Version 4
SHEET 1 2400 1188
WIRE 1584 560 1024 560
WIRE 1328 592 1072 592
WIRE 1648 592 1328 592
WIRE 1808 592 1648 592
WIRE 1920 592 1808 592
WIRE 1648 608 1648 592
WIRE 1072 624 1072 592
WIRE 1808 624 1808 592
WIRE 1920 624 1920 592
WIRE 1328 656 1328 592
WIRE 1584 704 1584 560
WIRE 1648 704 1648 688
WIRE 1648 704 1584 704
WIRE 1024 720 1024 560
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 1808 736 1808 688
WIRE 1920 736 1920 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 1824 880 1776 880
WIRE 1936 880 1824 880
WIRE 2048 880 1936 880
WIRE 1936 896 1936 880
WIRE 2048 896 2048 880
WIRE 1648 912 1648 880
WIRE 1824 912 1824 880
WIRE 1328 960 1328 944
WIRE 1648 992 1648 976
WIRE 1936 992 1936 960
WIRE 2048 992 2048 976
WIRE 1136 1024 1136 880
WIRE 1824 1024 1824 992
WIRE 1824 1024 1136 1024
WIRE 1824 1040 1824 1024
WIRE 1824 1136 1824 1120
FLAG 2048 880 OUT
FLAG 1808 736 0
FLAG 1920 736 0
FLAG 1936 992 0
FLAG 2048 992 0
FLAG 1824 1136 0
FLAG 976 800 0
FLAG 1648 992 0
FLAG 1328 960 0
SYMBOL ind 1680 896 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 5 56 VBottom 0
SYMATTR InstName L1
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=0.002
SYMBOL NMOS 1600 720 R0
SYMATTR InstName Q1
SYMATTR Value Si4412DY
SYMBOL VOLTAGE 1920 608 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMATTR SpiceLine Rser=.0001
SYMBOL polcap 1920 896 R0
SYMATTR InstName C1
SYMATTR Value 250µ
SYMATTR SpiceLine Rser=0.025
SYMBOL cap 1088 784 M90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C3
SYMATTR Value 470p
SYMBOL RES 1808 1024 R0
SYMATTR InstName R1
SYMATTR Value 20K
SYMBOL res 1808 896 R0
SYMATTR InstName R2
SYMATTR Value 35.7K
SYMBOL res 976 784 M90
WINDOW 0 0 56 VBottom 0
WINDOW 3 32 56 VTop 0
SYMATTR InstName R3
SYMATTR Value 6.8K
SYMBOL schottky 1632 976 M180
WINDOW 0 24 72 Left 0
WINDOW 3 24 0 Left 0
SYMATTR InstName D1
SYMATTR Value MBRS340
SYMBOL cap 1504 720 R0
WINDOW 3 24 57 Left 0
SYMATTR Value .1µ
SYMATTR InstName C4
SYMBOL cap 1056 624 R0
SYMATTR InstName C5
SYMATTR Value 1000p
SYMBOL polcap 1792 624 R0
SYMATTR InstName C6
SYMATTR Value 22µ
SYMATTR SpiceLine Rser=0.01
SYMBOL POWERPRODUCTS\\LTC1624 1328 800 R0
SYMATTR InstName U1
SYMBOL res 1632 592 R0
SYMATTR InstName R4
SYMATTR Value .05
SYMBOL res 2032 880 R0
SYMATTR InstName R5
SYMATTR Value 3
TEXT 1392 1064 Left 0 !.tran 600u startup