* SPICE netlist
Laux 0 N034 8.02 Rser=233m
R18 N034 N033 5.9K
R19 N033 0 1.96K
Rsense N020 0 30m
C7 Vin N009 100p
Lpri Vin N015 26 Rser=233m Rser=94m Rpar=500K
Lsec N014 N005 1.284 Rser=233m Rser=7m Rpar=500K
M1 N014 N016 0 0 PSMN2R430MLD
C4 0 N029 220p
C3 N031 N029 3.3n
C5 N026 N025 1 Rser=100
M3 N015 N019 N020 N020 BSZ900N20NS3
C6 N005 0 47 m=2 Rser=25m
L2 N005 OUT 180n Rser=5m
C8 OUT 0 47 Rser=50m
R1 OUT 0 0.72
Ltp 0 N026 785 Rser=0.6 Rser=0.6
C9 N028 N027 2.2n
Lts 0 N027 785 Rser=0.6 Rser=0.6
R3 N028 0 10K
D1 0 N028 RB068LAM100
R4 N021 N028 15
Q3 0 N021 N016 0 2N3906
Q4 OUT N021 N016 0 2N3904
R9 N003 N010 8.2
C10 N011 0 10n
M4 N003 N012 N004 N004 BSC265N10LSF
D8 N002 N003 MURS120
D2 N001 N002 MURS120
C12 N004 0 10 Rser=1
L4 N004 Vin 10 Rser=100m
C13 Vin 0 2.2 Rser=5m
R5 0 N017 7.5K
R6 N006 Vin 20
Q2 N007 N013 N006 0 2SA1579U3
C14 N008 0 10 ic=0
L3 N007 N008 100 Rser=5m
D3 0 N007 1N5817
R8 N022 0 37.4
C11 N023 0 0.01
R10 N030 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 440m 6 441m 17 445m 17 446m 6 450m 6 451m 17 455m 17 456m 6 460m 6 461m 57)
R2 N032 0 10K
C15 0 N014 1n Rser=5.1
C2 N010 0 0.1
Rline N001 IN 6.25
R11 N024 0 107K
R7 N018 0 1K
R12 0 N031 20K
R13 N009 N015 80
R14 N012 N011 3.3K
XU1 0 0 N022 N018 N032 N008 MP_01 MP_02 MP_03 N024 N023 N017 N029 N033 N030 0 N020 N025 MP_04 N019 MP_05 MP_06 N013 Vin N004 N012 MP_07 N010 LT4295 ;pnba GND)AUX)Rclass++)Rclass)T2P)Vcc))))Rosc)SFST)FFSDLY)ITHB)FB31)RLDCMP)ISEN-)ISEN+)SG))PG)))SWVcc)Vin)HSsrc)HSgate))Vport
.tran 492m
K1 Lpri Lsec Laux 0.985
K2 Ltp Lts 0.9994

* LTspice schematic (.asc)
Version 4
SHEET 1 2608 1184
WIRE -1272 -576 -1304 -576
WIRE -1256 -576 -1272 -576
WIRE -1128 -576 -1176 -576
WIRE -1000 -576 -1064 -576
WIRE -872 -576 -936 -576
WIRE -792 -576 -872 -576
WIRE -648 -576 -696 -576
WIRE -600 -576 -648 -576
WIRE -568 -576 -600 -576
WIRE -456 -576 -488 -576
WIRE -392 -576 -456 -576
WIRE -360 -576 -392 -576
WIRE 456 -576 -360 -576
WIRE 584 -576 456 -576
WIRE 840 -576 712 -576
WIRE 904 -576 840 -576
WIRE 1032 -576 984 -576
WIRE 1160 -576 1032 -576
WIRE 1272 -576 1160 -576
WIRE 1304 -576 1272 -576
WIRE -872 -528 -872 -576
WIRE -600 -528 -600 -576
WIRE -456 -528 -456 -576
WIRE 456 -528 456 -576
WIRE 1160 -528 1160 -576
WIRE 584 -512 584 -576
WIRE 712 -512 712 -576
WIRE 840 -512 840 -576
WIRE 1032 -512 1032 -576
WIRE -392 -496 -392 -576
WIRE -360 -496 -392 -496
WIRE -184 -496 -280 -496
WIRE -24 -496 -88 -496
WIRE 40 -496 -24 -496
WIRE 168 -496 120 -496
