1648 816
WIRE 1648 880 1520 880
WIRE 1696 880 1648 880
WIRE 1808 880 1776 880
WIRE 1920 880 1808 880
WIRE 2016 880 1920 880
WIRE 1920 896 1920 880
WIRE 2016 896 2016 880
WIRE 1648 912 1648 880
WIRE 1808 912 1808 880
WIRE 1328 976 1328 944
WIRE 1648 992 1648 976
WIRE 1920 992 1920 960
WIRE 2016 992 2016 976
WIRE 1136 1024 1136 880
WIRE 1808 1024 1808 992
WIRE 1808 1024 1136 1024
WIRE 1808 1040 1808 1024
WIRE 1808 1136 1808 1120
FLAG 2016 880 OUT
FLAG 1760 704 0
FLAG 1920 992 0
FLAG 2016 992 0
FLAG 1808 1136 0
FLAG 976 800 0
FLAG 1648 992 0
FLAG 1328 976 0
FLAG 1760 592 IN
SYMBOL ind 1680 896 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=0.002
SYMBOL NMOS 1600 720 R0
SYMATTR InstName Q1
SYMATTR Value Si4412DY
SYMBOL VOLTAGE 1760 592 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL polcap 1904 896 R0
SYMATTR InstName C1
SYMATTR Value 500µ
SYMATTR SpiceLine Rser=0.1
SYMBOL cap 1088 784 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 470p
SYMBOL RES 1792 1024 R0
SYMATTR InstName R1
SYMATTR Value 20K
SYMBOL res 1792 896 R0
SYMATTR InstName R2
SYMATTR Value 35.7K
SYMBOL res 976 784 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 6.8K
SYMBOL schottky 1632 976 M180
WINDOW 0 24 72 Left 2
WINDOW 3 24 0 Left 2
SYMATTR InstName D1
SYMATTR Value MBRS340
SYMBOL cap 1504 720 R0
WINDOW 3 24 57 Left 2
SYMATTR Value .1µ
SYMATTR InstName C4
SYMBOL cap 1056 624 R0
SYMATTR InstName C5
SYMATTR Value 1000p
SYMBOL POWERPRODUCTS\\LTC1624 1328 800 R0
SYMATTR InstName U1
SYMBOL res 1632 592 R0
SYMATTR InstName R4
SYMATTR Value .05
SYMBOL res 2000 880 R0
SYMATTR InstName Rload
SYMATTR Value 3
TEXT 1456 1064 Left 2 !.tran 2m startup