* SPICE netlist
XU1 0 MP_01 0 MP_02 N011 Vaux Vaux Vaux N024 N044 N031 N042 NC_03 N043 N035 N012 MP_04 N026 MP_05 N025 0 LT8311 ;pnba CSW))FSW))FG)INTVcc)Vin)_PMode)OPTO)COMP)FB)Timer)_Pgood)SS)SYNC)CG))CSN))CSP)GND
R1 N018 0 5m
L1 IN N004 216 Rser=12m Rpar=5k
L2 N001 N005 216 Rser=4.5m
L3 N001 OUT 6.8 Rser=5m Rpar=10K
C2 OUT 0 22 x2 Rser=10m
R2 OUT N031 100K
R3 N031 0 11.3K
R4 N021 N019 5.9K
R5 0 N021 1.82K
V1 IN 0 30
Rload1 OUT 0 .96
C3 0 INTVcc 4.7
M1 N004 N017 N018 N018 BSC077N12NS3
R6 N019 IN 100k
R7 N024 N023 3.16K
R8 N022 INTVcc 100
R9 0 N030 1K
XU3 N023 0 N022 N030 PC817 Igain=3.4m ;pnba A)K)C)E
C5 N031 OUT 68p
L4 0 N034 785 Rser=.6
C6 N033 N034 220p
R12 N035 0 560
XU5 N008 N013 N036 N029 N028 NC_06 N027 N037 N019 N021 N039 N040 N041 N038 MP_07 MP_08 N032 0 0 0 N020 N018 MP_09 N017 MP_10 INTVcc MP_11 IN MP_12 N033 MP_13 N016 MP_14 N015 MP_15 N014 LT3752 ;pnba HFB)HCOMP)Rt)FB)Comp)SYNC)SS1)Ivsec)UVLO_Vsec)OVLO)Tao)Tas)Tos)Tblnk)))SS2)GND)PGND)Isensen)Isensep)OC))OUT))INTVcc))Vin))SOUT))AOUT))HOUT))HIsense
C8 0 N027 .01
C9 0 N032 .01
R13 N036 0 31.6K
R14 N037 0 71.5K
R15 N038 0 34K
R16 N039 0 49.9K
R17 N040 0 22.6K
R18 N041 0 7.32K
R19 N020 N018 2K
M2 N005 N011 0 0 BSC082N10LS
C10 OUT 0 470 V=16 Irms=825m Rser=0.084 Lser=0 mfg="United Chemi-Con" pn="LXF16VB471M10X16LL" type="Al electrolytic"
C11 N004 N007 15n
M4 N007 N010 0 0 Si7113DN
C12 N010 N016 100n
R20 N010 0 10K
D1 N010 0 BAT46WJ
L6 IN N006 222 Rser=1.6
M5 N006 N015 N009 N009 Si7802DN
R21 N009 0 .15
R22 N009 N014 499
L8 0 N002 25.66 Rser=.45
D2 N002 INTVcc BAT46WJ
R23 0 N008 1.1K
R24 N008 INTVcc 10K
C13 0 N013 3.5n Rser=25K Cpar=50p
L7 0 N003 25.66 Rser=.65
D3 N003 Vaux BAT46WJ
C14 Vaux 0 2.2
L5 0 N035 785 Rser=.6
C15 0 INTVcc 2.2
R25 N028 N029 100K
R26 N029 N030 100K
C16 N022 0 1
C4 Vaux 0 4.7
R11 0 N026 100
R27 N001 N025 100
R10 N042 0 499K
C1 N043 0 .015
C7 N044 0 2200p Rser=3.7K Cpar=68p
M3 N001 N012 0 0 BSC082N10LS
D4 0 N001 MBRS1100
K1 L1 L2 1
.tran 5.5m startup
K2 L5 L4 1
K3 L6 L7 L8 1

* LTspice schematic (.asc)
Version 4
SHEET 1 2512 1168
WIRE -1176 -584 -1256 -584
WIRE -632 -584 -1176 -584
WIRE -40 -584 -632 -584
WIRE 360 -584 40 -584
WIRE 408 -584 360 -584
WIRE 648 -584 488 -584
WIRE 776 -584 648 -584
WIRE 1128 -584 776 -584
WIRE 1256 -584 1128 -584
WIRE -1256 -568 -1256 -584
WIRE -40 -568 -40 -584
WIRE -24 -568 -40 -568
WIRE 40 -568 40 -584
WIRE 40 -568 24 -568
WIRE 648 -568 648 -584
