* SPICE netlist
MQ1 IN N002 N004 N004 STD30NF06L
L1 N004 OUT .68 Rser=1.5m
C1 OUT 0 660
R1 OUT N008 154K
R2 N008 0 48.7K
C2 N003 N004 .1
C3 N001 0 4.7
C4 N009 0 2200p Rser=15K Cpar=330p
C5 N005 0 .002
V1 IN 0 12
D1 N001 N003 CMDSH2-3
MQ2 N004 N006 0 0 STD30NF06L
C6 OUT N008 47p
R3 N004 N010 3.01K
C7 N010 OUT .047 Rpar=30.1K
C8 N007 0 .1 Rpar=82.5K
Rload OUT 0 .22
XU1 NC_01 N007 NC_02 N005 N009 N008 OUT N010 NC_03 0 N006 N001 IN N003 N002 N004 LTC3851A ;pnba Mode/PLLIN)Freq/PLLFLTR)Run)TK/SS)Ith)Vfb)Sense-)Sense+)Ilim)GND)BG)IntVcc)Vin)Boost)TG)SW
.tran 2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1440 752
WIRE -32 -376 -592 -376
WIRE -592 -296 -592 -376
WIRE -512 -296 -592 -296
WIRE 80 -296 -64 -296
WIRE 288 -296 80 -296
WIRE -592 -280 -592 -296
WIRE 80 -280 80 -296
WIRE 288 -280 288 -296
WIRE -592 -200 -592 -216
WIRE 32 -200 -64 -200
WIRE 288 -184 288 -200
WIRE -32 -104 -32 -312
WIRE -32 -104 -64 -104
WIRE 0 -104 -32 -104
WIRE 80 -104 80 -184
WIRE 80 -104 64 -104
WIRE 80 -8 80 -104
WIRE 80 -8 -64 -8
WIRE 288 -8 80 -8
WIRE 304 -8 288 -8
WIRE 400 -8 384 -8
WIRE 432 -8 400 -8
WIRE 528 -8 432 -8
WIRE 624 -8 528 -8
WIRE 720 -8 624 -8
WIRE 80 8 80 -8
WIRE 624 8 624 -8
WIRE 720 8 720 -8
WIRE 432 56 432 -8
WIRE 528 56 528 -8
WIRE -672 88 -720 88
WIRE -512 88 -608 88
WIRE 32 88 -64 88
WIRE 624 104 624 72
WIRE 720 104 720 88
WIRE 80 120 80 104
WIRE -624 184 -720 184
WIRE -512 184 -560 184
WIRE 432 184 432 136
WIRE 432 184 -64 184
WIRE 528 184 528 120
WIRE 528 184 432 184
WIRE 432 200 432 184
WIRE -704 280 -720 280
WIRE -512 280 -640 280
WIRE -16 280 -64 280
WIRE 128 280 -16 280
WIRE 288 280 288 -8
WIRE 288 280 208 280
WIRE -16 296 -16 280
WIRE 432 296 432 280
WIRE -512 376 -544 376
WIRE -16 376 -16 360
WIRE -16 376 -64 376
WIRE 400 376 400 -8
WIRE 400 376 -16 376
FLAG -544 376 0
FLAG 80 120 0
FLAG 624 104 0
FLAG 720 104 0
FLAG 432 296 0
FLAG 720 -8 OUT
FLAG -592 -200 0
FLAG -720 280 0
FLAG -720 88 0
FLAG 288 -184 0
FLAG 288 -296 IN
FLAG -720 184 0
SYMBOL nmos 32 -280 R0
SYMATTR InstName Q1
SYMATTR Value STD30NF06L
SYMBOL ind 288 8 R270
SYMATTR InstName L1
SYMATTR Value .68
SYMATTR SpiceLine Rser=1.5m
SYMBOL cap 608 8 R0
SYMATTR InstName C1
SYMATTR Value 660
SYMBOL res 416 40 R0
SYMATTR InstName R1
SYMATTR Value 154K
SYMBOL res 416 184 R0
SYMATTR InstName R2
SYMATTR Value 48.7K
SYMBOL cap 0 -88 R270
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL cap -608 -280 R0
SYMATTR InstName C3
SYMATTR Value 4.7
SYMBOL cap -640 264 R90
SYMATTR InstName C4
SYMATTR Value 2200p
SYMATTR SpiceLine Rser=15K Cpar=330p
SYMBOL cap -608 72 R90
SYMATTR InstName C5
SYMATTR Value .002
SYMBOL voltage 288 -296 R0
SYMATTR Value 12
SYMATTR InstName V1
SYMBOL schottky -48 -376 R0
SYMATTR Value CMDSH2-3
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL nmos 32 8 R0
SYMATTR InstName Q2
SYMATTR Value STD30NF06L
SYMBOL cap 512 56 R0
SYMATTR InstName C6
SYMATTR Value 47p
SYMBOL res 224 264 R90
SYMATTR InstName R3
SYMATTR Value 3.01K
SYMBOL cap -32 296 R0
SYMATTR Value .047
SYMATTR SpiceLine Rpar=30.1K
SYMATTR InstName C7
SYMBOL cap -560 168 R90
SYMATTR InstName C8
SYMATTR Value .1
SYMATTR SpiceLine Rpar=82.5K
SYMBOL res 704 -8 R0
SYMATTR InstName Rload
SYMATTR Value .22
SYMBOL PowerProducts\\LTC3851A -288 40 R0
SYMATTR InstName U1