WIRE 248 -496 168 -496
WIRE -24 -448 -24 -496
WIRE 168 -448 168 -496
WIRE -600 -416 -600 -464
WIRE -456 -416 -456 -464
WIRE 456 -416 456 -464
WIRE 840 -416 840 -448
WIRE 1032 -416 1032 -448
WIRE 1160 -416 1160 -448
WIRE -872 -400 -872 -448
WIRE -872 -400 -952 -400
WIRE -808 -400 -824 -400
WIRE -712 -400 -712 -528
WIRE -712 -400 -728 -400
WIRE -136 -368 -136 -432
WIRE -136 -368 -296 -368
WIRE 712 -368 712 -432
WIRE 808 -368 712 -368
WIRE 904 -368 808 -368
WIRE 1032 -368 968 -368
WIRE -952 -336 -952 -400
WIRE -824 -336 -824 -400
WIRE -24 -336 -24 -384
WIRE 168 -336 168 -384
WIRE 808 -336 808 -368
WIRE -648 -288 -648 -576
WIRE -488 -288 -648 -288
WIRE 248 -288 248 -496
WIRE 248 -288 -200 -288
WIRE 456 -288 456 -336
WIRE 584 -288 584 -432
WIRE 584 -288 456 -288
WIRE -952 -256 -952 -272
WIRE -824 -256 -824 -272
WIRE 1032 -256 856 -256
WIRE -712 -240 -712 -400
WIRE -600 -240 -712 -240
WIRE -872 -208 -872 -400
WIRE -696 -208 -872 -208
WIRE -40 -208 -88 -208
WIRE 88 -208 40 -208
WIRE 808 -208 808 -240
WIRE 584 -176 584 -288
WIRE 904 -160 872 -160
WIRE 1032 -160 1032 -256
WIRE 1032 -160 1000 -160
WIRE 1064 -160 1032 -160
WIRE 1304 -160 1304 -576
WIRE 1304 -160 1160 -160
WIRE -776 -144 -776 -176
WIRE -696 -144 -696 -208
WIRE -600 -144 -600 -240
WIRE -488 -144 -488 -288
WIRE -392 -144 -392 -496
WIRE -296 -144 -296 -368
WIRE -200 -144 -200 -288
WIRE -88 -144 -88 -208
WIRE -1000 -96 -1032 -96
WIRE -904 -96 -920 -96
WIRE 536 -96 24 -96
WIRE 584 -64 584 -80
WIRE 584 -64 520 -64
WIRE 952 -64 952 -96
WIRE 1016 -64 952 -64
WIRE 1112 -64 1112 -96
WIRE 1112 -64 1016 -64
WIRE 584 -48 584 -64
WIRE -1000 -16 -1032 -16
WIRE -904 -16 -920 -16
WIRE 520 -16 520 -64
WIRE 520 -16 24 -16
WIRE 1016 -16 1016 -64
WIRE -1000 64 -1032 64
WIRE -904 64 -936 64
WIRE 584 64 584 32
WIRE 584 64 24 64
WIRE 584 80 584 64
WIRE -1000 144 -1032 144
WIRE -904 144 -920 144
WIRE 456 144 24 144
WIRE 584 144 520 144
WIRE 776 144 712 144
WIRE 888 144 840 144
WIRE 1016 144 1016 64
WIRE 1016 144 888 144
WIRE 184 192 136 192
WIRE 376 192 248 192
WIRE 584 208 584 144
WIRE 712 208 712 144
WIRE 888 208 888 144
WIRE 1016 208 1016 144
WIRE -1000 224 -1032 224
WIRE -904 224 -920 224
WIRE 136 224 136 192
WIRE 136 224 24 224
WIRE 376 224 376 192
WIRE 408 224 376 224
WIRE 136 288 136 224
WIRE 184 288 136 288
WIRE 264 288 248 288
WIRE 376 288 376 224
WIRE 376 288 344 288
WIRE -1000 304 -1032 304
WIRE -904 304 -920 304
WIRE 72 304 24 304
WIRE 584 336 584 288
WIRE 712 336 712 288
WIRE 888 336 888 288
