Version 4
SHEET 1 880 680
WIRE 48 -80 -144 -80
WIRE 144 -80 48 -80
WIRE 272 -80 144 -80
WIRE 368 -80 272 -80
WIRE -144 -64 -144 -80
WIRE 144 -64 144 -80
WIRE 272 -64 272 -80
WIRE 48 0 48 -80
WIRE 64 0 48 0
WIRE 368 0 368 -80
WIRE 368 0 352 0
WIRE -144 32 -144 16
WIRE -176 96 -304 96
WIRE -80 96 -176 96
WIRE -48 96 -80 96
WIRE 64 96 32 96
WIRE 384 96 352 96
WIRE 496 96 464 96
WIRE 608 96 496 96
WIRE 704 96 608 96
WIRE -304 112 -304 96
WIRE -176 112 -176 96
WIRE 496 112 496 96
WIRE 608 112 608 96
WIRE 704 112 704 96
WIRE -80 192 -80 96
WIRE 64 192 -80 192
WIRE 496 192 352 192
WIRE -304 208 -304 192
WIRE -176 208 -176 176
WIRE -80 208 -80 192
WIRE 496 208 496 192
WIRE 608 208 608 176
WIRE 704 208 704 192
WIRE 48 288 48 0
WIRE 64 288 48 288
WIRE 368 288 368 0
WIRE 368 288 352 288
WIRE -80 304 -80 288
WIRE 496 304 496 288
WIRE -176 384 -304 384
WIRE -96 384 -176 384
WIRE -48 384 -96 384
WIRE 64 384 32 384
WIRE 384 384 352 384
WIRE 496 384 464 384
WIRE 608 384 496 384
WIRE 704 384 608 384
WIRE -304 400 -304 384
WIRE -176 400 -176 384
WIRE -96 400 -96 384
WIRE 496 400 496 384
WIRE 608 400 608 384
WIRE 704 400 704 384
WIRE 64 480 -96 480
WIRE 496 480 352 480
WIRE -304 496 -304 480
WIRE -176 496 -176 464
WIRE -96 496 -96 480
WIRE 496 496 496 480
WIRE 608 496 608 464
WIRE 704 496 704 480
WIRE 144 560 144 544
WIRE 272 560 272 544
WIRE -96 592 -96 576
WIRE 496 592 496 576
FLAG -144 32 0
FLAG 608 208 0
FLAG 704 208 0
FLAG 496 304 0
FLAG 608 496 0
FLAG 704 496 0
FLAG 496 592 0
FLAG -176 208 0
FLAG -304 208 0
FLAG -80 304 0
FLAG -176 496 0
FLAG -304 496 0
FLAG -96 592 0
FLAG 272 560 0
FLAG 144 560 0
FLAG -144 -80 IN
FLAG 704 96 OUT1
FLAG 704 384 OUT2
FLAG -304 384 OUT4
FLAG -304 96 OUT3
SYMBOL voltage -144 -80 R0
SYMATTR InstName V1
SYMATTR Value 3.6
SYMBOL ind 368 112 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L1
SYMATTR Value 10µ
SYMBOL cap 592 112 R0
SYMATTR InstName C1
SYMATTR Value 4.7µ
SYMBOL res 480 96 R0
SYMATTR InstName R1
SYMATTR Value 59K
SYMBOL res 480 192 R0
SYMATTR InstName R2
SYMATTR Value 118K
SYMBOL ind 368 400 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L2
SYMATTR Value 3.3µ
SYMBOL cap 592 400 R0
SYMATTR InstName C2
SYMATTR Value 4.7µ
SYMBOL res 480 384 R0
SYMATTR InstName R3
SYMATTR Value 133K
SYMBOL res 480 480 R0
SYMATTR InstName R4
SYMATTR Value 107K
SYMBOL ind 48 112 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L3
SYMATTR Value 3.3µ
SYMBOL cap -192 112 R0
SYMATTR InstName C3
SYMATTR Value 4.7µ
SYMBOL res -96 192 R0
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL ind 48 400 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName L4
SYMATTR Value 4.7µ
SYMBOL cap -192 400 R0
SYMATTR InstName C4
SYMATTR Value 4.7µ
SYMBOL res -112 384 R0
SYMATTR InstName R6
SYMATTR Value 93.1K
SYMBOL res -112 480 R0
SYMATTR InstName R7
SYMATTR Value 107K
SYMBOL PowerProducts\\LTC3544B 208 240 R0
SYMATTR InstName U1
SYMBOL res -320 96 R0
SYMATTR InstName Rload3
SYMATTR Value 4
SYMBOL res -320 384 R0
SYMATTR InstName Rload4
SYMATTR Value 7.5
SYMBOL res 688 384 R0
SYMATTR InstName Rload2
SYMATTR Value 6
SYMBOL res 688 96 R0
SYMATTR InstName Rload1
SYMATTR Value 12
TEXT 648 584 Left 2 !.tran 900u startup