* SPICE netlist
XU1 N013 N006 N008 N011 0 N003 OUT N001 N004 N002 N012 N014 0 N007 N005 N009 0 N012 0 N007 LTC3717-1 ;pnba Run/SS)Pgood)Vrng)Ith)SGND)Ion)FB)Vref)EXTVcc)Vin)INTVcc)BG)PGND)SW)TG)Boost)Von)DRVcc)Sense-)Sense+
MQ1 N002 N005 N007 N007 Si7866DP
MQ2 N007 N014 0 0 Si7866DP
R1 N002 N003 715K
D1 N012 N009 1N5817
C1 N009 N007 .22
L1 N007 OUT 0.68
C2 OUT 0 180 x2 Rser=.05
R2 N011 N010 2K
C3 N010 0 4700p
C4 N013 0 .001
V1 N002 0 15
V2 N001 0 2.5
R3 N001 N006 100K
D2 N007 N002 1N5817
D3 0 N007 1N5817
.tran 2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1024 752
WIRE -384 -376 -480 -376
WIRE -48 -376 -384 -376
WIRE -480 -360 -480 -376
WIRE -144 -360 -240 -360
WIRE 208 -360 -144 -360
WIRE 336 -360 208 -360
WIRE 432 -360 336 -360
WIRE -384 -344 -384 -376
WIRE -144 -344 -144 -360
WIRE 432 -344 432 -360
WIRE -480 -264 -480 -280
WIRE 208 -264 208 -360
WIRE -240 -248 -240 -360
WIRE -144 -248 -144 -264
WIRE -48 -248 -48 -376
WIRE 336 -248 336 -360
WIRE 432 -248 432 -264
WIRE -320 -184 -352 -184
WIRE 160 -184 32 -184
WIRE -384 -120 -384 -264
WIRE -320 -120 -384 -120
WIRE 64 -120 32 -120
WIRE 208 -120 208 -168
WIRE 208 -120 64 -120
WIRE 336 -120 336 -184
WIRE 336 -120 208 -120
WIRE -320 -56 -352 -56
WIRE 64 -56 32 -56
WIRE 208 -24 208 -120
WIRE 272 -24 208 -24
WIRE 448 -24 352 -24
WIRE 512 -24 448 -24
WIRE -496 8 -512 8
WIRE -416 8 -432 8
WIRE -320 8 -336 8
WIRE 64 8 32 8
WIRE 512 8 512 -24
WIRE 64 72 64 8
WIRE 64 72 32 72
WIRE 512 88 512 72
WIRE 208 104 208 -24
WIRE 208 104 128 104
WIRE 336 104 208 104
WIRE 208 120 208 104
WIRE -400 136 -416 136
WIRE -320 136 -336 136
WIRE 128 136 128 104
WIRE 128 136 32 136
WIRE 336 136 336 104
WIRE -320 200 -336 200
WIRE 160 200 32 200
WIRE -320 264 -368 264
WIRE 208 264 208 216
WIRE 208 264 32 264
WIRE 336 264 336 200
WIRE 336 264 208 264
WIRE 208 280 208 264
WIRE -224 344 -224 328
WIRE -64 344 -64 328
WIRE -368 376 -368 264
WIRE 448 376 448 -24
WIRE 448 376 -368 376
FLAG 208 280 0
FLAG -64 344 0
FLAG -224 344 0
FLAG 512 88 0
FLAG -416 136 0
FLAG 432 -248 0
FLAG -480 -264 0
FLAG -336 200 0
FLAG -512 8 0
FLAG 512 -24 OUT
SYMBOL PowerProducts\\LTC3717-1 -144 40 R0
SYMATTR InstName U1
SYMBOL nmos 160 -264 R0
SYMATTR InstName Q1
SYMATTR Value Si7866DP
SYMBOL nmos 160 120 R0
SYMATTR InstName Q2
SYMATTR Value Si7866DP
SYMBOL res -160 -360 R0
SYMATTR InstName R1
SYMATTR Value 715K
SYMBOL schottky 48 8 M180
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 48 -56 M180
SYMATTR InstName C1
SYMATTR Value .22
SYMBOL ind 256 -8 R270
SYMATTR InstName L1
SYMATTR Value 0.68
SYMBOL cap 496 8 R0
SYMATTR Value2 x2
SYMATTR Value 180
SYMATTR SpiceLine Rser=.05
SYMATTR InstName C2
SYMBOL res -320 -8 R90
SYMATTR InstName R2
SYMATTR Value 2K
SYMBOL cap -432 -8 R90
SYMATTR InstName C3
SYMATTR Value 4700p
SYMBOL cap -336 120 R90
SYMATTR InstName C4
SYMATTR Value .001
SYMBOL voltage 432 -360 R0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -480 -376 R0
SYMATTR InstName V2
SYMATTR Value 2.5
SYMBOL res -400 -360 R0
SYMATTR InstName R3
SYMATTR Value 100K
SYMBOL schottky 320 -184 M180
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 320 200 M180
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode