* SPICE netlist
C1 N017 0 47n
C2 N020 0 27n
V1 IN 0 12
R1 N004 N005 1m
C3 N009 N004 .1
MQ1 IN N002 N004 N004 BSC100N06LS3
MQ2 N004 N007 0 0 BSC100N06LS3
L1 N005 N006 3 Rser=3m
R2 N001 OUT 5m
MQ3 N001 N003 N006 N006 BSC050NE2LS
MQ4 N006 N008 0 0 BSC050NE2LS
C4 N006 N010 .1
R3 N019 0 226k
R4 OUT N016 110K
C5 N012 0 4.7
C6 N015 0 .47
R5 N016 0 10K
R6 _PGOOD N012 100K
R7 N011 0 100k
R8 IN N011 130k
C7 OUT 0 470 Rser=15m
R9 N018 N020 12K
C8 IN 0 120 x4
Rload OUT 0 1.5
C9 N001 0 470 Rser=15m
R10 N017 N015 100K
XU1 N007 N009 N004 N002 N004 N005 IN N012 N011 0 N015 N015 N015 N013 N014 NC_01 _PGOOD N017 N016 N018 N019 0 N001 N001 N003 N006 N010 N008 0 LT8392 ;pnba BG1)BST1)SW1)TG1)LSP)LSN)Vin)INTVcc)EN/UVLO)TEST)TRIM)Vref)CTRL)ISP)ISN)ISMON)_PGood)SS)FB)Vc)RT)Sync/SPRD)EXTVCC)Vout)TG2)SW2)BST2)BG2)GND
C10 N013 N014 1 Rser=15m
R11 N013 N001 100
R12 N014 OUT 100
C11 N001 0 1
.tran 12m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2272 1536
WIRE -1024 -768 -1136 -768
WIRE -928 -768 -1024 -768
WIRE -640 -768 -928 -768
WIRE 688 -768 400 -768
WIRE 784 -768 688 -768
WIRE 864 -768 784 -768
WIRE 880 -768 864 -768
WIRE 976 -768 960 -768
WIRE 1024 -768 976 -768
WIRE 1136 -768 1024 -768
WIRE -1136 -752 -1136 -768
WIRE -1024 -752 -1024 -768
WIRE -640 -752 -640 -768
WIRE 400 -752 400 -768
WIRE 688 -752 688 -768
WIRE 1024 -752 1024 -768
WIRE 1136 -752 1136 -768
WIRE -688 -672 -848 -672
WIRE 608 -672 448 -672
WIRE -1136 -656 -1136 -672
WIRE -1024 -656 -1024 -688
WIRE 688 -656 688 -688
WIRE 1024 -656 1024 -688
WIRE 1136 -656 1136 -672
WIRE -640 -640 -640 -656
WIRE -448 -640 -640 -640
WIRE -240 -640 -448 -640
WIRE -112 -640 -240 -640
WIRE -80 -640 -112 -640
WIRE 16 -640 0 -640
WIRE 32 -640 16 -640
WIRE 144 -640 112 -640
WIRE 352 -640 144 -640
WIRE 400 -640 400 -656
WIRE 400 -640 352 -640
WIRE -640 -624 -640 -640
WIRE 400 -624 400 -640
WIRE -240 -560 -240 -640
WIRE -112 -560 -112 -640
WIRE 16 -560 16 -640
WIRE 144 -560 144 -640
WIRE -688 -544 -720 -544
WIRE 480 -544 448 -544
WIRE -640 -512 -640 -528
WIRE 400 -512 400 -528
WIRE -448 -480 -448 -640
WIRE -432 -480 -448 -480
WIRE -352 -480 -368 -480
WIRE 272 -480 256 -480
WIRE 352 -480 352 -640
WIRE 352 -480 336 -480
WIRE -720 -384 -720 -544
WIRE -352 -384 -720 -384
WIRE 480 -384 480 -544
WIRE 480 -384 256 -384
WIRE -848 -304 -848 -672
WIRE -352 -304 -848 -304
WIRE 608 -304 608 -672
WIRE 608 -304 256 -304
WIRE -928 -224 -928 -768
WIRE -352 -224 -928 -224
WIRE 352 -224 256 -224
WIRE 480 -224 352 -224
WIRE 784 -224 784 -768
WIRE 784 -224 480 -224
WIRE -928 -208 -928 -224
WIRE 480 -208 480 -224
WIRE -352 -128 -928 -128
WIRE 352 -128 352 -224
WIRE 352 -128 256 -128
WIRE 480 -128 480 -144
WIRE -928 -112 -928 -128
WIRE -640 -32 -656 -32
WIRE -560 -32 -576 -32
WIRE -352 -32 -560 -32
WIRE 352 -32 256 -32
WIRE 480 -32 352 -32
WIRE 864 -32 864 -768
WIRE 864 -32 560 -32
WIRE -928 -16 -928 -32
WIRE 352 -16 352 -32
WIRE -560 64 -560 -32
WIRE -544 64 -560 64
WIRE -416 64 -464 64
WIRE -352 64 -416 64
WIRE 352 64 352 48
WIRE 352 64 256 64
WIRE 480 64 352 64
