* SPICE netlist
V1 N002 0 12
L1 N002 N005 33 Rpar=25K
L2 N002 N003 10
C2 N003 N004 1
D1 N004 AVDD 1N5818
L3 N004 0 10
R1 AVDD N008 88.7K
C3 AVDD 0 10
R2 N008 0 10K
R3 AVDD 0 24
C4 N010 0 150p
C5 N011 0 150p
C6 N013 0 150p
C7 N001 N007 .47
D2 N001 0 MBR0520L
D3 OFF N001 MBR0520L
R4 N006 N009 10K
R5 OFF N006 44.2K
C8 N006 N009 10p
C9 OFF 0 2.2
R6 OFF 0 100
L4 Vlogic N007 10
D4 Vlogic N014 CMDSH2-3
C10 N014 N015 .22
L5 N015 Vlogic 4.7
D5 0 N015 B520C
R7 N017 0 10K
R8 Vlogic N017 16.2K
C11 Vlogic 0 22
R9 Vlogic 0 2
C12 N019 0 2200p Rser=18K Cpar=100p
C13 N021 0 2200p Rser=6.8K Cpar=100p
C14 N020 0 680p Rser=27K Cpar=100p
C15 N022 0 3000p Rser=5K Cpar=100p
R10 ON 0 1K
C16 ON 0 .47
R11 N016 N018 274K
R12 N018 0 10K
C17 N016 0 2.2
XU1 0 N019 N021 N017 N008 N018 N006 N009 N020 N022 0 N014 N015 MP_01 N002 MP_02 N011 N010 N007 MP_03 N005 Vlogic N012 N016 N013 ON N003 LT1943 ;pnba GND)Vc1)Vc2)FB1)FB2)FB3)NFB4)FB4)Vc3)Vc4)SGND)BOOST)SW1))Vin))SS-234)RUN-SS)SW4))SW3)BIAS)_PGOOD)E3)CT)Von)SW2
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1456 896
WIRE -616 -448 -696 -448
WIRE -520 -448 -616 -448
WIRE -488 -448 -520 -448
WIRE -392 -448 -424 -448
WIRE -248 -448 -392 -448
WIRE -24 -448 -152 -448
WIRE 104 -448 -24 -448
WIRE 168 -448 104 -448
WIRE 280 -448 248 -448
WIRE 312 -448 280 -448
WIRE 392 -448 376 -448
WIRE 424 -448 392 -448
WIRE 520 -448 488 -448
WIRE 600 -448 520 -448
WIRE 696 -448 600 -448
WIRE -696 -432 -696 -448
WIRE -152 -432 -152 -448
WIRE -616 -416 -616 -448
WIRE 104 -416 104 -448
WIRE 600 -416 600 -448
WIRE 696 -416 696 -448
WIRE -392 -400 -392 -448
WIRE 392 -400 392 -448
WIRE -520 -368 -520 -448
WIRE -248 -352 -248 -448
WIRE -696 -336 -696 -352
WIRE -616 -336 -616 -352
WIRE -152 -336 -152 -352
WIRE 600 -320 600 -352
WIRE 696 -320 696 -336
WIRE -392 -304 -392 -336
WIRE -24 -304 -24 -448
WIRE 104 -304 104 -336
WIRE 520 -304 520 -448
WIRE 392 -288 392 -320
WIRE -520 -240 -520 -288
WIRE -440 -240 -520 -240
WIRE -392 -240 -440 -240
WIRE -344 -240 -360 -240
WIRE -248 -240 -248 -288
WIRE -248 -240 -264 -240
WIRE -136 -240 -248 -240
WIRE 280 -240 280 -448
WIRE 280 -240 216 -240
WIRE -520 -208 -520 -240
WIRE -440 -208 -440 -240
WIRE -392 -176 -392 -240
WIRE -136 -176 -392 -176
WIRE 520 -176 520 -224
WIRE 520 -176 216 -176
WIRE 520 -160 520 -176
WIRE -520 -112 -520 -128
WIRE -440 -112 -440 -144
WIRE -440 -112 -520 -112
WIRE -136 -112 -440 -112
WIRE 232 -112 216 -112
WIRE 360 -112 296 -112
WIRE 520 -64 520 -80
WIRE -360 -48 -360 -240
WIRE -360 -48 -536 -48
WIRE -136 -48 -360 -48
WIRE 280 -48 216 -48
WIRE 360 -48 344 -48
WIRE -360 -32 -360 -48
WIRE -136 16 -152 16
WIRE 232 16 216 16
WIRE 360 16 296 16
WIRE -360 80 -360 32
WIRE -136 80 -360 80
WIRE 632 80 216 80
WIRE 728 80 632 80
WIRE 728 96 728 80
WIRE 632 112 632 80
WIRE -632 144 -712 144
WIRE -536 144 -536 -48
WIRE -536 144 -632 144
WIRE -488 144 -536 144
WIRE -360 144 -408 144
WIRE -136 144 -360 144
WIRE 456 144 216 144
WIRE 536 144 456 144
WIRE -712 160 -712 144
WIRE -360 160 -360 144
WIRE -632 176 -632 144
WIRE 456 176 456 144
WIRE 536 176 536 144
WIRE -536 192 -536 144
WIRE -136 208 -328 208
WIRE 408 208 216 208
WIRE 632 208 632 176
WIRE 728 208 728 176
WIRE -360 240 -360 224
WIRE -712 256 -712 240
WIRE -632 256 -632 240
WIRE 456 256 456 240
WIRE -248 272 -280 272
WIRE -136 272 -184 272
WIRE 264 272 216 272
WIRE 360 272 328 272
WIRE -536 288 -536 272
WIRE -328 288 -328 208
WIRE -328 288 -536 288
WIRE 408 288 408 208
WIRE 536 288 536 256
WIRE 536 288 408 288
WIRE 536 304 536 288
WIRE -536 320 -536 288
WIRE -136 336 -312 336