WIRE 1016 336 1016 272
WIRE -440 400 -440 368
WIRE -56 432 -104 432
WIRE 72 432 72 304
WIRE 72 432 24 432
WIRE 120 432 72 432
WIRE 232 432 200 432
WIRE 344 432 312 432
WIRE -1304 480 -1304 -576
WIRE -1304 592 -1304 560
FLAG 584 80 0
FLAG 1160 -416 0
FLAG 1272 -576 OUT
FLAG 1016 336 0
FLAG 840 -416 0
FLAG 808 -208 0
FLAG 872 -160 0
FLAG 584 336 0
FLAG 712 336 0
FLAG 888 336 0
FLAG 408 224 0
FLAG 344 432 0
FLAG -104 432 0
FLAG -440 400 0
FLAG 1032 -416 0
FLAG -1272 -576 IN
FLAG -1304 592 0
FLAG -24 -336 0
FLAG 168 -336 0
FLAG -600 -416 0
FLAG -456 -416 0
FLAG -824 -256 0
FLAG 88 -208 0
FLAG -1032 -16 0
FLAG -1032 64 0
FLAG -1032 224 0
FLAG -360 -576 Vin
FLAG -1032 304 0
FLAG 1032 -368 0
FLAG -952 -256 0
FLAG -1032 144 0
FLAG -776 -176 0
FLAG -1032 -96 0
SYMBOL ind2 328 448 M270
SYMATTR InstName Laux
SYMATTR Value 8.02
SYMATTR Type ind
SYMATTR Value2 Rser=233m
SYMBOL res 216 416 R90
SYMATTR InstName R18
SYMATTR Value 5.9K
SYMBOL res 40 416 R90
SYMATTR InstName R19
SYMATTR Value 1.96K
SYMBOL res 568 -64 R0
SYMATTR InstName Rsense
SYMATTR Value 30m
SYMBOL cap 440 -528 R0
SYMATTR Value 100p
SYMATTR InstName C7
SYMBOL ind2 568 -528 R0
SYMATTR InstName Lpri
SYMATTR Value 26
SYMATTR Type ind
SYMATTR Value2 Rser=233m
SYMATTR SpiceLine Rser=94m Rpar=500K
SYMBOL ind2 728 -416 R180
SYMATTR InstName Lsec
SYMATTR Value 1.284
SYMATTR Type ind
SYMATTR Value2 Rser=233m
SYMATTR SpiceLine Rser=7m Rpar=500K
SYMBOL nmos 856 -336 M0
SYMATTR InstName M1
SYMATTR Value PSMN2R430MLD
SYMBOL cap 248 176 R90
SYMATTR InstName C4
SYMATTR Value 220p
SYMBOL cap 248 272 R90
SYMATTR InstName C3
SYMATTR Value 3.3n
SYMBOL cap 520 128 R90
SYMATTR InstName C5
SYMATTR Value 1
SYMATTR SpiceLine Rser=100
SYMBOL nmos 536 -176 R0
SYMATTR InstName M3
SYMATTR Value BSZ900N20NS3
SYMBOL cap 824 -512 R0
SYMATTR Value 47
SYMATTR Value2 m=2
SYMATTR InstName C6
SYMATTR SpiceLine Rser=25m
SYMBOL ind 888 -560 R270
SYMATTR InstName L2
SYMATTR Value 180n
SYMATTR SpiceLine Rser=5m
SYMBOL cap 1016 -512 R0
SYMATTR Value 47
SYMATTR InstName C8
SYMATTR SpiceLine Rser=50m
SYMBOL res 1144 -544 R0
SYMATTR InstName R1
SYMATTR Value 0.72
SYMBOL ind2 568 304 M180
SYMATTR InstName Ltp
SYMATTR Value 785
SYMATTR Type ind
SYMATTR Value2 Rser=0.6
SYMATTR SpiceLine Rser=0.6
SYMBOL cap 840 128 R90
SYMATTR InstName C9
SYMATTR Value 2.2n
SYMBOL ind2 728 304 R180
SYMATTR InstName Lts
SYMATTR Value 785
SYMATTR Type ind
SYMATTR Value2 Rser=0.6
SYMATTR SpiceLine Rser=0.6
