* SPICE netlist
XU1 N018 N002 N022 N025 N030 N029 0 OUT N019 OUT N026 N012 N027 0 N015 N011 N008 N007 N006 IN NC_01 NC_02 N001 0 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 N006 4.7
R1 N018 0 100K
C2 N025 0 1500p Rser=10K Cpar=220p
C3 N022 0 .002
D1 N006 N007 CMDSH2-3
C4 N007 N011 .1
M1 IN N008 N011 N011 BSC050NE2LS
M2 N011 N015 0 0 BSC010NE2LS
L1 N011 OUT .33 Rser=.32m
C5 OUT 0 100 x6 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R"
R2 N011 N019 4.64K
R3 N011 N026 931
C6 N019 OUT 220n
C7 OUT N026 220n
R4 N029 N030 30.1K
R5 N030 0 20K
Rload OUT 0 16.7m
C8 OUT 0 330 x6 V=6.3 Irms=2.2 Rser=0.025 Lser=0 mfg="KEMET" pn="T520V337M006ASE025" type="Tantalum"
C9 0 N004 4.7
R6 N006 N001 120K
D2 N004 N010 CMDSH2-3
C10 N010 N017 .1
M3 IN N014 N017 N017 BSC050NE2LS
M4 N017 N021 0 0 BSC010NE2LS
L2 N017 OUT .33 Rser=.32m
R8 N017 N024 931
C12 N024 OUT 220n
D3 N004 N009 CMDSH2-3
C11 N009 N016 .1
M5 IN N013 N016 N016 BSC050NE2LS
M6 N016 N020 0 0 BSC010NE2LS
L3 N016 OUT .33 Rser=.32m
R7 N016 N023 931
C13 N023 OUT 220n
R9 N031 0 75K
R10 N004 N028 120K
M7 N028 N022 N001 N001 2N7002
R11 N006 N012 30.1K
R12 N012 0 10K
R13 N004 N005 20K
R14 N005 0 10K
R15 N006 N003 1K
XU2 N001 N023 OUT N002 N002 OUT N024 N001 N025 N031 0 N003 N005 N014 N017 N010 N021 NC_03 N004 IN N020 N009 N016 N013 N028 N028 N004 N025 0 LTC3874 ;pnba Mode0)Isense0+)Isense0-)Run0)Run1)Isense1-)Isense1+)Mode1)Ith1)Freq)Ilim)SYNC)PhasMD)TG1)SW1)Boost1)BG1)ExtVcc)IntVcc)Vin)BG0)Boost0)SW0)TG0)_Fault1)_Fault0)LowDCR)Ith0)GND
Q1 N003 N027 0 0 2N3904
.tran 1.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2912 1376
WIRE -432 -688 -1008 -688
WIRE -448 -672 -992 -672
WIRE -80 -656 -624 -656
WIRE -816 -608 -816 -624
WIRE -336 -608 -400 -608
WIRE -240 -608 -256 -608
WIRE -224 -608 -240 -608
WIRE -128 -608 -144 -608
WIRE 432 -608 432 -624
WIRE -240 -544 -240 -608
WIRE -240 -544 -528 -544
WIRE -816 -528 -816 -544
WIRE -816 -528 -1120 -528
WIRE -400 -528 -400 -608
WIRE -400 -528 -816 -528
WIRE -336 -528 -400 -528
WIRE 144 -528 64 -528
WIRE 176 -528 144 -528
WIRE 432 -528 432 -544
WIRE 432 -528 176 -528
WIRE 672 -528 432 -528
WIRE -912 -512 -1312 -512
WIRE -240 -512 -912 -512
WIRE 0 -512 -240 -512
WIRE 336 -512 0 -512
WIRE 848 -512 336 -512
WIRE -912 -496 -912 -512
WIRE -816 -496 -816 -528
WIRE -624 -496 -624 -656
WIRE -528 -496 -528 -544
WIRE 336 -496 336 -512
WIRE 432 -496 432 -528
WIRE 672 -496 672 -528
WIRE -992 -432 -992 -672
WIRE -976 -432 -992 -432
WIRE -448 -432 -448 -672
WIRE -448 -432 -464 -432
WIRE 256 -432 -448 -432
