* SPICE netlist
XU1 N004 N007 N014 N010 N011 N013 0 0 N009 0 N008 N001 0 N012 N006 N005 LTC3726 ;pnba SG)FG)Mode)FB)Ith)Run/SS)SLP)GND)FS/Sync)Is-)Is+)SW)PGND)PT-)PT+)Vcc
R1 N014 0 100K
C1 N013 0 .0025
C2 N011 0 330p Rser=24K
L1 IN N002 490 Rpar=10K
L2 N001 N003 40 Rpar=2K
MQ1 N002 N006 N008 N008 Si4484EY
R2 N008 0 20m
V1 IN 0 36
V2 N005 0 7.5
L3 N001 OUT 1.5 Rpar=2K
C3 OUT 0 330
R6 N009 0 100K
R7 OUT N010 110K
R8 N010 0 24.9K
MQ5 N003 N007 0 0 Si4490DY
MQ6 N001 N004 0 0 Si4490DY
Rload OUT 0 1
K1 L1 L2 1
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1184 720
WIRE -464 -360 -592 -360
WIRE -128 -360 -320 -360
WIRE 64 -360 -128 -360
WIRE 224 -360 64 -360
WIRE 432 -360 304 -360
WIRE 496 -360 432 -360
WIRE 592 -360 496 -360
WIRE -592 -344 -592 -360
WIRE -464 -344 -464 -360
WIRE -416 -344 -464 -344
WIRE -320 -344 -320 -360
WIRE -320 -344 -368 -344
WIRE 64 -344 64 -360
WIRE 496 -344 496 -360
WIRE 592 -344 592 -360
WIRE -416 -264 -464 -264
WIRE -320 -264 -368 -264
WIRE 16 -264 0 -264
WIRE -592 -248 -592 -264
WIRE -464 -248 -464 -264
WIRE -320 -248 -320 -264
WIRE 496 -248 496 -280
WIRE 592 -248 592 -264
WIRE 64 -232 64 -248
WIRE 272 -216 128 -216
WIRE 272 -200 272 -216
WIRE -512 -168 -544 -168
WIRE -256 -168 -272 -168
WIRE -464 -136 -464 -152
WIRE -464 -136 -512 -136
WIRE -320 -136 -320 -152
WIRE -464 -120 -464 -136
WIRE -256 -104 -256 -168
WIRE -128 -104 -128 -360
WIRE 0 -104 0 -264
WIRE 128 -104 128 -216
WIRE 272 -104 272 -120
WIRE 432 -88 432 -360
WIRE -464 -24 -464 -40
WIRE -336 -24 -368 -24
WIRE 240 -24 208 -24
WIRE 352 -24 320 -24
WIRE -512 40 -512 -136
WIRE -336 40 -512 40
WIRE 432 40 432 -8
WIRE 432 40 208 40
WIRE 432 56 432 40
WIRE -544 104 -544 -168
WIRE -336 104 -544 104
WIRE 320 104 208 104
WIRE 320 120 320 104
WIRE 432 152 432 136
WIRE -336 168 -352 168
WIRE 240 168 208 168
WIRE 240 184 240 168
WIRE 320 216 320 184
WIRE -256 264 -256 248
WIRE -128 264 -128 248
WIRE 0 264 0 248
WIRE 128 264 128 248
WIRE 240 264 240 248
WIRE 128 360 128 344
FLAG -128 264 0
FLAG -256 264 0
FLAG 0 264 0
FLAG 128 360 0
FLAG 240 264 0
FLAG 320 216 0
FLAG -464 -24 0
FLAG -368 -24 0
FLAG -592 -248 0
FLAG -320 -136 0
FLAG 64 -232 0
FLAG 496 -248 0
FLAG 592 -248 0
FLAG 352 -24 0
FLAG 432 152 0
FLAG 272 -104 0
FLAG 592 -360 OUT
FLAG -592 -360 IN
SYMBOL PowerProducts\\LTC3726 -64 72 R0
SYMATTR InstName U1
SYMBOL res 112 248 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL cap 224 184 R0
SYMATTR InstName C1
SYMATTR Value .0025
SYMBOL cap 304 120 R0
SYMATTR Value 330p
SYMATTR SpiceLine Rser=24K
SYMATTR InstName C2
SYMBOL ind2 -432 -360 R0
SYMATTR InstName L1
SYMATTR Value 490
SYMATTR Type ind
SYMATTR SpiceLine Rpar=10K
SYMBOL ind2 -352 -360 M0
SYMATTR InstName L2
SYMATTR Value 40
SYMATTR Type ind
SYMATTR SpiceLine Rpar=2K
SYMBOL nmos -512 -248 R0
SYMATTR InstName Q1
SYMATTR Value Si4484EY
SYMBOL res -480 -136 R0
SYMATTR InstName R2
SYMATTR Value 20m
SYMBOL voltage -592 -360 R0
SYMATTR InstName V1
SYMATTR Value 36
SYMBOL voltage 272 -216 R0
SYMATTR Value 7.5
SYMATTR InstName V2
SYMBOL ind 208 -344 R270
SYMATTR InstName L3
SYMATTR Value 1.5
SYMATTR SpiceLine Rpar=2K
SYMBOL cap 480 -344 R0
SYMATTR InstName C3
SYMATTR Value 330
SYMBOL res 224 -8 R270
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL res 416 -104 R0
SYMATTR InstName R7
SYMATTR Value 110K
SYMBOL res 416 40 R0
SYMATTR InstName R8
SYMATTR Value 24.9K
SYMBOL nmos -272 -248 M0
SYMATTR InstName Q5
SYMATTR Value Si4490DY
SYMBOL nmos 16 -344 R0
SYMATTR InstName Q6
SYMATTR Value Si4490DY
SYMBOL res 576 -360 R0
SYMATTR InstName Rload
SYMATTR Value 1