Version 4
SHEET 1 880 680
WIRE -32 64 -128 64
WIRE 80 64 -32 64
WIRE 288 64 160 64
WIRE -128 80 -128 64
WIRE -32 144 -32 64
WIRE -16 144 -32 144
WIRE 288 144 288 64
WIRE 288 144 272 144
WIRE -128 176 -128 160
WIRE -32 240 -32 144
WIRE -16 240 -32 240
WIRE 304 240 272 240
WIRE 384 240 304 240
WIRE 496 240 384 240
WIRE 576 240 496 240
WIRE 304 256 304 240
WIRE 384 256 384 240
WIRE 576 256 576 240
WIRE 496 272 496 240
WIRE -32 336 -32 240
WIRE -16 336 -32 336
WIRE 304 336 304 320
WIRE 304 336 272 336
WIRE 384 336 304 336
WIRE 384 352 384 336
WIRE 496 352 496 336
WIRE 576 352 576 336
WIRE -16 432 -32 432
WIRE 288 432 272 432
WIRE 384 448 384 432
FLAG -128 176 0
FLAG -32 432 0
FLAG 384 448 0
FLAG 496 352 0
FLAG 576 352 0
FLAG 288 432 0
FLAG 576 240 OUT
FLAG -128 64 IN
SYMBOL ind 64 80 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 2.7µ
SYMATTR SpiceLine Rser=5m Rpar=5K
SYMBOL voltage -128 64 R0
WINDOW 0 20 15 Left 2
WINDOW 3 25 97 Left 2
SYMATTR InstName V1
SYMATTR Value 2
SYMBOL res 368 240 R0
WINDOW 3 28 84 Left 2
SYMATTR Value 1Meg
SYMATTR InstName R1
SYMBOL res 368 336 R0
WINDOW 3 29 81 Left 2
SYMATTR Value 562K
SYMATTR InstName R2
SYMBOL cap 480 272 R0
SYMATTR InstName C1
SYMATTR Value 22µ
SYMATTR SpiceLine Rser=1m
SYMBOL res 560 240 R0
SYMATTR InstName Rload
SYMATTR Value 5.5
SYMBOL cap 288 256 R0
SYMATTR InstName C2
SYMATTR Value 22p
SYMBOL PowerProducts\\LTC3539-2 128 288 R0
SYMATTR InstName U1
TEXT 424 480 Left 2 !.tran 750u startup