* SPICE netlist
Laux N031 0 8.02 Rser=233m
R18 N031 N030 5.9K
R19 N030 0 1.96K
Rsense N019 0 30m
C7 N004 N009 100p Rser=80
Lpri N009 N004 26 Rser=233m Rser=94m Rpar=500K
Lsec N005 N010 1.284 Rser=233m Rser=7m Rpar=500K
M1 N010 N014 0 0 PSMN2R430MLD
C4 0 N027 220p
C3 0 N028 3.3n
C5 N024 N023 1 Rser=100
M3 N009 N018 N019 N019 IRFR120Z
C6 N005 0 47 x2 Rser=25m
L2 OUT N005 180n Rser=5m
C8 OUT 0 47 Rser=50m
R1 OUT 0 0.72
Ltp 0 N024 785 Rser=0.6 Rser=0.6
C9 N015 N025 2.2n
Lts 0 N025 785 Rser=0.6 Rser=0.6
R3 N015 0 10K
D1 0 N015 RB068LAM100
R4 N012 N015 15
Q3 0 N012 N014 0 2N3906
Q4 OUT N012 N014 0 2N3904
R9 N002 N016 8.2
C10 N013 0 10n Rser=3.3K
M4 N002 N013 N003 N003 BSC265N10LSF
D2 N001 N002 MURS120 N=2
C12 N003 0 10 Rser=1
L4 N003 N004 10 Rser=100m
C13 N004 0 2.2 Rser=5m
R5 0 N017 7.5K
R6 N006 N004 20
C14 N008 0 10 ic=0
L3 N007 N008 100 Rser=5m
D3 0 N007 1N5817
R8 N020 0 35.7
C11 N021 0 .01
R10 N026 0 51K
VPSE IN 0 PWL(0 0 10m 7 160m 7 170m 5 325m 5 330m 8 360m 8 370m 6 400m 6 401m 17 415m 17 416m 6 420m 6 421m 17 425m 17 426m 6 430m 6 431m 17 435m 17 436m 6 450m 6 451m 57)
XU1 0 0 N020 NC_01 N029 N008 MP_02 MP_03 MP_04 N022 N021 N017 N027 N030 N026 0 N019 N023 MP_05 N018 MP_06 MP_07 N011 N004 N003 N013 MP_08 N016 LT4276A ;pnba GND)AUX)Rclass++)Rclass)T2P)Vcc))))Rosc)SFST)FFSDLY)ITHB)FB31)RLDCMP)ISEN-)ISEN+)SG))PG)))SWVcc)Vin)HSsrc)HSgate))Vport
R2 N029 0 10K
C15 0 N010 1n Rser=5.1
C2 N016 0 .1
Rline N001 IN 6.25
C16 N001 0 1
R11 N022 0 107K
R7 N028 N027 20K
Q1 N007 N011 N006 0 2SA1579U3
.tran 485m
K1 Lpri Lsec Laux 0.985
K2 Ltp Lts 0.9994

* LTspice schematic (.asc)
Version 4
SHEET 1 2368 1104
WIRE -1136 -536 -1184 -536
WIRE -1008 -536 -1056 -536
WIRE -912 -536 -1008 -536
WIRE -784 -536 -848 -536
WIRE -672 -536 -784 -536
WIRE -544 -536 -576 -536
WIRE -496 -536 -544 -536
WIRE -464 -536 -496 -536
WIRE -352 -536 -384 -536
WIRE -272 -536 -352 -536
WIRE 400 -536 -272 -536
WIRE 592 -536 400 -536
WIRE 768 -536 672 -536
WIRE 832 -536 768 -536
WIRE 944 -536 912 -536
WIRE 1008 -536 944 -536
WIRE 1184 -536 1008 -536
WIRE -1008 -520 -1008 -536
WIRE -496 -520 -496 -536
WIRE -352 -520 -352 -536
WIRE 768 -520 768 -536
WIRE 1008 -520 1008 -536
WIRE 1184 -520 1184 -536
WIRE 400 -472 400 -536
WIRE 592 -472 592 -536
WIRE 608 -472 592 -472
WIRE 672 -472 672 -536
WIRE 672 -472 656 -472
WIRE -784 -456 -784 -536
WIRE -272 -456 -272 -536
WIRE -240 -456 -272 -456