WIRE 280 336 216 336
WIRE -312 352 -312 336
WIRE 280 352 280 336
WIRE 536 400 536 384
WIRE -536 416 -536 400
WIRE -24 432 -24 400
WIRE 104 432 104 400
WIRE -312 448 -312 416
WIRE 280 448 280 416
FLAG -152 -336 0
FLAG 392 -288 0
FLAG 600 -320 0
FLAG 520 -64 0
FLAG 696 -320 0
FLAG 696 -448 AVDD
FLAG 360 16 0
FLAG 360 -48 0
FLAG 360 -112 0
FLAG -392 -304 0
FLAG -616 -336 0
FLAG -696 -336 0
FLAG -696 -448 OFF
FLAG -360 240 0
FLAG -536 416 0
FLAG -632 256 0
FLAG -712 256 0
FLAG -712 144 Vlogic
FLAG -24 432 0
FLAG 104 432 0
FLAG -280 272 0
FLAG -312 448 0
FLAG 360 272 0
FLAG 280 448 0
FLAG 728 208 0
FLAG 632 208 0
FLAG 536 400 0
FLAG 456 256 0
FLAG 728 80 ON
SYMBOL voltage -152 -448 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL ind 88 -432 R0
SYMATTR InstName L1
SYMATTR Value 33
SYMATTR SpiceLine Rpar=25K
SYMBOL ind 152 -432 R270
SYMATTR InstName L2
SYMATTR Value 10
SYMBOL cap 312 -432 R270
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL schottky 424 -432 R270
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind 376 -416 R0
SYMATTR InstName L3
SYMATTR Value 10
SYMBOL res 504 -320 R0
SYMATTR InstName R1
SYMATTR Value 88.7K
SYMBOL cap 584 -416 R0
SYMATTR InstName C3
SYMATTR Value 10
SYMBOL res 504 -176 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 680 -432 R0
SYMATTR InstName R3
SYMATTR Value 24
SYMBOL cap 232 -96 R270
SYMATTR InstName C4
SYMATTR Value 150p
SYMBOL cap 280 -32 R270
SYMATTR InstName C5
SYMATTR Value 150p
SYMBOL cap 232 32 R270
SYMATTR InstName C6
SYMATTR Value 150p
SYMBOL cap -264 -352 R0
SYMATTR InstName C7
SYMATTR Value .47
SYMBOL schottky -408 -400 R0
SYMATTR InstName D2
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -488 -432 R270
SYMATTR InstName D3
SYMATTR Value MBR0520L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -536 -224 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL res -536 -384 R0
SYMATTR InstName R5
SYMATTR Value 44.2K
SYMBOL cap -456 -208 R0
SYMATTR InstName C8
SYMATTR Value 10p
SYMBOL cap -632 -416 R0
SYMATTR InstName C9
SYMATTR Value 2.2
SYMBOL res -712 -448 R0
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL ind -360 -224 R270
SYMATTR InstName L4
SYMATTR Value 10
SYMBOL schottky -376 -32 R0
SYMATTR InstName D4
SYMATTR Value CMDSH2-3
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -376 80 R0
SYMATTR InstName C10
SYMATTR Value .22
SYMBOL ind -392 160 M270
SYMATTR InstName L5
SYMATTR Value 4.7
SYMBOL schottky -344 224 R180
SYMATTR InstName D5
SYMATTR Value B520C
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -552 304 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL res -552 176 R0
SYMATTR InstName R8
SYMATTR Value 16.2K
SYMBOL cap -648 176 R0
SYMATTR Value 22
SYMATTR InstName C11
SYMBOL res -728 144 R0
SYMATTR InstName R9
SYMATTR Value 2
SYMBOL cap -184 256 R90
SYMATTR InstName C12
SYMATTR Value 2200p
SYMATTR SpiceLine Rser=18K Cpar=100p
SYMBOL cap -328 352 R0
SYMATTR InstName C13
SYMATTR Value 2200p
SYMATTR SpiceLine Rser=6.8K Cpar=100p
SYMBOL cap 264 256 M90
SYMATTR InstName C14
SYMATTR Value 680p
SYMATTR SpiceLine Rser=27K Cpar=100p
SYMBOL cap 296 352 M0
SYMATTR InstName C15
SYMATTR Value 3000p
SYMATTR SpiceLine Rser=5K Cpar=100p
SYMBOL res 712 80 R0
SYMATTR InstName R10
SYMATTR Value 1K
SYMBOL cap 616 112 R0
SYMATTR InstName C16
SYMATTR Value .47
SYMBOL res 520 160 R0
SYMATTR InstName R11
SYMATTR Value 274K
SYMBOL res 520 288 R0
SYMATTR InstName R12
SYMATTR Value 10K
SYMBOL cap 440 176 R0
SYMATTR Value 2.2
SYMATTR InstName C17
SYMBOL PowerProducts\\LT1943 40 48 R0
SYMATTR InstName U1