WIRE 776 -568 776 -584
WIRE 1256 -568 1256 -584
WIRE -632 -552 -632 -584
WIRE -952 -536 -1016 -536
WIRE -840 -536 -952 -536
WIRE -808 -536 -840 -536
WIRE -680 -536 -744 -536
WIRE -472 -536 -536 -536
WIRE -376 -536 -408 -536
WIRE -952 -520 -952 -536
WIRE -840 -520 -840 -536
WIRE -680 -520 -680 -536
WIRE -536 -520 -536 -536
WIRE -376 -520 -376 -536
WIRE -24 -488 -40 -488
WIRE 40 -488 24 -488
WIRE 648 -488 648 -504
WIRE 776 -488 776 -504
WIRE -1256 -472 -1256 -488
WIRE 1256 -472 1256 -488
WIRE -632 -456 -632 -472
WIRE -136 -456 -152 -456
WIRE -40 -456 -40 -488
WIRE -40 -456 -72 -456
WIRE -952 -440 -952 -456
WIRE -152 -440 -152 -456
WIRE -840 -424 -840 -440
WIRE -776 -424 -840 -424
WIRE -680 -424 -680 -440
WIRE -536 -424 -536 -440
WIRE -376 -424 -376 -456
WIRE 360 -376 360 -584
WIRE 584 -376 360 -376
WIRE 824 -376 584 -376
WIRE -632 -360 -680 -360
WIRE -312 -360 -392 -360
WIRE -232 -360 -312 -360
WIRE -200 -360 -232 -360
WIRE 40 -360 40 -488
WIRE 360 -360 360 -376
WIRE -632 -344 -632 -360
WIRE -312 -344 -312 -360
WIRE -232 -344 -232 -360
WIRE 584 -344 584 -376
WIRE -840 -328 -840 -344
WIRE -680 -328 -680 -360
WIRE -392 -328 -392 -360
WIRE -152 -328 -152 -344
WIRE -872 -312 -872 -328
WIRE 168 -280 88 -280
WIRE 312 -280 280 -280
WIRE -232 -264 -232 -280
WIRE -632 -248 -632 -264
WIRE -40 -248 -40 -456
WIRE 40 -248 40 -264
WIRE 360 -248 360 -264
WIRE 584 -248 584 -280
WIRE -872 -232 -872 -248
WIRE -776 -232 -776 -424
WIRE -680 -232 -680 -248
WIRE -584 -232 -584 -376
WIRE -488 -232 -488 -248
WIRE -392 -232 -392 -264
WIRE -1080 -168 -1096 -168
WIRE -1016 -168 -1016 -536
WIRE -984 -168 -1016 -168
WIRE -88 -168 -280 -168
WIRE 280 -136 280 -280
WIRE 920 -136 280 -136
WIRE 168 -88 168 -280
WIRE 536 -88 168 -88
WIRE -1176 -72 -1176 -584
WIRE -984 -72 -1176 -72
WIRE -104 -72 -280 -72
WIRE -1176 -56 -1176 -72
WIRE 104 -8 104 -24
WIRE 376 -8 360 -8
WIRE 456 -8 440 -8
WIRE -984 24 -1176 24
WIRE -232 24 -280 24
WIRE -104 24 -104 -72
WIRE -104 24 -152 24
WIRE -40 24 -40 -152
WIRE -40 24 -104 24
WIRE -1176 40 -1176 24
WIRE -40 40 -40 24
WIRE 824 40 824 -376
WIRE 1016 40 1016 24
WIRE 1128 104 1128 -584
WIRE 1224 104 1128 104
WIRE -984 120 -1176 120
WIRE -248 120 -280 120
WIRE 24 120 8 120
WIRE 104 120 104 72
WIRE 104 120 88 120
WIRE 120 120 104 120
WIRE 328 120 312 120
WIRE 424 120 408 120
WIRE 1128 120 1128 104
WIRE 1224 120 1224 104
WIRE -1176 136 -1176 120
WIRE -40 136 -40 120
WIRE 536 136 536 -88
