* SPICE netlist
XU1 MP_01 N011 N005 N009 NC_02 NC_03 NC_04 N006 N007 0 NC_05 0 MP_06 MP_07 N004 N003 N002 N001 IN MP_08 OUT1 N008 MP_09 OUT1 N012 N010 NC_10 IN LT3640 ;pnba )SS1)FB1)Rt)_RST2)_RST1)_WDO)CWDT)CPOR)_WDE)WDI)GND)))DA)SW1)SW)BST)Vin))Vin2)SW2))EN2)SS2)FB2)_PGOOD)EN/UVLO
C1 N011 0 .001
V1 IN 0 24
R1 N009 0 32.4K
C3 N007 0 15p
C4 N006 0 15p
D1 N004 N003 1N5371B
L1 N003 OUT1 3.3 Rser=5m
R2 OUT1 N005 80.6K
R3 N005 0 49.9K
C5 OUT1 0 22 Rser=5m
Rload1 OUT1 0 4
C6 N001 N002 .22
D2 OUT1 N001 CMDSH2-3
L2 N008 OUT2 3.3 Rser=5m
R4 OUT2 N010 100K
R5 N010 0 49.9K
C7 OUT2 0 22 Rser=5m
Rload2 OUT2 0 2.25
C2 N012 0 .001
.tran 1.2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 992 1008
WIRE -208 -504 -496 -504
WIRE -80 -504 -208 -504
WIRE -496 -488 -496 -504
WIRE -208 -488 -208 -504
WIRE -80 -488 -80 -504
WIRE 96 -424 48 -424
WIRE 176 -424 96 -424
WIRE 288 -424 240 -424
WIRE 96 -408 96 -424
WIRE -496 -392 -496 -408
WIRE -336 -328 -368 -328
WIRE 96 -328 96 -344
WIRE 96 -328 48 -328
WIRE 96 -232 48 -232
WIRE 160 -232 96 -232
WIRE 288 -232 288 -424
WIRE 288 -232 240 -232
WIRE 400 -232 288 -232
WIRE 496 -232 400 -232
WIRE 96 -216 96 -232
WIRE 400 -216 400 -232
WIRE 496 -216 496 -232
WIRE 288 -168 288 -232
WIRE 288 -168 240 -168
WIRE 288 -152 288 -168
WIRE 96 -136 96 -152
WIRE 96 -136 48 -136
WIRE 400 -120 400 -152
WIRE 496 -120 496 -136
WIRE 288 -40 288 -72
WIRE 288 -40 48 -40
WIRE 288 -24 288 -40
WIRE 80 56 48 56
WIRE 240 56 240 -168
WIRE 240 56 80 56
WIRE 288 72 288 56
WIRE -432 152 -448 152
WIRE -336 152 -368 152
WIRE 80 152 80 56
WIRE 80 152 48 152
WIRE -432 248 -448 248
WIRE -336 248 -368 248
WIRE 96 248 48 248
WIRE 224 248 176 248
WIRE 352 248 224 248
WIRE 448 248 352 248
WIRE 352 264 352 248
WIRE 448 264 448 248
WIRE -432 344 -448 344
WIRE -336 344 -352 344
WIRE 224 344 224 328
WIRE 224 344 48 344
WIRE 224 360 224 344
WIRE 352 360 352 328
WIRE 448 360 448 344
WIRE -240 424 -240 408
WIRE -48 424 -48 408
WIRE -144 440 -144 408
WIRE 224 456 224 440
WIRE -240 504 -240 488
WIRE -48 504 -48 488
FLAG -144 440 0
FLAG -240 504 0
FLAG -48 504 0
FLAG -496 -392 0
FLAG -368 -328 0
FLAG -448 344 0
FLAG -448 248 0
FLAG -448 152 0
FLAG 288 72 0
FLAG 400 -120 0
FLAG 496 -120 0
FLAG 496 -232 OUT1
FLAG 224 456 0
FLAG 352 360 0
FLAG 448 360 0
FLAG 448 248 OUT2
FLAG -496 -504 IN
SYMBOL PowerProducts\\LT3640 -144 -40 R0
SYMATTR InstName U1
SYMBOL cap -256 424 R0
SYMATTR InstName C1
SYMATTR Value .001
SYMBOL voltage -496 -504 R0
SYMATTR InstName V1
SYMATTR Value 24
SYMBOL res -336 328 R90
SYMATTR InstName R1
SYMATTR Value 32.4K
SYMBOL cap -368 232 R90
SYMATTR InstName C3
SYMATTR Value 15p
SYMBOL cap -368 136 R90
SYMATTR InstName C4
SYMATTR Value 15p
SYMBOL zener 80 -152 M180
SYMATTR InstName D1
SYMATTR Value 1N5371B
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind 144 -216 R270
SYMATTR InstName L1
SYMATTR Value 3.3
SYMATTR SpiceLine Rser=5m
SYMBOL res 272 -168 R0
SYMATTR InstName R2
SYMATTR Value 80.6K
SYMBOL res 272 -40 R0
SYMATTR InstName R3
SYMATTR Value 49.9K
SYMBOL cap 384 -216 R0
SYMATTR InstName C5
SYMATTR Value 22
SYMATTR SpiceLine Rser=5m
SYMBOL res 480 -232 R0
SYMATTR InstName Rload1
SYMATTR Value 4
SYMBOL cap 80 -408 R0
SYMATTR InstName C6
SYMATTR Value .22
SYMBOL schottky 240 -440 R90
SYMATTR InstName D2
SYMATTR Value CMDSH2-3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind 80 264 R270
SYMATTR InstName L2
SYMATTR Value 3.3
SYMATTR SpiceLine Rser=5m
SYMBOL res 208 232 R0
SYMATTR InstName R4
SYMATTR Value 100K
SYMBOL res 208 344 R0
SYMATTR InstName R5
SYMATTR Value 49.9K
SYMBOL cap 336 264 R0
SYMATTR InstName C7
SYMATTR Value 22
SYMATTR SpiceLine Rser=5m
SYMBOL res 432 248 R0
SYMATTR InstName Rload2
SYMATTR Value 2.25
SYMBOL cap -64 424 R0
SYMATTR InstName C2
SYMATTR Value .001