* SPICE netlist
MQ1 N005 N015 0 0 IRF7303
R1 IN N001 1.5Meg
R2 OUT N008 30.1K
R3 N008 0 14K
D1 N010 N007 1N5818
D2 0 N005 1N5818
MQ2 IN N003 N005 N005 IRF7303
L1 N005 OUT 3.8
C1 OUT 0 150 Rser=50m x2
R4 N012 N011 2K
C2 N011 0 5000p
R5 IN N013 3.3K
V1 IN 0 6
C3 N006 0 .001
C4 N005 N007 .22
XU1 N006 N014 N009 N004 N012 0 N001 N008 N002 IN N010 N015 0 N005 N003 N007 N005 N013 0 N010 LTC3778 ;pnba Run/SS)Von)Vrng)FCB)Ith)GND)Ion)FB)EXTVcc)Vin)INTVcc)BG)PGND)SW)TG)Boost)Sense+)Pgood)Sense-)DRVcc
C6 N010 0 4.7
Rload OUT 0 1
.tran 2.75m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1312 736
WIRE -560 -368 -656 -368
WIRE -240 -368 -560 -368
WIRE -80 -368 -240 -368
WIRE 240 -368 -80 -368
WIRE -656 -352 -656 -368
WIRE -240 -352 -240 -368
WIRE 240 -272 240 -368
WIRE -656 -256 -656 -272
WIRE -560 -256 -560 -368
WIRE -240 -256 -240 -272
WIRE -80 -256 -80 -368
WIRE -352 -192 -368 -192
WIRE 192 -192 32 -192
WIRE -352 -128 -368 -128
WIRE 112 -128 32 -128
WIRE 240 -128 240 -176
WIRE 240 -128 112 -128
WIRE 288 -128 240 -128
WIRE 320 -128 288 -128
WIRE 432 -128 400 -128
WIRE 544 -128 432 -128
WIRE 656 -128 544 -128
WIRE 432 -112 432 -128
WIRE 544 -112 544 -128
WIRE 656 -112 656 -128
WIRE 288 -80 288 -128
WIRE -480 -64 -528 -64
WIRE -352 -64 -416 -64
WIRE 112 -64 32 -64
WIRE 432 -16 432 -32
WIRE 432 -16 400 -16
WIRE 544 -16 544 -48
WIRE 656 -16 656 -32
WIRE -352 0 -368 0
WIRE 64 0 32 0
WIRE 112 0 64 0
WIRE 432 0 432 -16
WIRE 112 16 112 0
WIRE 288 16 288 -16
WIRE -448 64 -464 64
WIRE -352 64 -368 64
WIRE 64 64 64 0
WIRE 64 64 32 64
WIRE 112 96 112 80
WIRE 432 96 432 80
WIRE -560 128 -560 -176
WIRE -352 128 -560 128
WIRE 240 128 240 -128
WIRE 240 128 32 128
WIRE 240 176 240 128
WIRE -352 192 -368 192
WIRE 160 192 32 192
WIRE -352 256 -416 256
WIRE 192 256 32 256
WIRE 160 288 160 192
WIRE 240 288 240 272
WIRE 240 288 160 288
WIRE 240 304 240 288
WIRE -240 336 -240 320
WIRE -80 336 -80 320
WIRE -416 368 -416 256
WIRE 400 368 400 -16
WIRE 400 368 -416 368
FLAG -240 336 0
FLAG -80 336 0
FLAG 240 304 0
FLAG 112 96 0
FLAG 288 16 0
FLAG 656 -16 0
FLAG 432 96 0
FLAG 544 -16 0
FLAG -528 64 0
FLAG -656 -256 0
FLAG -528 -64 0
FLAG 656 -128 OUT
FLAG -656 -368 IN
SYMBOL NMOS 192 176 R0
SYMATTR InstName Q1
SYMATTR Value IRF7303
SYMBOL RES -256 -368 R0
SYMATTR InstName R1
SYMATTR Value 1.5Meg
SYMBOL res 416 -128 R0
SYMATTR InstName R2
SYMATTR Value 30.1K
SYMBOL res 416 -16 R0
SYMATTR InstName R3
SYMATTR Value 14K
SYMBOL schottky 96 0 M180
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL schottky 272 -16 M180
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL nmos 192 -272 R0
SYMATTR InstName Q2
SYMATTR Value IRF7303
SYMBOL ind 304 -112 R270
SYMATTR InstName L1
SYMATTR Value 3.8
SYMBOL polcap 528 -112 R0
SYMATTR SpiceLine2 x2
SYMATTR Value 150
SYMATTR InstName C1
SYMATTR SpiceLine Rser=50m
SYMBOL res -352 48 R90
SYMATTR InstName R4
SYMATTR Value 2K
SYMBOL cap -464 48 R90
SYMATTR InstName C2
SYMATTR Value 5000p
SYMBOL res -576 -272 R0
SYMATTR InstName R5
SYMATTR Value 3.3K
SYMBOL VOLTAGE -656 -368 R0
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL cap -416 -80 R90
SYMATTR InstName C3
SYMATTR Value .001
SYMBOL cap 96 -128 R0
SYMATTR InstName C4
SYMATTR Value .22
SYMBOL PowerProducts\\LTC3778 -160 32 R0
SYMATTR InstName U1
SYMBOL polcap 96 16 R0
SYMATTR InstName C6
SYMATTR Value 4.7
SYMBOL res 640 -128 R0
SYMATTR InstName Rload
SYMATTR Value 1