WIRE 632 136 632 120
WIRE 728 136 728 120
WIRE 824 136 824 120
WIRE 920 136 920 -136
WIRE 1016 136 1016 120
WIRE -1064 216 -1080 216
WIRE -984 216 -1000 216
WIRE -248 216 -280 216
WIRE -152 216 -168 216
WIRE -136 216 -152 216
WIRE 56 216 -56 216
WIRE 120 216 56 216
WIRE 328 216 312 216
WIRE 456 216 456 -8
WIRE 472 216 456 216
WIRE 1128 216 1128 200
WIRE 1128 216 1080 216
WIRE 1224 216 1224 184
WIRE 1224 216 1128 216
WIRE -1176 232 -1176 216
WIRE 56 232 56 216
WIRE 1224 232 1224 216
WIRE -1064 312 -1080 312
WIRE -984 312 -1000 312
WIRE -152 312 -152 216
WIRE -152 312 -280 312
WIRE 456 312 456 216
WIRE 472 312 456 312
WIRE 1224 328 1224 312
WIRE -216 408 -280 408
WIRE -56 408 -152 408
WIRE 120 408 -8 408
WIRE 472 408 120 408
WIRE 1096 408 1080 408
WIRE -56 424 -56 408
WIRE -8 424 -8 408
WIRE 120 424 120 408
WIRE -920 488 -920 472
WIRE -824 488 -824 472
WIRE -728 488 -728 472
WIRE -632 488 -632 472
WIRE -536 488 -536 472
WIRE -440 488 -440 472
WIRE 424 488 424 120
WIRE 536 488 536 472
WIRE 536 488 424 488
WIRE 824 488 824 472
WIRE -344 504 -344 472
WIRE 456 504 456 312
WIRE 632 504 632 472
WIRE 632 504 456 504
WIRE 728 504 728 472
WIRE 920 504 920 472
WIRE -56 520 -56 504
WIRE -8 520 -8 504
WIRE 120 520 120 504
WIRE -920 584 -920 568
WIRE -824 584 -824 568
WIRE -728 584 -728 568
WIRE -632 584 -632 568
WIRE -536 584 -536 568
WIRE -440 584 -440 568
WIRE 728 584 728 568
WIRE 824 584 824 568
WIRE 920 584 920 568
FLAG 1096 408 0
FLAG -40 136 0
FLAG 648 -488 0
FLAG 1256 -472 0
FLAG 1224 328 0
FLAG -1176 232 0
FLAG -1256 -472 0
FLAG -1256 -584 IN
FLAG 1256 -584 OUT
FLAG -1096 -168 0
FLAG 328 216 0
FLAG 56 312 0
FLAG -56 520 0
FLAG -1080 216 0
FLAG -1080 312 0
FLAG -920 584 0
FLAG -824 584 0
FLAG -728 584 0
FLAG -632 584 0
FLAG -536 584 0
FLAG -440 584 0
FLAG -344 504 0
FLAG -248 120 0
FLAG 40 -248 0
FLAG 360 -248 0
FLAG 776 -488 0
FLAG -152 -328 0
FLAG -232 -264 0
FLAG -312 -264 0
FLAG -488 -248 0
FLAG -632 -248 0
FLAG -680 -424 0
FLAG -840 -328 0
FLAG -872 -328 0
FLAG -536 -424 0
FLAG -376 -424 0
FLAG -376 -536 Vaux
FLAG -952 -536 INTVcc
FLAG -8 520 0
FLAG 120 520 0
FLAG 456 -8 Vaux
FLAG -952 -440 0
FLAG 8 120 0
FLAG 104 -24 INTVcc
FLAG 360 -8 0
FLAG 632 120 0
FLAG 728 120 0
FLAG 1016 24 0
FLAG 824 584 0
FLAG 728 584 0
FLAG 920 584 0
FLAG 584 -248 0
SYMBOL PowerProducts\\LT8311 776 312 R0
SYMATTR InstName U1
SYMBOL res -56 24 R0
SYMATTR InstName R1
SYMATTR Value 5m
