* SPICE netlist
C1 0 N016 .1
C2 0 N006 1.5n
C3 0 N019 47p
V1 IN 0 54
R1 IN N009 39K
C4 IN 0 22
L1 IN N001 200 Rser=.2
L2 N002 OUT 3.125 Rser=12m
C5 N009 0 10
MQ1 N001 N007 N017 N017 Si4490DY
R2 N022 P001 330
C6 N023 P001 .1
C7 N011 N024 2.2n
R3 N011 0 10K
D1 0 N011 BAT54
Q2 0 N011 N014 0 2N2907
MQ3 N002 N014 0 0 Si4466DY
Q4 N008 N011 N014 0 2N2222
C8 N008 0 1
D2 N002 N005 BAT54
R4 N005 N008 47
C9 OUT 0 150 x3
C10 OUT 0 1
L3 0 N020 50 Rser=.215
R5 N021 0 3.4K
R6 N020 N021 33.8K
D3 N018 N009 MMSD4148
R7 N018 N020 10
R8 N015 0 51K
R9 N012 0 100K
R10 N003 0 30.9K
R11 N013 0 1.225K
R12 N010 0 50K
R13 N004 IN 100K
L4 0 N023 1.5m Rser=1.5
L5 0 N024 1.5m Rser=1.5
R14 N017 0 .04
Rload OUT 0 1
XU1 0 NC_01 N003 0 N022 N009 N012 N015 0 NC_02 N019 N021 N006 N004 0 N017 N016 N013 N010 N007 0 N004 NC_03 IN 0 LTC4278 ;pnba SHDN)_T2PSE)RCLASS)VPORTN)SG)VCC)TON)ENDLY)SYNC)SFST)OSC)FB)VCMP)UVLO)SENSE-)SENSE+)CCMP)RCMP)PGDLY)PG)VNEG)PWRGD)_PWRGD)VPORTP)GND
K1 L1 L2 L3 1
.tran 43m startup
K2 L4 L5 1

* LTspice schematic (.asc)
Version 4
SHEET 1 1296 864
WIRE -56 -432 -632 -432
WIRE 24 -432 -56 -432
WIRE 120 -432 24 -432
WIRE 200 -432 120 -432
WIRE 24 -416 24 -432
WIRE 456 -416 408 -416
WIRE 568 -416 456 -416
WIRE 648 -416 568 -416
WIRE 120 -400 120 -432
WIRE 456 -400 456 -416
WIRE 568 -400 568 -416
WIRE 648 -400 648 -416
WIRE -376 -384 -392 -384
WIRE -56 -384 -56 -432
WIRE -56 -384 -88 -384
WIRE 200 -384 200 -432
WIRE 280 -384 200 -384
WIRE 408 -384 408 -416
WIRE 408 -384 328 -384
WIRE -56 -352 -56 -384
WIRE 24 -320 24 -336
WIRE 280 -304 200 -304
WIRE 408 -304 328 -304
WIRE 456 -304 456 -336
WIRE 568 -304 568 -336
WIRE 648 -304 648 -320
WIRE 408 -272 408 -304
WIRE 488 -272 408 -272
WIRE 632 -272 488 -272
WIRE -472 -256 -504 -256
WIRE -376 -256 -392 -256
WIRE 120 -256 120 -320
WIRE 120 -256 -88 -256
WIRE 488 -256 488 -272
WIRE -632 -224 -632 -432
WIRE 200 -208 200 -304
WIRE -376 -192 -408 -192
WIRE -56 -192 -56 -288
WIRE -56 -192 -88 -192
WIRE -24 -192 -56 -192
WIRE 488 -176 488 -192
WIRE -456 -128 -472 -128
WIRE -376 -128 -392 -128
WIRE 152 -128 -88 -128
WIRE 488 -80 488 -96
WIRE 488 -80 344 -80
WIRE -632 -64 -632 -144
WIRE -584 -64 -632 -64
WIRE -376 -64 -584 -64
WIRE -72 -64 -88 -64
WIRE 88 -64 8 -64
WIRE 344 -64 344 -80
WIRE 488 -64 488 -80
WIRE -584 -48 -584 -64
WIRE 632 -32 632 -272
WIRE 424 -16 408 -16
WIRE -472 0 -488 0
WIRE -376 0 -392 0
WIRE -8 0 -88 0
WIRE 88 0 72 0
WIRE 344 16 344 0
WIRE -584 32 -584 16
WIRE 488 48 488 32
WIRE 584 48 488 48
WIRE -536 64 -552 64
WIRE -376 64 -456 64
WIRE -72 64 -88 64
WIRE 88 64 -8 64
WIRE 488 64 488 48
WIRE 632 80 632 64
WIRE 200 96 200 -112
WIRE 200 96 136 96
WIRE -632 112 -632 -64
WIRE 200 112 200 96
WIRE 408 112 408 -16
WIRE 424 112 408 112
WIRE -376 128 -392 128
WIRE 136 128 136 96
WIRE 136 128 -88 128
WIRE 488 176 488 160
WIRE 136 192 -88 192
WIRE -632 224 -632 176
WIRE 136 224 136 192
WIRE 200 224 200 192
WIRE 200 224 136 224
WIRE 200 240 200 224
WIRE -488 256 -504 256
WIRE -376 256 -424 256
WIRE 120 256 120 -256
WIRE 120 256 -88 256
WIRE -632 320 -632 304
WIRE -568 320 -632 320
WIRE -456 320 -488 320
WIRE -376 320 -456 320
WIRE -72 320 -88 320
WIRE 136 320 72 320
WIRE 232 320 184 320
WIRE 312 320 296 320
WIRE 408 320 408 112
WIRE 408 320 312 320
WIRE -632 336 -632 320
WIRE -456 336 -456 320
WIRE 136 336 136 320
WIRE 184 336 184 320
WIRE 312 336 312 320
