* SPICE netlist
L1 N008 OUT 1.3
V1 N001 0 5
MQ1 N008 N009 0 0 Si4410DY m=2
C1 N011 0 150p
C2 N012 0 4700p
R1 N011 N012 15K
R2 N001 N004 1.2K
MQ2 N001 N006 N008 N008 Si4410DY m=2
R3 N008 N007 20
C3 OUT 0 2700 x5 Rser=.05
C4 N013 0 .02
R4 N001 N003 5.6K
R5 N001 N005 5.6K
V2 N002 0 12
C9 OUT 0 .1
XU1 N009 N002 0 0 N001 OUT N004 N007 N013 N011 N010 N005 N003 0 0 0 0 0 N001 N006 LTC1753 ;pnba G2)PVcc)PGND)SGND)Vcc)Sense)Imax)Ifb)SS)Comp)FB)_FAULT)PWRGD)VID4)VID3)VID2)VID1)VID0)OUTEN)G1
Rload OUT 0 1
.tran 3.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1232 784
WIRE -568 -392 -616 -392
WIRE -456 -392 -568 -392
WIRE -280 -392 -456 -392
WIRE 152 -392 -280 -392
WIRE 248 -392 152 -392
WIRE 328 -392 248 -392
WIRE 24 -376 -120 -376
WIRE 328 -376 328 -392
WIRE -568 -360 -568 -392
WIRE -456 -360 -456 -392
WIRE 24 -360 24 -376
WIRE -280 -280 -280 -392
WIRE -120 -280 -120 -376
WIRE 328 -280 328 -296
WIRE 24 -264 24 -280
WIRE -456 -216 -456 -280
WIRE -392 -216 -456 -216
WIRE 40 -200 -8 -200
WIRE 152 -200 152 -392
WIRE 152 -200 120 -200
WIRE 248 -200 248 -392
WIRE -568 -152 -568 -280
WIRE -392 -152 -568 -152
WIRE 200 -120 -8 -120
WIRE -392 -88 -424 -88
WIRE 56 -40 -8 -40
WIRE 248 -40 248 -104
WIRE 248 -40 136 -40
WIRE 296 -40 248 -40
WIRE 424 -40 376 -40
WIRE 472 -40 424 -40
WIRE 616 -40 472 -40
WIRE -424 -24 -424 -88
WIRE -392 -24 -424 -24
WIRE 472 -24 472 -40
WIRE 616 -24 616 -40
WIRE -424 40 -424 -24
WIRE -424 40 -440 40
WIRE -392 40 -424 40
WIRE 200 40 -8 40
WIRE 248 72 248 56
WIRE 472 72 472 40
WIRE 616 72 616 56
WIRE -424 104 -424 40
WIRE -392 104 -424 104
WIRE 8 120 -8 120
WIRE -424 168 -424 104
WIRE -392 168 -424 168
WIRE 328 200 -8 200
WIRE 424 200 424 -40
WIRE 424 200 328 200
WIRE 328 216 328 200
WIRE -616 232 -616 -392
WIRE -392 232 -616 232
WIRE 40 280 -8 280
WIRE 88 280 40 280
WIRE 200 280 168 280
WIRE -488 296 -504 296
WIRE -392 296 -424 296
WIRE 328 296 328 280
WIRE 40 312 40 280
WIRE 200 312 200 280
WIRE -280 376 -280 360
WIRE -120 376 -120 360
WIRE 40 392 40 376
WIRE 200 392 200 376
FLAG 472 72 0
FLAG 616 72 0
FLAG 616 -40 OUT
FLAG 248 72 0
FLAG 200 392 0
FLAG 40 392 0
FLAG -504 296 0
FLAG -280 376 0
FLAG -120 376 0
FLAG 328 -280 0
FLAG -440 40 0
FLAG 24 -264 0
FLAG 328 296 0
SYMBOL ind 280 -24 R270
SYMATTR InstName L1
SYMATTR Value 1.3
SYMBOL VOLTAGE 328 -392 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL NMOS 200 -40 R0
SYMATTR Value2 m=2
SYMATTR Value Si4410DY
SYMATTR InstName Q1
SYMBOL cap 24 312 R0
SYMATTR InstName C1
SYMATTR Value 150p
SYMBOL cap 184 312 R0
SYMATTR InstName C2
SYMATTR Value 4700p
SYMBOL res 72 296 R270
SYMATTR InstName R1
SYMATTR Value 15K
SYMBOL res 136 -216 R90
SYMATTR InstName R2
SYMATTR Value 1.2K
SYMBOL NMOS 200 -200 R0
SYMATTR Value2 m=2
SYMATTR InstName Q2
SYMATTR Value Si4410DY
SYMBOL res 152 -56 R90
SYMATTR InstName R3
SYMATTR Value 20
SYMBOL polcap 456 -24 R0
SYMATTR Value2 x5
SYMATTR Value 2700
SYMATTR SpiceLine Rser=.05
SYMATTR InstName C3
SYMBOL cap -424 280 R90
SYMATTR InstName C4
SYMATTR Value .02
SYMBOL res -472 -376 R0
SYMATTR InstName R4
SYMATTR Value 5.6K
SYMBOL res -584 -376 R0
SYMATTR InstName R5
SYMATTR Value 5.6K
SYMBOL VOLTAGE 24 -376 R0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL cap 312 216 R0
SYMATTR InstName C9
SYMATTR Value .1
SYMBOL PowerProducts\\LTC1753 -200 40 R0
SYMATTR InstName U1
SYMBOL res 600 -40 R0
SYMATTR InstName Rload
SYMATTR Value 1