Version 4 SHEET 1 1700 1188 WIRE 704 496 304 496 WIRE 736 496 704 496 WIRE 896 496 816 496 WIRE 976 496 896 496 WIRE 1136 496 1040 496 WIRE 1200 496 1136 496 WIRE 1296 496 1200 496 WIRE 304 512 304 496 WIRE 1296 512 1296 496 WIRE 1200 528 1200 496 WIRE 704 560 704 496 WIRE 304 608 304 592 WIRE 1200 608 1200 592 WIRE 1296 608 1296 592 WIRE 544 624 512 624 WIRE 896 624 896 496 WIRE 896 624 864 624 WIRE 912 624 896 624 WIRE 1008 624 992 624 WIRE 1088 624 1072 624 WIRE 368 688 320 688 WIRE 544 688 432 688 WIRE 448 752 320 752 WIRE 544 752 528 752 WIRE 944 752 864 752 WIRE 1040 752 1024 752 WIRE 1136 768 1136 496 WIRE 352 816 304 816 WIRE 448 816 432 816 WIRE 544 816 448 816 WIRE 880 816 864 816 WIRE 1040 816 960 816 WIRE 304 832 304 816 WIRE 448 832 448 816 WIRE 544 880 528 880 WIRE 1136 880 1136 848 WIRE 1136 880 864 880 WIRE 1136 896 1136 880 WIRE 304 912 304 896 WIRE 448 912 448 896 WIRE 624 960 624 944 WIRE 784 960 784 944 WIRE 1136 992 1136 976 WIRE 784 1056 784 1040 FLAG 304 496 IN FLAG 1296 496 OUT FLAG 1200 608 0 FLAG 1296 608 0 FLAG 304 608 0 FLAG 784 1056 0 FLAG 624 960 0 FLAG 1136 992 0 FLAG 304 912 0 FLAG 448 912 0 FLAG 320 752 0 FLAG 1088 624 0 FLAG 320 688 0 FLAG 1040 752 0 FLAG 1040 816 0 SYMBOL MISC\\FIXEDIND 768 944 R0 SYMATTR InstName L1 SYMATTR Value 25n SYMATTR SpiceLine Rser=0.02 Rpar=5000 SYMBOL schottky 976 512 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value MBRS340 SYMBOL RES 1120 752 R0 SYMATTR InstName R1 SYMATTR Value 7.5K SYMBOL RES 1120 880 R0 SYMATTR InstName R2 SYMATTR Value 2.49K SYMBOL RES 544 736 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R3 SYMATTR Value 16.9K SYMBOL RES 448 800 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R4 SYMATTR Value 6.8K SYMBOL RES 928 768 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 24K SYMBOL RES 864 832 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 24K SYMBOL CAP 432 672 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 3300p SYMBOL CAP 432 832 R0 SYMATTR InstName C2 SYMATTR Value 220p SYMBOL CAP 288 832 R0 SYMATTR InstName C3 SYMATTR Value .015µ SYMBOL VOLTAGE 304 496 R0 SYMATTR InstName V1 SYMATTR Value 3.3 SYMBOL IND 720 512 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName L2 SYMATTR Value 50µ SYMATTR SpiceLine Rser=0.02 Rpar=5000 SYMBOL polcap 1184 528 R0 SYMATTR InstName C4 SYMATTR Value 200µ SYMATTR SpiceLine Rser=0.05 SYMBOL RES 896 640 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R7 SYMATTR Value 10 SYMBOL cap 1008 640 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C6 SYMATTR Value 1000p SYMBOL PowerProducts\\LT1534-1 704 752 R0 SYMATTR InstName U1 SYMBOL RES 1280 496 R0 SYMATTR InstName Rload SYMATTR Value 50 TEXT 976 1032 Left 2 !.tran 3m startup