Version 4
SHEET 1 1972 680
WIRE -16 96 -128 96
WIRE 128 96 -16 96
WIRE -128 112 -128 96
WIRE 128 112 128 96
WIRE -16 176 -16 96
WIRE 0 176 -16 176
WIRE 272 176 256 176
WIRE 368 176 352 176
WIRE 448 176 368 176
WIRE 560 176 448 176
WIRE 656 176 560 176
WIRE 448 192 448 176
WIRE 560 192 560 176
WIRE 656 192 656 176
WIRE -128 208 -128 192
WIRE 368 208 368 176
WIRE 560 288 560 256
WIRE 656 288 656 272
WIRE 0 304 -16 304
WIRE 368 304 368 272
WIRE 368 304 256 304
WIRE 448 304 448 272
WIRE 448 304 368 304
WIRE 448 320 448 304
WIRE 128 384 128 368
WIRE 448 416 448 400
FLAG 448 416 0
FLAG 128 384 0
FLAG -128 208 0
FLAG 560 288 0
FLAG 656 288 0
FLAG 656 176 OUT
FLAG -128 96 IN
FLAG -16 304 0
SYMBOL ind 256 192 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 3.3µ
SYMBOL res 432 176 R0
SYMATTR InstName R1
SYMATTR Value 200K
SYMBOL res 432 304 R0
SYMATTR InstName R2
SYMATTR Value 137K
SYMBOL voltage -128 96 R0
SYMATTR InstName V1
SYMATTR Value 2.2
SYMBOL cap 544 192 R0
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL cap 352 208 R0
SYMATTR InstName C2
SYMATTR Value 22p
SYMBOL res 640 176 R0
SYMATTR InstName R3
SYMATTR Value 6
SYMBOL PowerProducts\\LTC3549 128 240 R0
SYMATTR InstName U1
TEXT 400 456 Left 2 !.tran 1.2m startup