WIRE 672 -432 608 -432
WIRE 176 -416 176 -528
WIRE 672 -416 672 -432
WIRE 848 -416 848 -512
WIRE -1120 -336 -1120 -528
WIRE -1008 -336 -1008 -688
WIRE -976 -336 -1008 -336
WIRE -432 -336 -432 -688
WIRE -432 -336 -464 -336
WIRE -144 -336 -432 -336
WIRE 176 -336 -144 -336
WIRE 256 -336 176 -336
WIRE 800 -336 608 -336
WIRE 144 -320 144 -528
WIRE -400 -304 -400 -528
WIRE 0 -288 0 -512
WIRE -1120 -240 -1120 -272
WIRE -976 -240 -1120 -240
WIRE -400 -240 -464 -240
WIRE 256 -240 240 -240
WIRE 672 -240 672 -352
WIRE 672 -240 608 -240
WIRE 848 -240 848 -320
WIRE 848 -240 672 -240
WIRE 1040 -240 848 -240
WIRE 1072 -240 1040 -240
WIRE 1184 -240 1152 -240
WIRE 1232 -240 1184 -240
WIRE 1344 -240 1232 -240
WIRE 1456 -240 1344 -240
WIRE -1312 -224 -1312 -512
WIRE -1120 -224 -1120 -240
WIRE -400 -224 -400 -240
WIRE -240 -224 -240 -512
WIRE 848 -224 848 -240
WIRE 144 -208 144 -240
WIRE 240 -208 144 -208
WIRE 1232 -208 1232 -240
WIRE 1344 -208 1344 -240
WIRE 1456 -208 1456 -240
WIRE 0 -192 0 -208
WIRE 64 -192 64 -528
WIRE 144 -192 144 -208
WIRE -976 -144 -1264 -144
WIRE -288 -144 -464 -144
WIRE 240 -144 240 -208
WIRE 256 -144 240 -144
WIRE 800 -144 608 -144
WIRE 848 -112 848 -128
WIRE 1232 -112 1232 -144
WIRE 1344 -112 1344 -144
WIRE 1456 -112 1456 -128
WIRE -80 -96 -80 -656
WIRE 64 -96 64 -112
WIRE 64 -96 -80 -96
WIRE 144 -96 144 -112
WIRE -1440 -48 -1456 -48
WIRE -1344 -48 -1360 -48
WIRE -1312 -48 -1312 -128
WIRE -1312 -48 -1344 -48
WIRE -1120 -48 -1120 -160
WIRE -1120 -48 -1312 -48
WIRE -976 -48 -1120 -48
WIRE -400 -48 -400 -160
WIRE -400 -48 -464 -48
WIRE -240 -48 -240 -128
WIRE -240 -48 -400 -48
WIRE -112 -48 -240 -48
WIRE -80 -48 -112 -48
WIRE 32 -48 0 -48
WIRE 160 -48 144 -48
WIRE 256 -48 240 -48
WIRE 640 -48 608 -48
WIRE 800 -48 640 -48
WIRE 1040 -48 1040 -240
WIRE 1040 -48 880 -48
WIRE -1312 -32 -1312 -48
WIRE -240 -32 -240 -48
WIRE 640 -32 640 -48
WIRE -976 48 -1264 48
WIRE -288 48 -464 48
WIRE 144 48 128 48
WIRE 224 48 208 48
WIRE 256 48 224 48
WIRE 640 48 640 32
WIRE 640 48 608 48
WIRE 1184 48 1184 -240
WIRE 1184 48 640 48
WIRE 640 64 640 48
WIRE -1312 80 -1312 64
WIRE -240 80 -240 64
WIRE -1344 144 -1344 -48
WIRE -1184 144 -1344 144
WIRE -1008 144 -1104 144
WIRE -976 144 -1008 144
WIRE -432 144 -464 144
WIRE -272 144 -432 144
WIRE -112 144 -112 -48
WIRE -112 144 -192 144
WIRE 144 144 128 144
WIRE 240 144 208 144
WIRE 256 144 240 144
WIRE 640 144 640 128
WIRE 640 144 608 144
WIRE 800 144 640 144
WIRE 1040 144 1040 -48
WIRE 1040 144 880 144
WIRE -1008 160 -1008 144
WIRE -432 160 -432 144
WIRE -1456 240 -1456 -48