WIRE -128 -456 -160 -456
WIRE 32 -456 -32 -456
WIRE 96 -456 32 -456
WIRE 224 -456 176 -456
WIRE 304 -456 224 -456
WIRE -1008 -440 -1008 -456
WIRE -496 -440 -496 -456
WIRE -352 -440 -352 -456
WIRE 32 -440 32 -456
WIRE 224 -440 224 -456
WIRE 768 -440 768 -456
WIRE 1008 -440 1008 -456
WIRE 1184 -424 1184 -440
WIRE 608 -392 592 -392
WIRE 672 -392 656 -392
WIRE 32 -344 32 -376
WIRE 224 -344 224 -376
WIRE 400 -344 400 -408
WIRE 592 -344 592 -392
WIRE 592 -344 400 -344
WIRE 672 -344 672 -392
WIRE 752 -344 672 -344
WIRE 832 -344 816 -344
WIRE 944 -344 944 -536
WIRE -544 -328 -544 -536
WIRE -368 -328 -544 -328
WIRE -80 -328 -80 -392
WIRE -80 -328 -176 -328
WIRE 672 -296 672 -344
WIRE 1056 -296 1008 -296
WIRE -688 -264 -704 -264
WIRE -592 -264 -592 -488
WIRE -592 -264 -624 -264
WIRE -480 -264 -592 -264
WIRE 304 -248 304 -456
WIRE 304 -248 -80 -248
WIRE 944 -216 944 -248
WIRE 944 -216 720 -216
WIRE 1056 -216 1056 -296
WIRE 1072 -216 1056 -216
WIRE 1168 -216 1152 -216
WIRE 672 -184 672 -200
WIRE 944 -184 944 -216
WIRE -864 -168 -880 -168
WIRE -784 -168 -784 -376
WIRE -784 -168 -800 -168
WIRE -576 -168 -784 -168
WIRE 80 -168 32 -168
WIRE 192 -168 160 -168
WIRE 592 -136 592 -344
WIRE 1056 -136 1056 -216
WIRE 1056 -136 1008 -136
WIRE -656 -104 -656 -120
WIRE -576 -104 -576 -168
WIRE -480 -104 -480 -264
WIRE -368 -104 -368 -328
WIRE -272 -104 -272 -456
WIRE -176 -104 -176 -328
WIRE -80 -104 -80 -248
WIRE 32 -104 32 -168
WIRE 544 -56 144 -56
WIRE 944 -56 944 -88
WIRE 592 -24 592 -40
WIRE 592 -24 528 -24
WIRE 592 -8 592 -24
WIRE -880 24 -912 24
WIRE -784 24 -800 24
WIRE 528 24 528 -24
WIRE 528 24 144 24
WIRE -880 104 -912 104
WIRE -784 104 -816 104
WIRE 592 104 592 72
WIRE 592 104 144 104
WIRE 592 120 592 104
WIRE -880 184 -912 184
WIRE -784 184 -800 184
WIRE 448 184 144 184
WIRE 608 184 512 184
WIRE 768 184 656 184
WIRE 880 184 832 184
WIRE 1008 184 880 184
WIRE 1168 184 1168 -216
WIRE 1168 184 1008 184
WIRE 608 200 608 184
WIRE 656 200 656 184
WIRE 880 200 880 184
WIRE 1008 200 1008 184
WIRE -880 264 -912 264
WIRE -784 264 -800 264
WIRE 224 264 144 264
WIRE 256 264 224 264
WIRE 368 264 336 264
WIRE 224 280 224 264
WIRE 368 280 368 264
WIRE 608 296 608 280
WIRE 656 296 656 280
WIRE 880 296 880 280
WIRE 1008 296 1008 264
WIRE -880 344 -912 344
WIRE -784 344 -800 344
WIRE 176 344 144 344
WIRE 224 360 224 344
WIRE 368 360 368 344
WIRE -1184 440 -1184 -536
