* SPICE netlist
Vin IN 0 420
L1 IN N007 540 Rser=0.5
L2 0 N001 8.44 Rser=0.03 Cpar=0.5p
C2 OUT 0 1200 Rser=50m
D1 N001 OUT RB058LAM150
Rsense N012 0 40m
Rload OUT 0 4
C3 N006 N003 47p Rser=10K
R4 N008 N009 108K
R5 N003 N008 44.2K
R6 N008 0 4.99K
D4 N007 N004 RFN1LAM7S
L3 0 N003 8.44 Rser=0.6
C5 N005 0 4.7
C7 IN N007 90p Rser=25
C8 OUT 0 100 Rser=2m
C9 N011 0 100n Rser=20K
R9 N013 0 61.9K
M1 N007 N010 N012 N012 STW11NM80
C1 N002 0 4.7
D5 IN N004 1N5378B N=2
D2 N003 N002 RB058LAM150
XU2 IN 0 N010 N013 N011 0 N005 N005 N002 N006 N009 N008 N012 LT8316 ;pnba Vin)GND)Gate)Ireg/SS)Vc)Smode)EN/UVLO)IntVcc)Bias)DCM)TC)FB)Sense
K1 L1 L2 L3 0.993
.tran 150m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1664 864
WIRE -608 -432 -768 -432
WIRE 32 -432 -608 -432
WIRE 160 -432 32 -432
WIRE 304 -432 160 -432
WIRE 464 -432 368 -432
WIRE 624 -432 528 -432
WIRE 720 -432 624 -432
WIRE 832 -432 720 -432
WIRE -768 -416 -768 -432
WIRE 304 -416 304 -432
WIRE 368 -416 368 -432
WIRE 624 -416 624 -432
WIRE 720 -416 720 -432
WIRE 832 -416 832 -432
WIRE 32 -400 32 -432
WIRE -480 -384 -544 -384
WIRE -416 -384 -480 -384
WIRE -304 -384 -352 -384
WIRE -160 -384 -304 -384
WIRE -80 -384 -160 -384
WIRE -544 -368 -544 -384
WIRE -80 -368 -80 -384
WIRE -768 -320 -768 -336
WIRE -304 -320 -304 -384
WIRE 160 -320 160 -432
WIRE 368 -320 368 -336
WIRE 624 -320 624 -352
WIRE 720 -320 720 -352
WIRE 832 -320 832 -336
WIRE -544 -288 -544 -304
WIRE -80 -272 -80 -288
WIRE -608 -256 -608 -432
WIRE -480 -256 -480 -384
WIRE 32 -256 32 -336
WIRE -160 -208 -160 -384
WIRE -704 -176 -816 -176
WIRE -304 -176 -304 -256
WIRE -304 -176 -384 -176
WIRE 32 -160 32 -192
WIRE 160 -160 160 -256
WIRE 160 -160 32 -160
WIRE 304 -160 304 -336
WIRE 304 -160 160 -160
WIRE -304 -96 -352 -96
WIRE -160 -96 -160 -128
WIRE -160 -96 -304 -96
WIRE -816 -80 -816 -176
WIRE -704 -80 -816 -80
WIRE -352 -80 -352 -96
WIRE -352 -80 -384 -80
WIRE -304 -80 -304 -96
WIRE -160 -80 -160 -96
WIRE -816 -64 -816 -80
WIRE -816 16 -816 0
WIRE -704 16 -816 16
WIRE -304 16 -304 0
WIRE -304 16 -384 16
WIRE -160 16 -160 0
WIRE -816 32 -816 16
WIRE 304 32 304 -160
WIRE 256 112 -384 112
WIRE -800 208 -816 208
WIRE -704 208 -736 208
WIRE 304 208 304 128
WIRE 304 208 -384 208
WIRE 304 224 304 208
WIRE -480 304 -480 288
WIRE 304 320 304 304
WIRE -608 336 -608 288
WIRE -608 432 -608 416
FLAG 720 -320 0
FLAG 368 -320 0
FLAG 832 -320 0
FLAG -768 -432 IN
FLAG 832 -432 OUT
FLAG 624 -320 0
FLAG -80 -272 0
FLAG -768 -320 0
FLAG -544 -288 0
FLAG -816 32 0
FLAG -816 208 0
FLAG -608 432 0
FLAG -480 304 0
FLAG -160 16 0
FLAG 304 320 0
SYMBOL voltage -768 -432 R0
SYMATTR InstName Vin
SYMATTR Value 420
SYMBOL ind2 288 -432 R0
SYMATTR InstName L1
SYMATTR Value 540u
SYMATTR SpiceLine Rser=0.5
SYMATTR Type ind
SYMBOL ind2 384 -320 R180
SYMATTR InstName L2
SYMATTR Value 8.44u
SYMATTR SpiceLine Rser=0.03 Cpar=0.5p
SYMATTR Type ind
SYMBOL cap 704 -416 R0
SYMATTR SpiceLine Rser=50m
SYMATTR InstName C2
SYMATTR Value 1200u
SYMBOL schottky 464 -416 R270
SYMATTR InstName D1
SYMATTR Value RB058LAM150
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 288 208 R0
SYMATTR InstName Rsense
SYMATTR Value 40m
SYMBOL res 816 -432 R0
SYMATTR InstName Rload
SYMATTR Value 4
SYMBOL cap -320 -256 M180
SYMATTR Value2 Rser=10K
SYMATTR InstName C3
SYMATTR Value 47p
SYMBOL res -320 -96 R0
SYMATTR InstName R4
SYMATTR Value 108K
SYMBOL res -176 -224 R0
SYMATTR InstName R5
SYMATTR Value 44.2K
SYMBOL res -176 -96 R0
SYMATTR InstName R6
SYMATTR Value 4.99K
SYMBOL diode 16 -192 M180
SYMATTR InstName D4
SYMATTR Value RFN1LAM7S
SYMBOL ind2 -96 -272 M180
SYMATTR InstName L3
SYMATTR Value 8.44u
SYMATTR SpiceLine Rser=0.6
SYMATTR Type ind
SYMBOL cap -832 -64 R0
SYMATTR InstName C5
SYMATTR Value 4.7u
SYMBOL cap 144 -320 R0
SYMATTR Value2 Rser=25
SYMATTR Value 90p
SYMATTR InstName C7
SYMBOL cap 608 -416 R0
SYMATTR SpiceLine Rser=2m
SYMATTR InstName C8
SYMATTR Value 100u
SYMBOL cap -736 224 M270
SYMATTR SpiceLine Rser=20K
SYMATTR InstName C9
SYMATTR Value 100n
SYMBOL res -624 320 R0
SYMATTR InstName R9
SYMATTR Value 61.9K
SYMBOL NMOS 256 32 R0
SYMATTR InstName M1
SYMATTR Value STW11NM80
SYMBOL cap -560 -368 R0
SYMATTR InstName C1
SYMATTR Value 4.7u
SYMBOL zener 16 -400 R0
SYMATTR Value2 N=2
SYMATTR InstName D5
SYMATTR Value 1N5378B
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -352 -368 M270
SYMATTR InstName D2
SYMATTR Value RB058LAM150
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL LT8316 -544 16 R0
SYMATTR InstName U2