SYMBOL ind2 -40 -584 R0
SYMATTR InstName L1
SYMATTR Value 216
SYMATTR Type ind
SYMATTR SpiceLine Rser=12m Rpar=5k
SYMBOL ind2 40 -584 M0
SYMATTR InstName L2
SYMATTR Value 216
SYMATTR Type ind
SYMATTR SpiceLine Rser=4.5m
SYMBOL ind2 392 -568 R270
SYMATTR InstName L3
SYMATTR Value 6.8
SYMATTR SpiceLine Rser=5m Rpar=10K
SYMATTR Type ind
SYMBOL cap 632 -568 R0
SYMATTR Value2 x2
SYMATTR Value 22
SYMATTR InstName C2
SYMATTR SpiceLine Rser=10m
SYMBOL res 1112 104 R0
SYMATTR Value 100K
SYMATTR InstName R2
SYMBOL res 1208 216 R0
SYMATTR InstName R3
SYMATTR Value 11.3K
SYMBOL res -1192 136 M180
SYMATTR InstName R4
SYMATTR Value 5.9K
SYMBOL res -1192 232 M180
SYMATTR InstName R5
SYMATTR Value 1.82K
SYMBOL voltage -1256 -584 R0
SYMATTR InstName V1
SYMATTR Value 30
SYMBOL res 1240 -584 R0
SYMATTR InstName Rload1
SYMATTR Value .96
SYMBOL cap -1080 -184 M90
SYMATTR InstName C3
SYMATTR Value 4.7
SYMBOL nmos -88 -248 R0
SYMATTR InstName M1
SYMATTR Value BSC077N12NS3
SYMBOL res -1192 40 M180
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL res 424 104 R90
SYMATTR InstName R7
SYMATTR Value 3.16K
SYMBOL res 88 88 M180
SYMATTR InstName R8
SYMATTR Value 100
SYMBOL res 40 328 M180
SYMATTR InstName R9
SYMATTR Value 1K
SYMBOL Optos\\PC817D 216 168 M0
SYMATTR InstName U3
SYMBOL cap 1208 184 M180
SYMATTR InstName C5
SYMATTR Value 68p
SYMBOL ind2 -72 520 M180
SYMATTR InstName L4
SYMATTR Value 785
SYMATTR Type ind
SYMATTR SpiceLine Rser=.6
SYMBOL cap -216 392 M90
SYMATTR InstName C6
SYMATTR Value 220p
SYMBOL res 104 408 R0
SYMATTR InstName R12
SYMATTR Value 560
SYMBOL PowerProducts\\LT3752 -632 120 R0
SYMATTR InstName U5
SYMBOL cap -1064 200 M90
SYMATTR InstName C8
SYMATTR Value .01
SYMBOL cap -1064 296 M90
SYMATTR InstName C9
SYMATTR Value .01
SYMBOL res -936 472 R0
SYMATTR InstName R13
SYMATTR Value 31.6K
SYMBOL res -840 472 R0
SYMATTR InstName R14
SYMATTR Value 71.5K
SYMBOL res -744 472 R0
SYMATTR InstName R15
SYMATTR Value 34K
SYMBOL res -648 472 R0
SYMATTR InstName R16
SYMATTR Value 49.9K
SYMBOL res -552 472 R0
SYMATTR InstName R17
SYMATTR Value 22.6K
SYMBOL res -456 472 R0
SYMATTR InstName R18
SYMATTR Value 7.32K
SYMBOL res -248 40 R270
SYMATTR InstName R19
SYMATTR Value 2K
SYMBOL nmos 88 -360 M0
SYMATTR Value BSC082N10LS
SYMATTR InstName M2
SYMBOL polcap 760 -568 R0
SYMATTR Value 470
SYMATTR InstName C10
SYMATTR SpiceLine V=16 Irms=825m Rser=0.084 Lser=0 mfg="United Chemi-Con" pn="LXF16VB471M10X16LL" type="Al electrolytic"
