Version 4 SHEET 1 1420 984 WIRE 288 448 144 448 WIRE 400 448 288 448 WIRE 512 448 400 448 WIRE 560 448 512 448 WIRE 672 448 640 448 WIRE 720 448 672 448 WIRE 832 448 784 448 WIRE 912 448 832 448 WIRE 1040 448 976 448 WIRE 1152 448 1040 448 WIRE 1296 448 1152 448 WIRE 1152 464 1152 448 WIRE 1296 464 1296 448 WIRE 144 480 144 448 WIRE 288 496 288 448 WIRE 832 496 832 448 WIRE 1040 528 1040 448 WIRE 512 560 512 448 WIRE 672 560 672 448 WIRE 1152 560 1152 528 WIRE 1296 560 1296 544 WIRE 144 592 144 560 WIRE 288 592 288 560 WIRE 832 624 832 576 WIRE 400 656 400 448 WIRE 432 656 400 656 WIRE 1040 656 1040 608 WIRE 1040 656 752 656 WIRE 1040 672 1040 656 WIRE 592 768 592 752 WIRE 1040 768 1040 752 FLAG 1296 448 OUT FLAG 1040 768 0 FLAG 1152 560 0 FLAG 1296 560 0 FLAG 592 768 0 FLAG 144 592 0 FLAG 288 592 0 FLAG 144 448 IN FLAG 832 624 0 SYMBOL VOLTAGE 144 464 R0 WINDOW 0 11 10 Left 2 WINDOW 3 11 105 Left 2 WINDOW 123 0 0 Left 2 WINDOW 39 11 133 Left 2 SYMATTR InstName V1 SYMATTR Value 5 SYMATTR SpiceLine Rser=.5 SYMBOL RES 1024 512 R0 SYMATTR InstName R1 SYMATTR Value 30k SYMBOL RES 1024 656 R0 SYMATTR InstName R2 SYMATTR Value 10K SYMBOL IND 544 464 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 5 56 VBottom 2 WINDOW 39 -23 56 VBottom 2 SYMATTR InstName L1 SYMATTR Value 4.2µ SYMATTR SpiceLine Rser=0.182 SYMBOL SCHOTTKY 912 464 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName D1 SYMATTR Value 1N5817 SYMBOL POLCAP 1136 464 R0 WINDOW 39 24 85 Left 2 SYMATTR SpiceLine Rser=.1 SYMATTR InstName C1 SYMATTR Value 20µ SYMBOL POLCAP 272 496 R0 WINDOW 39 24 85 Left 2 SYMATTR SpiceLine Rser=.1 SYMATTR InstName C2 SYMATTR Value 20µ SYMBOL PowerProducts\\LT1935 592 656 R0 SYMATTR InstName U1 SYMBOL res 1280 448 R0 SYMATTR InstName Rload SYMATTR Value 10 SYMBOL IND 848 480 M0 WINDOW 0 -25 46 Bottom 2 WINDOW 3 -32 50 Top 2 WINDOW 39 -67 80 Top 2 SYMATTR InstName L3 SYMATTR Value 4.2µ SYMATTR SpiceLine Rser=0.182 SYMBOL cap 720 464 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C3 SYMATTR Value 2.2µ TEXT 136 680 Left 2 !.tran 0 1m .2m steady