Version 4
SHEET 1 2216 1092
WIRE 1312 448 1056 448
WIRE 1552 448 1312 448
WIRE 1056 464 1056 448
WIRE 1552 464 1552 448
WIRE 1056 560 1056 544
WIRE 1552 560 1552 544
WIRE 1552 560 1488 560
WIRE 1552 576 1552 560
WIRE 1312 592 1312 448
WIRE 992 672 976 672
WIRE 1088 672 1072 672
WIRE 1168 672 1152 672
WIRE 1488 672 1488 560
WIRE 1488 672 1456 672
WIRE 1552 672 1552 656
WIRE 1632 672 1552 672
WIRE 1760 672 1696 672
WIRE 1872 672 1760 672
WIRE 1968 672 1872 672
WIRE 1552 688 1552 672
WIRE 1872 688 1872 672
WIRE 1968 688 1968 672
WIRE 1760 704 1760 672
WIRE 1168 768 1136 768
WIRE 1504 768 1456 768
WIRE 1872 784 1872 752
WIRE 1968 784 1968 768
WIRE 1552 800 1552 784
WIRE 1760 800 1760 784
WIRE 1760 800 1664 800
WIRE 1760 816 1760 800
WIRE 1312 864 1312 848
WIRE 1136 896 1136 768
WIRE 1664 896 1664 800
WIRE 1664 896 1136 896
WIRE 1760 912 1760 896
FLAG 1968 672 OUT
FLAG 1056 560 0
FLAG 1872 784 0
FLAG 1968 784 0
FLAG 1760 912 0
FLAG 976 672 0
FLAG 1552 800 0
FLAG 1312 864 0
FLAG 1056 448 IN
SYMBOL ind 1536 560 R0
SYMATTR InstName L1
SYMATTR Value 4.7µ
SYMATTR SpiceLine Rser=0.02 Rpar=5000
SYMBOL VOLTAGE 1056 448 R0
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL polcap 1856 688 R0
SYMATTR SpiceLine Rser=.1
SYMATTR InstName C1
SYMATTR Value 44µ
SYMBOL cap 1152 656 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName C3
SYMATTR Value 220p
SYMBOL RES 1536 448 R0
SYMATTR InstName R1
SYMATTR Value .03
SYMBOL res 1744 800 R0
SYMATTR InstName R2
SYMATTR Value 80.5K
SYMBOL res 1744 688 R0
SYMATTR InstName R3
SYMATTR Value 442K
SYMBOL res 1088 656 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL schottky 1632 688 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value MBRS340
SYMBOL res 1952 672 R0
SYMATTR InstName Rload
SYMATTR Value 5
SYMBOL POWERPRODUCTS\\LTC1872 1312 720 R0
WINDOW 3 -45 62 Left 2
SYMATTR InstName U1
SYMBOL NMOS 1504 688 R0
SYMATTR InstName Q1
SYMATTR Value FDS6680A
TEXT 1864 840 Left 2 !.tran 500u startup