Version 4
SHEET 1 1076 708
WIRE 176 32 16 32
WIRE 272 32 176 32
WIRE 352 32 272 32
WIRE 432 32 352 32
WIRE 16 48 16 32
WIRE 272 64 272 32
WIRE 352 64 352 32
WIRE 432 64 432 32
WIRE 176 128 176 32
WIRE 208 128 176 128
WIRE 16 144 16 128
WIRE -112 224 -240 224
WIRE -32 224 -112 224
WIRE 48 224 -32 224
WIRE 96 224 48 224
WIRE 208 224 176 224
WIRE 512 224 496 224
WIRE 624 224 592 224
WIRE 736 224 624 224
WIRE -240 240 -240 224
WIRE -112 240 -112 224
WIRE -32 240 -32 224
WIRE 48 240 48 224
WIRE 736 240 736 224
WIRE -240 336 -240 320
WIRE -112 336 -112 304
WIRE -32 336 -32 304
WIRE 48 336 48 320
WIRE 48 336 -32 336
WIRE 208 336 48 336
WIRE 624 336 624 224
WIRE 624 336 496 336
WIRE 736 336 736 320
WIRE 48 352 48 336
WIRE 624 352 624 336
WIRE 352 400 352 384
WIRE 624 432 624 416
WIRE 48 448 48 432
FLAG 16 144 0
FLAG 352 400 0
FLAG 624 432 0
FLAG 736 336 0
FLAG 16 32 IN
FLAG 736 224 OUT1
FLAG -112 336 0
FLAG -240 336 0
FLAG -240 224 OUT2
FLAG 48 448 0
SYMBOL VOLTAGE 16 32 R0
SYMATTR InstName V1
SYMATTR Value 2.8
SYMBOL ind 496 240 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 2.2µ
SYMBOL ind 192 240 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 4.7µ
SYMBOL res 32 336 R0
SYMATTR InstName R1
SYMATTR Value 280K
SYMBOL res 32 224 R0
SYMATTR InstName R2
SYMATTR Value 887K
SYMBOL cap -48 240 R0
SYMATTR InstName C1
SYMATTR Value 68p
SYMBOL PowerProducts\\LTC3548-2 352 224 R0
SYMATTR InstName U1
SYMBOL cap -128 240 R0
SYMATTR InstName C2
SYMATTR Value 4.7µ
SYMBOL cap 608 352 R0
WINDOW 3 30 52 Left 2
SYMATTR Value 10µ
SYMATTR InstName C3
SYMBOL res 720 224 R0
SYMATTR InstName Rload1
SYMATTR Value 2.25
SYMBOL res -256 224 R0
SYMATTR InstName Rload2
SYMATTR Value 50
TEXT 368 440 Left 2 !.tran 500u startup