WIRE 408 336 408 320
WIRE -232 384 -232 368
WIRE -632 432 -632 416
WIRE -456 432 -456 416
WIRE 136 432 136 416
WIRE 184 432 184 416
WIRE 312 432 312 416
WIRE 408 432 408 400
FLAG 24 -320 0
FLAG 632 80 0
FLAG 344 16 0
FLAG 568 -304 0
FLAG 456 -304 0
FLAG 648 -304 0
FLAG 648 -416 OUT
FLAG 408 432 0
FLAG 312 432 0
FLAG 488 176 0
FLAG 184 432 0
FLAG -392 128 0
FLAG -552 64 0
FLAG -488 0 0
FLAG -632 432 0
FLAG -456 432 0
FLAG -232 384 0
FLAG -472 -128 0
FLAG -504 256 0
FLAG -584 32 0
FLAG -24 -192 0
FLAG 88 -64 0
FLAG 88 64 0
FLAG 88 0 0
FLAG 200 240 0
FLAG 136 432 0
FLAG -408 -192 0
FLAG -504 -256 0
FLAG -392 -384 0
FLAG 24 -432 IN
SYMBOL cap -8 48 R90
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL cap -456 -144 M90
SYMATTR InstName C2
SYMATTR Value 1.5n
SYMBOL cap -488 240 M90
SYMATTR InstName C3
SYMATTR Value 47p
SYMBOL voltage 24 -432 R0
SYMATTR Value 54
SYMATTR InstName V1
SYMBOL res -648 -240 R0
SYMATTR InstName R1
SYMATTR Value 39K
SYMATTR Type r
SYMBOL cap -72 -352 R0
SYMATTR InstName C4
SYMATTR Value 22
SYMBOL ind2 264 -400 R0
SYMATTR InstName L1
SYMATTR Value 200
SYMATTR SpiceLine Rser=.2
SYMBOL ind2 344 -288 R180
SYMATTR InstName L2
SYMATTR Value 3.125
SYMATTR SpiceLine Rser=12m
SYMBOL cap -600 -48 R0
SYMATTR InstName C5
SYMATTR Value 10
SYMBOL nmos 152 -208 R0
SYMATTR InstName Q1
SYMATTR Value Si4490DY
SYMBOL res -88 336 R270
SYMATTR InstName R2
SYMATTR Value 330
SYMBOL cap 72 304 R90
SYMATTR InstName C6
SYMATTR Value .1
SYMBOL cap 296 304 R90
SYMATTR InstName C7
SYMATTR Value 2.2n
SYMBOL res 296 320 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL schottky 392 400 M180
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL pnp 424 160 M180
SYMATTR InstName Q2
SYMATTR Value 2N2907
SYMBOL nmos 584 -32 R0
SYMATTR Value Si4466DY
SYMATTR InstName Q3
SYMBOL npn 424 -64 R0
SYMATTR InstName Q4
SYMATTR Value 2N2222
SYMBOL cap 328 -64 R0
SYMATTR Value 1
SYMATTR InstName C8
SYMBOL schottky 472 -256 R0
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 472 -192 R0
SYMATTR InstName R4
SYMATTR Value 47
SYMBOL cap 440 -400 R0
SYMATTR Value 150
SYMATTR SpiceLine2 x3
SYMATTR InstName C9
SYMBOL cap 552 -400 R0
SYMATTR InstName C10
SYMATTR Value 1
SYMBOL ind2 -616 432 R180
SYMATTR InstName L3
SYMATTR Value 50
SYMATTR Type ind
SYMATTR SpiceLine Rser=.215
SYMBOL res -472 320 R0
SYMATTR InstName R5
SYMATTR Value 3.4K
SYMBOL res -584 304 M90
SYMATTR InstName R6
SYMATTR Value 33.8K
SYMBOL diode -648 176 M180
SYMATTR InstName D3
SYMATTR Value MMSD4148
SYMBOL res -648 208 R0
SYMATTR InstName R7
SYMATTR Value 10
SYMBOL res -440 48 R90
SYMATTR InstName R8
SYMATTR Value 51K
SYMBOL res -376 -16 R90
SYMATTR InstName R9
SYMATTR Value 100K
SYMBOL res -376 -272 R90
SYMATTR InstName R10
SYMATTR Value 30.9K
SYMBOL res -24 16 R270
SYMATTR InstName R11
SYMATTR Value 1.225K
SYMBOL res -88 -48 R270
SYMATTR InstName R12
SYMATTR Value 50K
SYMBOL res 104 -304 M180
SYMATTR InstName R13
SYMATTR Value 100K
SYMBOL ind2 120 432 M180
SYMATTR InstName L4
SYMATTR Value 1.5m
SYMATTR Type ind
SYMATTR SpiceLine Rser=1.5
SYMBOL ind2 200 432 R180
SYMATTR InstName L5
SYMATTR Value 1.5m
SYMATTR Type ind
SYMATTR SpiceLine Rser=1.5
SYMBOL res 184 96 R0
SYMATTR InstName R14
SYMATTR Value .04
SYMBOL res 632 -416 R0
SYMATTR InstName Rload
SYMATTR Value 1
SYMBOL PowerProducts\\LTC4278 -232 -32 R0
SYMATTR InstName U1