Version 4
SHEET 1 1560 680
WIRE -80 -112 -128 -112
WIRE 32 -112 -16 -112
WIRE -384 -64 -448 -64
WIRE -352 -64 -384 -64
WIRE -304 -64 -352 -64
WIRE -128 -64 -128 -112
WIRE -128 -64 -160 -64
WIRE -128 -16 -128 -64
WIRE -80 -16 -128 -16
WIRE 32 -16 -16 -16
WIRE -304 80 -304 16
WIRE 32 80 -304 80
WIRE 352 80 288 80
WIRE 384 80 352 80
WIRE -448 160 -448 -64
WIRE -352 160 -352 -64
WIRE 32 176 -16 176
WIRE 384 176 384 80
WIRE -16 272 -16 176
WIRE 32 272 -16 272
WIRE -16 368 -16 272
WIRE 32 368 -16 368
WIRE -16 384 -16 368
WIRE -448 464 -448 240
WIRE -352 464 -352 224
WIRE -352 464 -448 464
WIRE -160 464 -160 16
WIRE -160 464 -352 464
WIRE -16 464 -16 448
WIRE -16 464 -160 464
WIRE 160 464 160 416
WIRE 160 464 -16 464
WIRE 384 464 384 240
WIRE 384 464 160 464
WIRE 160 480 160 464
FLAG 160 480 0
FLAG 352 80 OUT
FLAG -384 -64 IN
SYMBOL cap -16 -128 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C1
SYMATTR Value 4.7n
SYMBOL cap -16 -32 R90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName C2
SYMATTR Value 330p
SYMBOL cap -32 384 R0
SYMATTR InstName C3
SYMATTR Value 2.2µ
SYMBOL ind2 -320 -80 R0
SYMATTR InstName L1
SYMATTR Value 12.5µ
SYMATTR Type ind
SYMATTR SpiceLine Rser=0.08
SYMBOL ind2 -144 -80 M0
WINDOW 3 37 112 Left 0
SYMATTR Value 31.25m
SYMATTR InstName L2
SYMATTR Type ind
SYMATTR SpiceLine Rser=200
SYMBOL voltage -448 144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 14 140 Left 0
WINDOW 3 14 112 Left 0
SYMATTR SpiceLine Rser=0
SYMATTR Value PWL(0.1m 0 0.101m {Vin})
SYMATTR InstName V1
SYMBOL PowerProducts\\LTC3108 160 128 R0
SYMATTR InstName U1
SYMBOL cap 368 176 R0
SYMATTR InstName C4
SYMATTR Value 100
SYMATTR SpiceLine Rser=0.1
SYMBOL cap -368 160 R0
SYMATTR InstName C5
SYMATTR Value 220µ
SYMATTR SpiceLine Rser=0.6
TEXT -304 -88 Left 0 !K1 L1 L2 0.95
TEXT 440 -104 Left 0 !.tran 0 250m 200m 100n startup
TEXT 440 -72 Left 0 !.ic V(OUT)=4.1
TEXT 440 -32 Left 0 !.step param Vin 50m 200m 50m
TEXT 440 40 Left 0 !.meas tran Ve avg V(IN) \n.meas tran Ie avg I(L1)\n.meas tran Pe avg (V(IN)*I(L1))\n.meas tran Re avg (V(IN)/I(L1))\n.meas tran Ia avg I(C4)\n.meas tran Pa avg (V(out)*I(C4))\n.meas tran eta param Pa/Pe
TEXT 440 0 Left 0 ;.step param Vout LIST 3.0 3.6 4.1
TEXT 392 272 Left 0 ;LIC1840R 3R8107
TEXT -256 -120 Left 0 ;1:50
TEXT 352 -160 Left 0 ;.option gmin=1e-10 abstol=1e-10 reltol=0.003