SYMBOL res 872 192 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL schottky 1000 272 M180
SYMATTR InstName D1
SYMATTR Value RB068LAM100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 1000 -32 R0
SYMATTR InstName R4
SYMATTR Value 15
SYMBOL pnp 904 -96 R270
SYMATTR InstName Q3
SYMATTR Value 2N3906
SYMBOL npn 1160 -96 M270
SYMATTR InstName Q4
SYMATTR Value 2N3904
SYMBOL res -888 -544 R0
SYMATTR InstName R9
SYMATTR Value 8.2
SYMBOL cap -840 -336 R0
SYMATTR Value 10n
SYMATTR InstName C10
SYMBOL nmos -792 -528 R270
SYMATTR InstName M4
SYMATTR Value BSC265N10LSF
SYMBOL diode -1000 -560 R270
SYMATTR InstName D8
SYMATTR Value MURS120
SYMBOL diode -1128 -560 R270
SYMATTR InstName D2
SYMATTR Value MURS120
SYMBOL cap -616 -528 R0
SYMATTR InstName C12
SYMATTR Value 10
SYMATTR SpiceLine Rser=1
SYMBOL ind -584 -560 R270
SYMATTR InstName L4
SYMATTR Value 10
SYMATTR SpiceLine Rser=100m
SYMBOL cap -472 -528 R0
SYMATTR InstName C13
SYMATTR Value 2.2
SYMATTR SpiceLine Rser=5m
SYMBOL res 56 -224 R90
SYMATTR InstName R5
SYMATTR Value 7.5K
SYMBOL res -264 -512 R90
SYMATTR InstName R6
SYMATTR Value 20
SYMBOL pnp -88 -432 M270
SYMATTR InstName Q2
SYMATTR Value 2SA1579U3
SYMBOL cap 152 -448 R0
SYMATTR InstName C14
SYMATTR Value 10
SYMATTR Value2 ic=0
SYMBOL ind 24 -480 R270
SYMATTR InstName L3
SYMATTR Value 100
SYMATTR SpiceLine Rser=5m
SYMBOL diode -40 -384 M180
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMBOL res -904 -32 R90
SYMATTR InstName R8
SYMATTR Value 37.4
SYMBOL cap -936 48 R90
SYMATTR InstName C11
SYMATTR Value 0.01
SYMBOL res -904 208 R90
SYMATTR InstName R10
SYMATTR Value 51K
SYMBOL voltage -1304 464 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 416m 6 420m 6 421m 17 425m 17 426m
SYMATTR Value2 6 430m 6 431m 17 435m 17 436m 6 440m 6 441m 17 445m 17 446m 6 450m 6 451m 17 455m 17 456m 6 460m 6 461m 57)
SYMATTR InstName VPSE
SYMBOL res -904 288 R90
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL cap 968 -384 R90
SYMATTR InstName C15
SYMATTR Value 1n
SYMATTR SpiceLine Rser=5.1
SYMBOL cap -968 -336 R0
SYMATTR InstName C2
SYMATTR Value 0.1
SYMBOL res -1160 -592 R90
SYMATTR InstName Rline
SYMATTR Value 6.25
SYMBOL res -904 128 R90
SYMATTR InstName R11
SYMATTR Value 107K
SYMBOL res -904 -112 R90
SYMATTR InstName R7
SYMATTR Value 1K
SYMBOL res 360 272 R90
SYMATTR InstName R12
SYMATTR Value 20K
SYMBOL res 440 -432 R0
SYMATTR InstName R13
SYMATTR Value 80
SYMBOL res -712 -416 R90
SYMATTR InstName R14
SYMATTR Value 3.3K
SYMBOL LT4295 -440 112 R0
SYMATTR InstName U1