* SPICE netlist
XU1 N003 N017 N012 0 N016 N014 0 IN 0 N018 N020 N013 N004 N006 N009 N010 0 N011 N001 N002 IN N008 N007 N005 LTC3780 ;pnba Pgood)SS)Sense+)Sense-)Ith)Vosense)SGND)Run)FCB)PLLFLT)PLLIN)STBYMD)Boost2))SW2))PGND))INTVcc)EXTVcc)Vin)SW1))Boost1
MQ1 IN N006 N009 N009 IRF7831
D1 N001 N005 BAT54
D2 N001 N004 BAT54
C1 N001 0 4.7
MQ2 OUT N007 N008 N008 IRF7831
MQ3 N008 N011 N012 N012 IRF7831
V1 IN 0 5
C2 OUT 0 100
R1 N014 0 7.5K
R2 OUT N014 105K
R3 N012 0 10m
C3 N004 N009 .1
C4 N005 N008 .1
C5 N017 0 .001
C6 N016 N015 2200p
R4 N015 0 20K
MQ4 N009 N010 N012 N012 IRF7831
D3 N012 N009 1N5817
D4 N008 OUT 1N5817
L1 N009 N008 2
C7 N019 N018 .01
R5 N019 0 10K
V2 N020 0 SIN(1 1 250K)
Rload OUT 0 5
.tran 1.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1392 992
WIRE -552 -496 -664 -496
WIRE -344 -496 -552 -496
WIRE -216 -496 -344 -496
WIRE -664 -480 -664 -496
WIRE -88 -480 -424 -480
WIRE 232 -480 -88 -480
WIRE 360 -480 232 -480
WIRE 360 -464 360 -480
WIRE -216 -448 -216 -496
WIRE -88 -448 -88 -480
WIRE 40 -448 40 -464
WIRE -424 -432 -424 -480
WIRE 232 -432 232 -480
WIRE -344 -400 -344 -496
WIRE -328 -400 -344 -400
WIRE 184 -400 168 -400
WIRE -664 -384 -664 -400
WIRE 360 -384 360 -400
WIRE -552 -320 -552 -496
WIRE -424 -320 -424 -368
WIRE -328 -320 -424 -320
WIRE 232 -320 232 -368
WIRE 232 -320 168 -320
WIRE 440 -320 408 -320
WIRE 552 -320 440 -320
WIRE 600 -320 552 -320
WIRE 696 -320 600 -320
WIRE 440 -304 440 -320
WIRE 600 -304 600 -320
WIRE 696 -304 696 -320
WIRE -328 -240 -504 -240
WIRE 360 -240 168 -240
WIRE 440 -224 440 -240
WIRE 440 -224 408 -224
WIRE 600 -208 600 -240
WIRE 696 -208 696 -224
WIRE -584 -160 -696 -160
WIRE -552 -160 -552 -224
WIRE -552 -160 -584 -160
WIRE -424 -160 -424 -256
WIRE -424 -160 -552 -160
WIRE -328 -160 -424 -160
WIRE 232 -160 232 -256
WIRE 232 -160 168 -160
WIRE 408 -160 408 -224
WIRE 408 -160 232 -160
WIRE 440 -160 408 -160
WIRE -584 -144 -584 -160
WIRE 552 -96 552 -320
WIRE -328 -80 -504 -80
WIRE 360 -80 168 -80
WIRE -584 -64 -584 -80
WIRE -552 -64 -584 -64
WIRE -328 0 -344 0
WIRE 552 0 552 -16
WIRE 552 0 168 0
WIRE 552 16 552 0
WIRE -504 80 -520 80
WIRE -408 80 -424 80
WIRE -328 80 -344 80
WIRE 184 80 168 80
WIRE 552 112 552 96
WIRE -456 160 -520 160
WIRE -328 160 -392 160
WIRE 200 160 168 160
WIRE 296 160 264 160
WIRE 296 176 296 160
WIRE -328 240 -344 240
WIRE 200 240 168 240
WIRE 296 272 296 256
WIRE 200 304 200 240
WIRE 56 320 56 304
WIRE -216 352 -216 304
WIRE -184 352 -216 352
WIRE -88 352 -88 304
WIRE -88 352 -104 352
WIRE -56 352 -88 352
WIRE 200 400 200 384
WIRE -552 432 -552 -64
WIRE -216 432 -216 352
WIRE -216 432 -552 432
WIRE 408 432 408 -64
WIRE 408 432 -216 432
WIRE -696 480 -696 -160
WIRE -56 480 -696 480
WIRE 440 480 440 -160
WIRE 440 480 24 480
FLAG 360 -384 0
FLAG -664 -384 0
FLAG 600 -208 0
FLAG 552 112 0
FLAG -56 352 0
FLAG 56 320 0
FLAG -520 160 0
FLAG -520 80 0
FLAG -344 240 0
FLAG 696 -208 0
FLAG 184 80 0
FLAG 296 272 0
FLAG 200 400 0
FLAG -664 -496 IN
FLAG 696 -320 OUT
SYMBOL PowerProducts\\LTC3780 -88 -80 R0
SYMATTR InstName U1
SYMBOL nmos -504 -320 M0
SYMATTR Value IRF7831
SYMATTR InstName Q1
SYMBOL schottky 216 -432 R0
SYMATTR InstName D1
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -440 -432 R0
SYMATTR InstName D2
SYMATTR Value BAT54
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 344 -464 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL nmos 360 -320 R0
SYMATTR Value IRF7831
SYMATTR InstName Q2
SYMBOL nmos 360 -160 R0
SYMATTR Value IRF7831
SYMATTR InstName Q3
SYMBOL voltage -664 -496 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL cap 584 -304 R0
SYMATTR InstName C2
SYMATTR Value 100
SYMBOL res 536 0 R0
SYMATTR InstName R1
SYMATTR Value 7.5K
SYMBOL res 536 -112 R0
SYMATTR InstName R2
SYMATTR Value 105K
SYMBOL res -200 368 R270
SYMATTR InstName R3
SYMATTR Value 10m
SYMBOL cap -440 -320 R0
SYMATTR InstName C3
SYMATTR Value .1
SYMBOL cap 216 -320 R0
SYMATTR InstName C4
SYMATTR Value .1
SYMBOL cap -392 144 R90
SYMATTR InstName C5
SYMATTR Value .001
SYMBOL cap -344 64 R90
SYMATTR InstName C6
SYMATTR Value 2200p
SYMBOL res -408 64 R90
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL nmos -504 -160 M0
SYMATTR Value IRF7831
SYMATTR InstName Q4
SYMBOL schottky -568 -80 R180
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 424 -240 M180
SYMATTR InstName D4
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind -72 496 R270
SYMATTR InstName L1
SYMATTR Value 2
SYMBOL cap 264 144 R90
SYMATTR InstName C7
SYMATTR Value .01
SYMBOL res 280 160 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL voltage 200 288 R0
SYMATTR Value SIN(1 1 250K)
SYMATTR InstName V2
SYMBOL res 680 -320 R0
SYMATTR InstName Rload
SYMATTR Value 5