WIRE -1008 240 -1008 224
WIRE -1008 240 -1456 240
WIRE -976 240 -1008 240
WIRE -432 240 -432 224
WIRE -432 240 -464 240
WIRE 32 240 32 -48
WIRE 32 240 -432 240
WIRE 1184 240 1184 48
WIRE 1184 240 608 240
WIRE 224 256 224 48
WIRE 224 256 -176 256
WIRE 240 272 240 144
WIRE 240 272 -304 272
WIRE 64 288 64 -96
WIRE -976 336 -1008 336
WIRE -304 336 -304 272
WIRE -304 336 -464 336
WIRE 256 336 128 336
WIRE 624 336 608 336
WIRE 64 416 64 384
WIRE -976 432 -992 432
WIRE -448 432 -464 432
WIRE -336 432 -336 -528
WIRE -336 432 -368 432
WIRE 256 432 240 432
WIRE 656 432 608 432
WIRE 656 448 656 432
WIRE -176 480 -176 256
WIRE -768 512 -768 496
WIRE -672 512 -672 496
WIRE -576 512 -576 496
WIRE -336 512 -336 432
WIRE -336 512 -576 512
WIRE 368 512 368 496
WIRE -992 528 -992 432
WIRE -448 528 -448 432
WIRE -448 528 -992 528
WIRE -256 528 -448 528
WIRE -144 528 -144 -336
WIRE -144 528 -160 528
WIRE -1008 544 -1008 336
WIRE -304 544 -304 336
WIRE -304 544 -1008 544
WIRE 496 544 496 496
WIRE 656 544 656 528
WIRE 656 544 496 544
WIRE -864 560 -864 496
WIRE 656 560 656 544
WIRE -864 656 -864 640
WIRE 656 656 656 640
WIRE -1456 688 -1456 240
WIRE 32 688 32 240
WIRE 32 688 -1456 688
WIRE 1184 688 1184 240
WIRE 1184 688 32 688
FLAG 368 512 0
FLAG 432 -624 0
FLAG 0 -192 0
FLAG 144 -48 0
FLAG 128 144 0
FLAG 128 48 0
FLAG 240 432 0
FLAG 848 -112 0
FLAG 1232 -112 0
FLAG 656 656 0
FLAG 1456 -112 0
FLAG 1456 -240 OUT
FLAG 0 -512 IN
FLAG 240 -240 0
FLAG 624 336 0
FLAG 1344 -112 0
FLAG -768 512 0
FLAG -816 -624 0
FLAG -240 80 0
FLAG -1312 80 0
FLAG -864 656 0
FLAG -672 512 0
FLAG 144 -96 0
FLAG -128 -608 0
FLAG 64 416 0
SYMBOL PowerProducts\\LTC3866 432 0 R0
SYMATTR InstName U1
SYMBOL voltage 0 -304 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap 416 -608 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL res 256 -64 R90
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL cap 208 128 R90
SYMATTR InstName C2
SYMATTR Value 1500p
SYMATTR SpiceLine Rser=10K Cpar=220p
SYMBOL cap 208 32 R90
SYMATTR InstName C3
SYMATTR Value .002
SYMBOL schottky 656 -496 R0
SYMATTR InstName D1
SYMATTR Value CMDSH2-3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 656 -416 R0
SYMATTR InstName C4
SYMATTR Value .1
SYMBOL nmos 800 -416 R0
SYMATTR InstName M1
SYMATTR Value BSC050NE2LS
SYMBOL nmos 800 -224 R0
SYMATTR InstName M2
SYMATTR Value BSC010NE2LS
SYMBOL ind 1056 -224 R270
SYMATTR InstName L1
SYMATTR Value .33
SYMATTR SpiceLine Rser=.32m
SYMBOL cap 1216 -208 R0
SYMATTR Value2 x6
SYMATTR Value 100
SYMATTR InstName C5