WIRE 976 64 976 -768
WIRE 976 64 560 64
WIRE -560 160 -576 160
WIRE -480 160 -496 160
WIRE -352 160 -480 160
WIRE 976 160 976 144
WIRE 976 160 256 160
WIRE 976 176 976 160
WIRE -480 256 -480 160
WIRE -352 256 -480 256
WIRE 976 272 976 256
WIRE -480 352 -480 256
WIRE -352 352 -480 352
WIRE 272 352 256 352
WIRE -352 432 -368 432
WIRE 272 432 256 432
WIRE -480 576 -480 352
WIRE -448 576 -480 576
WIRE -240 576 -240 528
WIRE -240 576 -368 576
WIRE -240 592 -240 576
WIRE -48 592 -48 528
WIRE 144 592 144 528
WIRE -240 688 -240 656
WIRE -48 688 -48 672
WIRE 144 688 144 672
WIRE -48 768 -48 752
FLAG 272 432 0
FLAG -240 688 0
FLAG 144 688 0
FLAG -48 768 0
FLAG -1136 -656 0
FLAG -928 -16 0
FLAG 1136 -656 0
FLAG -1136 -768 IN
FLAG -640 -512 0
FLAG 400 -512 0
FLAG 976 272 0
FLAG 272 352 0
FLAG -656 -32 0
FLAG -576 160 0
FLAG 1136 -768 OUT
FLAG -368 432 0
FLAG 1024 -656 0
FLAG -1024 -656 0
FLAG 688 -656 0
FLAG -416 64 _PGOOD
FLAG 480 -128 0
SYMBOL cap -256 592 R0
SYMATTR InstName C1
SYMATTR Value 47n
SYMBOL cap -64 688 R0
SYMATTR Value 27n
SYMATTR InstName C2
SYMBOL voltage -1136 -768 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res -96 -624 R270
SYMATTR InstName R1
SYMATTR Value 1m
SYMBOL cap -368 -496 R90
SYMATTR InstName C3
SYMATTR Value .1
SYMBOL nmos -688 -752 R0
SYMATTR InstName Q1
SYMATTR Value BSC100N06LS3
SYMBOL nmos -688 -624 R0
SYMATTR InstName Q2
SYMATTR Value BSC100N06LS3
SYMBOL ind 16 -624 R270
SYMATTR InstName L1
SYMATTR Value 3
SYMATTR SpiceLine Rser=3m
SYMBOL res 864 -752 R270
SYMATTR InstName R2
SYMATTR Value 5m
SYMBOL nmos 448 -752 M0
SYMATTR InstName Q3
SYMATTR Value BSC050NE2LS
SYMBOL nmos 448 -624 M0
SYMATTR InstName Q4
SYMATTR Value BSC050NE2LS
SYMBOL cap 336 -496 R90
SYMATTR InstName C4
SYMATTR Value .1
SYMBOL res 128 576 R0
SYMATTR InstName R3
SYMATTR Value 226k
SYMBOL res 960 48 R0
SYMATTR InstName R4
SYMATTR Value 110K
SYMBOL cap -576 -48 R90
SYMATTR InstName C5
SYMATTR Value 4.7
SYMBOL cap -496 144 R90
SYMATTR InstName C6
SYMATTR Value .47
SYMBOL res 960 160 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res -448 48 R90
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL res -944 -128 R0
SYMATTR InstName R7
SYMATTR Value 100k
SYMBOL res -944 -224 R0
SYMATTR InstName R8
SYMATTR Value 130k
SYMBOL cap 1008 -752 R0
SYMATTR Value 470
SYMATTR InstName C7
SYMATTR SpiceLine Rser=15m
SYMBOL res -64 576 R0
SYMATTR InstName R9
SYMATTR Value 12K
SYMBOL cap -1040 -752 R0
SYMATTR Value 120
SYMATTR Value2 x4
SYMATTR InstName C8
SYMBOL res 1120 -768 R0
SYMATTR InstName Rload
SYMATTR Value 1.5
SYMBOL cap 672 -752 R0
SYMATTR Value 470
SYMATTR InstName C9
SYMATTR SpiceLine Rser=15m
SYMBOL res -352 560 R90
SYMATTR InstName R10
SYMATTR Value 100K
SYMBOL LT8392 -48 -16 R0
SYMATTR InstName U1
SYMBOL cap 336 -16 R0
SYMATTR Value 1
SYMATTR InstName C10
SYMATTR SpiceLine Rser=15m
SYMBOL res 464 -16 R270
SYMATTR InstName R11
SYMATTR Value 100
SYMBOL res 464 80 R270
SYMATTR InstName R12
SYMATTR Value 100
SYMBOL cap 464 -208 R0
SYMATTR Value 1
SYMATTR InstName C11