* SPICE netlist
R1 N005 0 38.3K
C1 N003 0 1n
V1 IN 0 24
L1 N006 OUT 3.3 Rser=9m
R2 OUT N007 1Meg
R3 N007 0 137K
C5 OUT N007 10p
Rload OUT 0 1
C2 OUT 0 100 Rser=6m
R4 N002 N001 100K
C4 N004 N006 0.22
C6 N001 0 1
R5 N012 N011 100K
C7 N011 0 1
C8 N013 0 1n
R6 N015 0 38.3K
L2 N016 OUT 3.3 Rser=9m
C9 N014 N016 0.22
XU1 OUT N001 N004 IN N008 N005 N009 N006 0 N003 N007 N002 NC_01 IN 0 LT8638S ;pnba BIAS)INTVCC)BST)VIN)CLKOUT)RT)VC)SW)GND)SS)FB)PG)SYNC/MODE)EN/UV)PHMODE
XU2 OUT N011 N014 IN NC_02 N015 N009 N016 0 N013 N007 N012 N008 IN NC_03 LT8638S ;pnba BIAS)INTVCC)BST)VIN)CLKOUT)RT)VC)SW)GND)SS)FB)PG)SYNC/MODE)EN/UV)PHMODE
R7 N009 N010 13.7K
C3 N010 0 330p
.tran 0.8m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1520 1424
WIRE -136 -712 -616 -712
WIRE -728 -664 -760 -664
WIRE -680 -664 -728 -664
WIRE -520 -664 -680 -664
WIRE -328 -664 -520 -664
WIRE -328 -648 -328 -664
WIRE -760 -632 -760 -664
WIRE -520 -584 -520 -664
WIRE -472 -584 -520 -584
WIRE -136 -584 -136 -712
WIRE -136 -584 -184 -584
WIRE -120 -584 -136 -584
WIRE -40 -584 -56 -584
WIRE -760 -520 -760 -552
WIRE -616 -504 -616 -712
WIRE -584 -504 -616 -504
WIRE -472 -504 -504 -504
WIRE 536 -504 -184 -504
WIRE -584 -408 -616 -408
WIRE -472 -408 -520 -408
WIRE -136 -408 -184 -408
WIRE -136 -392 -136 -408
WIRE -600 -312 -616 -312
WIRE -472 -312 -520 -312
WIRE -136 -312 -136 -328
WIRE -136 -312 -184 -312
WIRE 232 -312 -136 -312
WIRE 360 -312 312 -312
WIRE 472 -312 360 -312
WIRE 536 -312 536 -504
WIRE 536 -312 472 -312
WIRE 568 -312 536 -312
WIRE 616 -312 568 -312
WIRE 696 -312 616 -312
WIRE 760 -312 696 -312
WIRE 360 -296 360 -312
WIRE 472 -296 472 -312
WIRE 616 -296 616 -312
WIRE 760 -296 760 -312
WIRE 184 -216 -184 -216
WIRE 360 -216 184 -216
WIRE 472 -216 472 -232
WIRE 472 -216 360 -216
WIRE 360 -200 360 -216
WIRE 616 -200 616 -232
WIRE 760 -200 760 -216
WIRE -472 -120 -760 -120
WIRE 8 -120 -184 -120
WIRE 72 -120 8 -120
WIRE 72 -104 72 -120
WIRE 360 -104 360 -120
WIRE -376 -40 -376 -56
WIRE -280 -40 -280 -56
WIRE 72 -8 72 -24
WIRE -136 8 -632 8
WIRE -680 56 -680 -664
WIRE -504 56 -680 56
WIRE -328 56 -504 56
WIRE 72 88 72 56
WIRE -328 104 -328 56
WIRE -504 168 -504 56
WIRE -472 168 -504 168
WIRE -136 168 -136 8
WIRE -136 168 -184 168
WIRE -120 168 -136 168
WIRE -40 168 -56 168
WIRE -632 248 -632 8
WIRE -616 248 -632 248
WIRE -472 248 -536 248
WIRE -152 248 -184 248
WIRE -600 344 -632 344
WIRE -472 344 -536 344
WIRE -136 344 -184 344
WIRE -136 360 -136 344
WIRE -616 440 -632 440
WIRE -472 440 -536 440
WIRE -136 440 -136 424
WIRE -136 440 -184 440
WIRE 232 440 -136 440
WIRE 568 440 568 -312
WIRE 568 440 312 440
WIRE -760 536 -760 -120
WIRE -472 536 -760 536
WIRE 184 536 184 -216
WIRE 184 536 -184 536
WIRE 8 632 8 -120
WIRE 8 632 -184 632
WIRE -376 712 -376 696
FLAG -616 -312 0
FLAG -616 -408 0
FLAG -760 -520 0
FLAG 616 -200 0
FLAG 360 -104 0
FLAG 760 -200 0
FLAG -728 -664 IN
FLAG -376 -40 0
FLAG 72 88 0
FLAG -40 -584 0
FLAG -40 168 0
FLAG -632 344 0
FLAG -632 440 0
FLAG -376 712 0
FLAG -152 248 OUT
FLAG -280 -40 0
FLAG 696 -312 OUT
SYMBOL res -504 -328 R90
SYMATTR InstName R1
SYMATTR Value 38.3K
SYMBOL cap -520 -424 R90
SYMATTR InstName C1
SYMATTR Value 1n
SYMBOL voltage -760 -648 R0
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL ind 216 -296 R270
SYMATTR InstName L1
SYMATTR Value 3.3
SYMATTR SpiceLine Rser=9m
SYMBOL res 344 -312 R0
SYMATTR InstName R2
SYMATTR Value 1Meg
SYMBOL res 344 -216 R0
SYMATTR InstName R3
SYMATTR Value 137K
SYMBOL cap 456 -296 R0
SYMATTR InstName C5
SYMATTR Value 10p
SYMBOL res 744 -312 R0
SYMATTR InstName Rload
SYMATTR Value 1
SYMBOL cap 600 -296 R0
SYMATTR Value 100
SYMATTR SpiceLine Rser=6m
SYMATTR InstName C2
SYMBOL res -488 -520 R90
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL cap -152 -392 R0
SYMATTR Value 0.22
SYMATTR InstName C4
SYMBOL cap -120 -600 M90
SYMATTR InstName C6
SYMATTR Value 1
SYMBOL res -520 232 R90
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL cap -120 152 M90
SYMATTR InstName C7
SYMATTR Value 1
SYMBOL cap -536 328 R90
SYMATTR InstName C8
SYMATTR Value 1n
SYMBOL res -520 424 R90
SYMATTR InstName R6
SYMATTR Value 38.3K
SYMBOL ind 216 456 R270
SYMATTR InstName L2
SYMATTR Value 3.3
SYMATTR SpiceLine Rser=9m
SYMBOL cap -152 360 R0
SYMATTR Value 0.22
SYMATTR InstName C9
SYMBOL LT8638S -328 -344 R0
SYMATTR InstName U1
SYMBOL LT8638S -328 408 R0
SYMATTR InstName U2
SYMBOL res 56 -120 R0
SYMATTR InstName R7
SYMATTR Value 13.7K
SYMBOL cap 56 -8 R0
SYMATTR InstName C3
SYMATTR Value 330p