WIRE -320 440 -320 408
WIRE 80 472 48 472
WIRE 176 472 176 344
WIRE 176 472 160 472
WIRE 192 472 176 472
WIRE 288 472 272 472
WIRE 400 472 368 472
WIRE -1184 552 -1184 520
FLAG 592 120 0
FLAG 1184 -424 0
FLAG 1184 -536 OUT
FLAG 1008 296 0
FLAG 768 -440 0
FLAG 672 -184 0
FLAG 944 -56 0
FLAG 608 296 0
FLAG 656 296 0
FLAG 880 296 0
FLAG 400 472 0
FLAG 48 472 0
FLAG -320 440 0
FLAG 1008 -440 0
FLAG -1184 -536 IN
FLAG -1184 552 0
FLAG 32 -344 0
FLAG 224 -344 0
FLAG -496 -440 0
FLAG -352 -440 0
FLAG -704 -264 0
FLAG 192 -168 0
FLAG -912 24 0
FLAG -912 104 0
FLAG -912 264 0
FLAG -912 344 0
FLAG 832 -344 0
FLAG -880 -168 0
FLAG -1008 -440 0
FLAG -912 184 0
FLAG -656 -120 0
FLAG 224 360 0
FLAG 368 360 0
SYMBOL ind2 272 488 R270
SYMATTR InstName Laux
SYMATTR Value 8.02
SYMATTR Type ind
SYMATTR Value2 Rser=233m
SYMBOL res 288 456 R90
SYMATTR InstName R18
SYMATTR Value 5.9K
SYMBOL res 176 456 R90
SYMATTR InstName R19
SYMATTR Value 1.96K
SYMBOL res 576 -24 R0
SYMATTR InstName Rsense
SYMATTR Value 30m
SYMBOL cap 384 -472 R0
SYMATTR Value 100p
SYMATTR SpiceLine Rser=80
SYMATTR InstName C7
SYMBOL ind2 592 -376 M180
SYMATTR InstName Lpri
SYMATTR Value 26
SYMATTR Type ind
SYMATTR Value2 Rser=233m
SYMATTR SpiceLine Rser=94m Rpar=500K
SYMBOL ind2 672 -488 M0
SYMATTR InstName Lsec
SYMATTR Value 1.284
SYMATTR Type ind
SYMATTR Value2 Rser=233m
SYMATTR SpiceLine Rser=7m Rpar=500K
SYMBOL nmos 720 -296 M0
SYMATTR InstName M1
SYMATTR Value PSMN2R430MLD
SYMBOL cap 208 344 M180
SYMATTR InstName C4
SYMATTR Value 220p
SYMBOL cap 352 344 M180
SYMATTR InstName C3
SYMATTR Value 3.3n
SYMBOL cap 512 168 R90
SYMATTR InstName C5
SYMATTR Value 1
SYMATTR SpiceLine Rser=100
SYMBOL nmos 544 -136 R0
SYMATTR InstName M3
SYMATTR Value IRFR120Z
SYMBOL cap 752 -520 R0
SYMATTR Value 47
SYMATTR Value2 x2
SYMATTR InstName C6
SYMATTR SpiceLine Rser=25m
SYMBOL ind 928 -520 M270
SYMATTR InstName L2
SYMATTR Value 180n
SYMATTR SpiceLine Rser=5m
SYMBOL cap 992 -520 R0
SYMATTR Value 47
SYMATTR InstName C8
SYMATTR SpiceLine Rser=50m
SYMBOL res 1168 -536 R0
SYMATTR InstName R1
SYMATTR Value 0.72
SYMBOL ind2 592 296 M180
SYMATTR InstName Ltp
SYMATTR Value 785
SYMATTR Type ind
SYMATTR Value2 Rser=0.6
SYMATTR SpiceLine Rser=0.6
SYMBOL cap 832 168 R90
SYMATTR InstName C9
SYMATTR Value 2.2n
SYMBOL ind2 672 296 R180
SYMATTR InstName Lts
SYMATTR Value 785
SYMATTR Type ind
SYMATTR Value2 Rser=0.6
