Version 4
SHEET 1 1360 984
WIRE 512 496 336 496
WIRE 560 496 512 496
WIRE 672 496 640 496
WIRE 736 496 672 496
WIRE 864 496 800 496
WIRE 992 496 864 496
WIRE 1088 496 992 496
WIRE 336 512 336 496
WIRE 992 512 992 496
WIRE 1088 512 1088 496
WIRE 512 560 512 496
WIRE 672 560 672 496
WIRE 864 560 864 496
WIRE 336 608 336 592
WIRE 992 608 992 576
WIRE 1088 608 1088 592
WIRE 224 656 128 656
WIRE 368 656 304 656
WIRE 432 656 368 656
WIRE 864 656 864 640
WIRE 864 656 752 656
WIRE 128 672 128 656
WIRE 368 672 368 656
WIRE 864 672 864 656
WIRE 368 752 368 736
WIRE 128 768 128 752
WIRE 592 768 592 752
WIRE 864 768 864 752
FLAG 1088 496 OUT
FLAG 864 768 0
FLAG 992 608 0
FLAG 1088 608 0
FLAG 592 768 0
FLAG 336 608 0
FLAG 368 752 0
FLAG 128 768 0
FLAG 336 496 IN
SYMBOL VOLTAGE 336 496 R0
SYMATTR InstName V1
SYMATTR Value 3.3
SYMBOL RES 848 544 R0
SYMATTR InstName R1
SYMATTR Value 33.1K
SYMBOL RES 848 656 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL IND 544 512 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 4.2µ
SYMATTR SpiceLine Rser=0.182
SYMBOL SCHOTTKY 736 512 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMBOL POLCAP 976 512 R0
SYMATTR InstName C1
SYMATTR Value 20µ
SYMBOL PowerProducts\\LT1935 592 656 R0
SYMATTR InstName U1
SYMBOL res 320 640 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap 352 672 R0
SYMATTR InstName C3
SYMATTR Value .22µ
SYMBOL VOLTAGE 128 656 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR InstName V2
SYMATTR Value PWL(0 0 1m 3)
SYMBOL res 1072 496 R0
SYMATTR InstName Rload
SYMATTR Value 10
TEXT 1008 728 Left 2 !.tran 2m