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R"
SYMBOL res 896 -64 R90
SYMATTR InstName R2
SYMATTR Value 4.64K
SYMBOL res 896 128 R90
SYMATTR InstName R3
SYMATTR Value 931
SYMBOL cap 624 -32 R0
SYMATTR InstName C6
SYMATTR Value 220n
SYMBOL cap 624 64 R0
SYMATTR InstName C7
SYMATTR Value 220n
SYMBOL res 640 432 R0
SYMATTR InstName R4
SYMATTR Value 30.1K
SYMBOL res 640 544 R0
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL res 1440 -224 R0
SYMATTR InstName Rload
SYMATTR Value 16.7m
SYMBOL polcap 1328 -208 R0
SYMATTR Value 330
SYMATTR Value2 x6
SYMATTR InstName C8
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=2.2 Rser=0.025 Lser=0 mfg="KEMET" pn="T520V337M006ASE025" type="Tantalum"
SYMBOL cap -832 -608 R0
SYMATTR InstName C9
SYMATTR Value 4.7
SYMBOL res 160 -432 R0
SYMATTR InstName R6
SYMATTR Value 120K
SYMBOL schottky -416 -304 R0
SYMATTR InstName D2
SYMATTR Value CMDSH2-3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -416 -224 R0
SYMATTR InstName C10
SYMATTR Value .1
SYMBOL nmos -288 -224 R0
SYMATTR InstName M3
SYMATTR Value BSC050NE2LS
SYMBOL nmos -288 -32 R0
SYMATTR InstName M4
SYMATTR Value BSC010NE2LS
SYMBOL ind -96 -32 R270
SYMATTR InstName L2
SYMATTR Value .33
SYMATTR SpiceLine Rser=.32m
SYMBOL res -176 128 R90
SYMATTR InstName R8
SYMATTR Value 931
SYMBOL cap -448 160 R0
SYMATTR InstName C12
SYMATTR Value 220n
SYMBOL schottky -1136 -336 R0
SYMATTR InstName D3
SYMATTR Value CMDSH2-3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -1136 -224 R0
SYMATTR InstName C11
SYMATTR Value .1
SYMBOL nmos -1264 -224 M0
SYMATTR InstName M5
SYMATTR Value BSC050NE2LS
SYMBOL nmos -1264 -32 M0
SYMATTR InstName M6
SYMATTR Value BSC010NE2LS
SYMBOL ind -1344 -32 M270
SYMATTR InstName L3
SYMATTR Value .33
SYMATTR SpiceLine Rser=.32m
SYMBOL res -1200 128 M90
SYMATTR InstName R7
SYMATTR Value 931
SYMBOL cap -992 160 M0
SYMATTR InstName C13
SYMATTR Value 220n
SYMBOL res -880 544 R0
SYMATTR InstName R9
SYMATTR Value 75K
SYMBOL res -352 416 R90
SYMATTR InstName R10
SYMATTR Value 120K
SYMBOL nmos -256 480 M90
SYMATTR InstName M7
SYMATTR Value 2N7002
SYMBOL res 128 -336 R0
SYMATTR InstName R11
SYMATTR Value 30.1K
SYMBOL res 128 -208 R0
SYMATTR InstName R12
SYMATTR Value 10K
SYMBOL res -352 -624 M90
SYMATTR InstName R13
SYMATTR Value 20K
SYMBOL res -240 -624 M90
SYMATTR InstName R14
SYMATTR Value 10K
SYMBOL res 48 -208 R0
SYMATTR InstName R15
SYMATTR Value 1K
SYMBOL PowerProducts\\LTC3874 -720 0 R0
SYMATTR InstName U2
SYMBOL npn 128 288 M0
SYMATTR InstName Q1
SYMATTR Value 2N3904