SYMATTR SpiceLine Rser=0.6
SYMBOL res 864 184 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL diode 992 264 M180
SYMATTR InstName D1
SYMATTR Value RB068LAM100
SYMBOL res 1056 -200 R270
SYMATTR InstName R4
SYMATTR Value 15
SYMBOL pnp 1008 -88 R180
SYMATTR InstName Q3
SYMATTR Value 2N3906
SYMBOL npn 1008 -344 M0
SYMATTR InstName Q4
SYMATTR Value 2N3904
SYMBOL res -800 -472 R0
SYMATTR InstName R9
SYMATTR Value 8.2
SYMBOL cap -624 -280 R90
SYMATTR Value 10n
SYMATTR SpiceLine Rser=3.3K
SYMATTR InstName C10
SYMBOL nmos -672 -488 R270
SYMATTR InstName M4
SYMATTR Value BSC265N10LSF
SYMBOL diode -912 -520 R270
SYMATTR InstName D2
SYMATTR Value MURS120
SYMATTR Value2 N=2
SYMBOL cap -512 -520 R0
SYMATTR InstName C12
SYMATTR Value 10
SYMATTR SpiceLine Rser=1
SYMBOL ind -480 -520 R270
SYMATTR InstName L4
SYMATTR Value 10
SYMATTR SpiceLine Rser=100m
SYMBOL cap -368 -520 R0
SYMATTR InstName C13
SYMATTR Value 2.2
SYMATTR SpiceLine Rser=5m
SYMBOL res 176 -184 R90
SYMATTR InstName R5
SYMATTR Value 7.5K
SYMBOL res -144 -472 R90
SYMATTR InstName R6
SYMATTR Value 20
SYMBOL cap 208 -440 R0
SYMATTR InstName C14
SYMATTR Value 10
SYMATTR Value2 ic=0
SYMBOL ind 80 -440 R270
SYMATTR InstName L3
SYMATTR Value 100
SYMATTR SpiceLine Rser=5m
SYMBOL diode 16 -376 M180
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMBOL res -784 8 R90
SYMATTR InstName R8
SYMATTR Value 35.7
SYMBOL cap -816 88 R90
SYMATTR InstName C11
SYMATTR Value .01
SYMBOL res -784 248 R90
SYMATTR InstName R10
SYMATTR Value 51K
SYMBOL voltage -1184 424 R0
SYMATTR Value PWL(0 0  10m 7  160m 7  170m 5  325m 5  330m 8  360m 8  370m 6  400m 6  401m 17  415m 17
SYMATTR Value2 416m 6  420m 6  421m 17  425m 17 426m 6  430m 6  431m 17  435m 17  436m 6  450m 6  451m 57)
SYMATTR InstName VPSE
SYMBOL LT4276A -320 152 R0
SYMATTR InstName U1
SYMBOL res -784 328 R90
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL cap 816 -360 R90
SYMATTR InstName C15
SYMATTR Value 1n
SYMATTR SpiceLine Rser=5.1
SYMBOL cap -800 -184 R90
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL res -1040 -552 R90
SYMATTR InstName Rline
SYMATTR Value 6.25
SYMBOL cap -1024 -520 R0
SYMATTR InstName C16
SYMATTR Value 1
SYMBOL res -784 168 R90
SYMATTR InstName R11
SYMATTR Value 107K
SYMBOL res 352 248 R90
SYMATTR InstName R7
SYMATTR Value 20K
SYMBOL pnp -32 -392 M270
SYMATTR InstName Q1
SYMATTR Value 2SA1579U3