Version 4
SHEET 1 1360 984
WIRE 288 448 64 448
WIRE 400 448 288 448
WIRE 512 448 400 448
WIRE 560 448 512 448
WIRE 672 448 640 448
WIRE 736 448 672 448
WIRE 864 448 800 448
WIRE 976 448 864 448
WIRE 1120 448 976 448
WIRE 976 464 976 448
WIRE 1120 464 1120 448
WIRE 64 480 64 448
WIRE 288 496 288 448
WIRE 864 528 864 448
WIRE 512 560 512 448
WIRE 672 560 672 448
WIRE 976 560 976 528
WIRE 1120 560 1120 544
WIRE 64 592 64 560
WIRE 288 592 288 560
WIRE 400 656 400 448
WIRE 432 656 400 656
WIRE 864 656 864 608
WIRE 864 656 752 656
WIRE 864 672 864 656
WIRE 592 768 592 752
WIRE 864 768 864 752
FLAG 1120 448 OUT
FLAG 864 768 0
FLAG 976 560 0
FLAG 1120 560 0
FLAG 592 768 0
FLAG 64 592 0
FLAG 288 592 0
FLAG 64 448 IN
SYMBOL VOLTAGE 64 464 R0
WINDOW 0 11 10 Left 2
WINDOW 3 11 105 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 25 133 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMATTR SpiceLine Rser=.5
SYMBOL RES 848 512 R0
SYMATTR InstName R1
SYMATTR Value 30k
SYMBOL RES 848 656 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 736 464 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMBOL POLCAP 960 464 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 1104 448 R0
SYMATTR InstName Rload
SYMATTR Value 10
TEXT 56 712 Left 2 !.tran 0 1m .2m steady