* SPICE netlist
XU1 N010 N002 N012 N013 N018 N017 0 OUT N011 OUT N014 N008 N016 0 N009 N007 N005 N003 N001 IN NC_01 N015 N004 N006 0 LTC3866 ;pnba FREQ)Run)TK/SS)Ith)FB)DIFFOut)DIFFN)DIFFP)SNSD+)SNS-)SNSA+)ILim)CLKOUT)PGND)BG)SW)TG)Boost)INTVcc)Vin)ExtVcc)ITemp)Pgood)Mode/PLLIn)SGND
V1 IN 0 12
C1 0 N001 4.7
R1 N010 0 100K
C2 N013 0 1500p Rser=10K Cpar=220p
C3 N012 0 .002
D1 N001 N003 CMDSH2-3
C4 N003 N007 .1
MQ1 IN N005 N007 N007 BSC0901NS
MQ2 N007 N009 0 0 BSC0901NS
L1 N007 OUT .33 Rser=.32m
C5 OUT 0 470 x4 V=2.5 Irms=5 Rser=0.01 Lser=0 mfg="KEMET" pn="T530D477M2R5ASE010" type="Tantalum"
R2 N007 N011 4.64K
R3 N007 N014 931
C6 N011 OUT 220n
C7 OUT N014 220n
R4 N017 N018 30.1K
R5 N018 0 20K
R6 OUT 0 50m
.tran 1.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1248 1152
WIRE -256 -560 -256 -576
WIRE -352 -480 -544 -480
WIRE 128 -480 -352 -480
WIRE -544 -464 -544 -480
WIRE -256 -464 -256 -496
WIRE -16 -464 -256 -464
WIRE -16 -448 -16 -464
WIRE -352 -432 -352 -480
WIRE -256 -432 -256 -464
WIRE -544 -368 -544 -384
WIRE -432 -368 -448 -368
WIRE -16 -368 -16 -384
WIRE -16 -368 -80 -368
WIRE -16 -352 -16 -368
WIRE 128 -352 128 -480
WIRE -432 -272 -448 -272
WIRE 80 -272 -80 -272
WIRE -432 -176 -448 -176
WIRE -16 -176 -16 -288
WIRE -16 -176 -80 -176
WIRE 128 -176 128 -256
WIRE 128 -176 -16 -176
WIRE 288 -176 128 -176
WIRE 320 -176 288 -176
WIRE 432 -176 400 -176
WIRE 496 -176 432 -176
WIRE 624 -176 496 -176
WIRE 128 -160 128 -176
WIRE 496 -160 496 -176
WIRE 624 -160 624 -176
WIRE -432 -80 -448 -80
WIRE 80 -80 -80 -80
WIRE 496 -64 496 -96
WIRE 624 -64 624 -80
WIRE 128 -48 128 -64
WIRE -528 16 -544 16
WIRE -432 16 -448 16
WIRE -48 16 -80 16
WIRE 112 16 -48 16
WIRE 288 16 288 -176
WIRE 288 16 192 16
WIRE -48 32 -48 16
WIRE -528 112 -544 112
WIRE -432 112 -464 112
WIRE -48 112 -48 96
WIRE -48 112 -80 112
WIRE 432 112 432 -176
WIRE 432 112 -48 112
WIRE -48 128 -48 112
WIRE -608 208 -624 208
WIRE -432 208 -544 208
WIRE -48 208 -48 192
WIRE -48 208 -80 208
WIRE 112 208 -48 208
WIRE 288 208 288 16
WIRE 288 208 192 208
WIRE -432 304 -448 304
WIRE 432 304 432 112
WIRE 432 304 -80 304
WIRE -432 400 -448 400
WIRE -64 400 -80 400
WIRE -432 496 -448 496
WIRE -64 496 -80 496
WIRE 32 496 16 496
WIRE 48 496 32 496
WIRE 144 496 128 496
WIRE -320 576 -320 560
WIRE -192 576 -192 560
WIRE 32 576 32 496
WIRE 32 576 -192 576
FLAG -320 576 0
FLAG -256 -576 0
FLAG -544 -368 0
FLAG -544 16 0
FLAG -624 208 0
FLAG -544 112 0
FLAG -448 496 0
FLAG 128 -48 0
FLAG 496 -64 0
FLAG -64 400 0
FLAG 144 496 0
FLAG 624 -64 0
FLAG 624 -176 OUT
FLAG -544 -480 IN
SYMBOL PowerProducts\\LTC3866 -256 64 R0
SYMATTR InstName U1
SYMBOL voltage -544 -480 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap -272 -560 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL res -432 0 R90
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL cap -544 224 M270
SYMATTR InstName C2
SYMATTR Value 1500p
SYMATTR SpiceLine Rser=10K Cpar=220p
SYMBOL cap -464 128 M270
SYMATTR InstName C3
SYMATTR Value .002
SYMBOL schottky -32 -448 R0
SYMATTR InstName D1
SYMATTR Value CMDSH2-3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -32 -352 R0
SYMATTR InstName C4
SYMATTR Value .1
SYMBOL nmos 80 -352 R0
SYMATTR InstName Q1
SYMATTR Value BSC0901NS
SYMBOL nmos 80 -160 R0
SYMATTR InstName Q2
SYMATTR Value BSC0901NS
SYMBOL ind 304 -160 R270
SYMATTR InstName L1
SYMATTR Value .33
SYMATTR SpiceLine Rser=.32m
SYMBOL polcap 480 -160 R0
SYMATTR Value 470
SYMATTR Value2 x4
SYMATTR InstName C5
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=2.5 Irms=5 Rser=0.01 Lser=0 mfg="KEMET" pn="T530D477M2R5ASE010" type="Tantalum"
SYMBOL res 208 0 R90
SYMATTR InstName R2
SYMATTR Value 4.64K
SYMBOL res 208 192 R90
SYMATTR InstName R3
SYMATTR Value 931
SYMBOL cap -64 32 R0
SYMATTR InstName C6
SYMATTR Value 220n
SYMBOL cap -64 128 R0
SYMATTR InstName C7
SYMATTR Value 220n
SYMBOL res -80 512 R270
SYMATTR InstName R4
SYMATTR Value 30.1K
SYMBOL res 32 512 R270
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL res 608 -176 R0
SYMATTR InstName R6
SYMATTR Value 50m