SYMATTR Description Capacitor
SYMATTR Type cap
SYMBOL cap -72 -472 R90
SYMATTR InstName C11
SYMATTR Value 15n
SYMBOL pmos -200 -440 R0
SYMATTR InstName M4
SYMATTR Value Si7113DN
SYMBOL cap -408 -328 R0
SYMATTR InstName C12
SYMATTR Value 100n
SYMBOL res -328 -360 R0
SYMATTR InstName R20
SYMATTR Value 10K
SYMBOL schottky -248 -344 R0
SYMATTR InstName D1
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind2 -648 -568 R0
SYMATTR InstName L6
SYMATTR Value 222
SYMATTR Type ind
SYMATTR SpiceLine Rser=1.6
SYMBOL nmos -584 -456 M0
SYMATTR InstName M5
SYMATTR Value Si7802DN
SYMBOL res -648 -360 R0
SYMATTR InstName R21
SYMATTR Value .15
SYMBOL res -664 -344 M0
SYMATTR InstName R22
SYMATTR Value 499
SYMBOL ind2 -664 -424 R180
SYMATTR InstName L8
SYMATTR Value 25.66
SYMATTR Type ind
SYMATTR SpiceLine Rser=.45
SYMBOL schottky -744 -552 R90
SYMATTR InstName D2
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -824 -328 R180
SYMATTR InstName R23
SYMATTR Value 1.1K
SYMBOL res -824 -424 R180
SYMATTR InstName R24
SYMATTR Value 10K
SYMBOL cap -888 -312 R0
SYMATTR Value 3.5n
SYMATTR SpiceLine Rser=25K Cpar=50p
SYMATTR InstName C13
SYMBOL ind2 -552 -424 M180
SYMATTR InstName L7
SYMATTR Value 25.66
SYMATTR Type ind
SYMATTR SpiceLine Rser=.65
SYMBOL schottky -472 -552 M90
SYMATTR InstName D3
SYMATTR Value BAT46WJ
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -392 -520 R0
SYMATTR InstName C14
SYMATTR Value 2.2
SYMBOL ind2 8 520 R180
SYMATTR InstName L5
SYMATTR Value 785
SYMATTR Type ind
SYMATTR SpiceLine Rser=.6
SYMBOL cap -968 -456 M180
SYMATTR InstName C15
SYMATTR Value 2.2
SYMBOL res -264 232 R270
SYMATTR InstName R25
SYMATTR Value 100K
SYMBOL res -152 232 R270
SYMATTR InstName R26
SYMATTR Value 100K
SYMBOL cap 88 104 R90
SYMATTR InstName C16
SYMATTR Value 1
SYMBOL cap 440 -24 R90
SYMATTR InstName C4
SYMATTR Value 4.7
SYMBOL res 1000 24 R0
SYMATTR InstName R11
SYMATTR Value 100
SYMBOL res 808 24 R0
SYMATTR InstName R27
SYMATTR Value 100
SYMBOL res 808 472 R0
SYMATTR Value 499K
SYMATTR InstName R10
SYMBOL cap 712 504 R0
SYMATTR InstName C1
SYMATTR Value .015
SYMBOL cap 904 504 R0
SYMATTR SpiceLine Rser=3.7K Cpar=68p
SYMATTR Value 2200p
SYMATTR InstName C7
SYMBOL nmos 312 -360 R0
SYMATTR Value BSC082N10LS
SYMATTR InstName M3
SYMBOL schottky 568 -280 M180
SYMATTR InstName D4
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode