* SPICE netlist
XU1 0 MP_01 MP_02 N014 N016 N019 MP_03 MP_04 N011 N009 N003 N008 N018 N015 N017 N010 LT8312 ;pnba GND)))Vref)OVP)Vc)))FB)DCM)Vin)EN/UVLO)INTVcc)Gate)Sense)Vin_sense
C1 N018 0 4.7
R1 N014 N016 100K
R2 N016 0 221K
Vline N001 N007 SINE(0 170 60)
D1 0 N001 RRE02VSM4S
C2 Vin 0 .01
R3 N003 N008 1Meg
R4 N008 0 95.3K
R5 Vin N010 1Meg
L1 Vin N012 400 Rpar=2K
M1 N012 N015 N017 N017 SPA11N60C3
R6 N017 0 10m
C3 N019 0 10n Rser=5K
D5 N012 Vout RF505TF6S
C4 Vout 0 560 x2 Rser=.1
L2 0 N006 25 Rpar=1K
C5 N006 N009 4.7p Rser=2K
C6 N003 0 10
D6 N005 N003 1N4148
R7 N006 N005 20
D7 N002 N003 1N4148
R8 Vin N002 200K
R9 Vout N011 3Meg
R10 N011 0 9.53K
Rload Vout 0 800
V2 N013 0 {390*precharge}
D8 N013 Vout Initial
V1 N004 0 {24*precharge}
D9 N004 N003 Initial
D2 N001 Vin RRE02VSM4S
D3 0 N007 RRE02VSM4S
D4 N007 Vin RRE02VSM4S
K1 L1 L2 1
.tran .1
+ Roff=1G epsilon=.5)
.param precharge=1

* LTspice schematic (.asc)
Version 4
SHEET 1 2240 816
WIRE -1040 -408 -1104 -408
WIRE -912 -408 -976 -408
WIRE -832 -408 -912 -408
WIRE -688 -408 -768 -408
WIRE -640 -408 -688 -408
WIRE -560 -408 -640 -408
WIRE -144 -408 -560 -408
WIRE 352 -408 -144 -408
WIRE -640 -392 -640 -408
WIRE -144 -392 -144 -408
WIRE -912 -328 -912 -408
WIRE -1104 -296 -1104 -408
WIRE -1104 -296 -1120 -296
WIRE -640 -296 -640 -328
WIRE -144 -296 -144 -312
WIRE 1008 -264 48 -264
WIRE 1120 -264 1072 -264
WIRE 1120 -248 1120 -264
WIRE -336 -232 -432 -232
WIRE -432 -216 -432 -232
WIRE -144 -216 -144 -232
WIRE 48 -216 48 -264
WIRE 48 -216 -144 -216
WIRE 112 -216 48 -216
WIRE 192 -216 176 -216
WIRE 288 -216 272 -216
WIRE 48 -200 48 -216
WIRE -1104 -184 -1104 -296
WIRE -1040 -184 -1104 -184
WIRE -912 -184 -912 -248
WIRE -912 -184 -976 -184
WIRE -832 -184 -912 -184
WIRE -688 -184 -688 -408
WIRE -688 -184 -768 -184
WIRE -336 -168 -336 -232
WIRE -144 -168 -144 -216
WIRE -144 -168 -336 -168
WIRE 1120 -152 1120 -168
WIRE -144 -136 -144 -168
WIRE -432 -120 -432 -136
WIRE -320 -120 -432 -120
WIRE 48 -120 48 -136
WIRE -432 -104 -432 -120
WIRE 288 -104 288 -216
WIRE 288 -104 192 -104
WIRE 288 -88 288 -104
WIRE 352 -88 352 -408
WIRE -560 -72 -560 -408
WIRE -320 -72 -320 -120
WIRE -304 -72 -320 -72
WIRE 112 -72 16 -72
WIRE 192 -72 192 -104
WIRE 192 -72 176 -72
WIRE -432 -8 -432 -24
WIRE 288 8 288 -8
WIRE -560 24 -560 8
WIRE -304 24 -560 24
WIRE 96 24 16 24
WIRE 352 24 352 -8
WIRE 448 24 352 24
WIRE 608 24 512 24
WIRE 720 24 608 24
WIRE 832 24 720 24
WIRE 1008 24 832 24
WIRE 1120 24 1072 24
WIRE 352 40 352 24
WIRE 720 40 720 24
WIRE 832 40 832 24
WIRE 1120 40 1120 24
WIRE 608 56 608 24
WIRE -304 120 -416 120
WIRE 304 120 16 120
WIRE 720 136 720 104
WIRE 832 136 832 120
WIRE 1120 136 1120 120
WIRE 96 152 96 24
WIRE 608 152 608 136
WIRE 608 152 96 152
WIRE 608 168 608 152
WIRE -416 216 -416 200
WIRE -304 216 -416 216
WIRE 352 216 352 136
WIRE 352 216 16 216
WIRE -416 232 -416 216
WIRE 352 232 352 216
WIRE 608 264 608 248
WIRE -304 312 -368 312
WIRE 96 312 16 312
WIRE -416 328 -416 312
WIRE -368 328 -368 312
WIRE 96 328 96 312
WIRE 352 328 352 312
WIRE -368 408 -368 392
WIRE -144 408 -144 376
WIRE 96 408 96 392
FLAG -144 408 0
FLAG -368 408 0
FLAG -416 328 0
FLAG -640 -296 0
FLAG -1120 -296 0
FLAG -432 -8 0
FLAG 352 328 0
FLAG 96 408 0
FLAG 720 136 0
FLAG 288 8 0
FLAG 48 -120 0
FLAG 608 264 0
FLAG 832 136 0
FLAG -640 -408 Vin
FLAG 832 24 Vout
FLAG 1120 136 0
FLAG 1120 -152 0
SYMBOL PowerProducts\\LT8312 -144 120 R0
SYMATTR InstName U1
SYMBOL cap -384 328 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL res -432 104 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL res -432 216 R0
SYMATTR InstName R2
SYMATTR Value 221K
SYMBOL VOLTAGE -912 -344 R0
SYMATTR Value SINE(0 170 60)
SYMATTR InstName Vline
SYMBOL diode -1040 -392 R270
SYMATTR InstName D1
SYMATTR Value RRE02VSM4S
SYMBOL cap -656 -392 R0
SYMATTR InstName C2
SYMATTR Value .01
SYMBOL res -448 -232 R0
SYMATTR InstName R3
SYMATTR Value 1Meg
SYMBOL res -448 -120 R0
SYMATTR InstName R4
SYMATTR Value 95.3K
SYMBOL res -576 -88 R0
SYMATTR InstName R5
SYMATTR Value 1Meg
SYMBOL ind2 368 -104 M0
SYMATTR InstName L1
SYMATTR Value 400
SYMATTR Type ind
SYMATTR SpiceLine Rpar=2K
SYMBOL NMOS 304 40 R0
SYMATTR InstName M1
SYMATTR Value SPA11N60C3
SYMBOL res 336 216 R0
SYMATTR InstName R6
SYMATTR Value 10m
SYMBOL cap 80 328 R0
SYMATTR Value 10n
SYMATTR SpiceLine Rser=5K
SYMATTR InstName C3
SYMBOL diode 448 40 R270
SYMATTR InstName D5
SYMATTR Value RF505TF6S
SYMBOL cap 704 40 R0
SYMATTR Value2 x2
SYMATTR Value 560
SYMATTR InstName C4
SYMATTR SpiceLine Rser=.1
SYMBOL ind2 272 8 M180
SYMATTR InstName L2
SYMATTR Value 25
SYMATTR Type ind
SYMATTR SpiceLine Rpar=1K
SYMBOL cap 176 -88 R90
SYMATTR InstName C5
SYMATTR Value 4.7p
SYMATTR SpiceLine Rser=2K
SYMBOL cap 32 -200 R0
SYMATTR InstName C6
SYMATTR Value 10
SYMBOL schottky 176 -232 R90
SYMATTR InstName D6
SYMATTR Value 1N4148
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 288 -232 R90
SYMATTR InstName R7
SYMATTR Value 20
SYMBOL schottky -160 -296 R0
SYMATTR InstName D7
SYMATTR Value 1N4148
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -160 -408 R0
SYMATTR InstName R8
SYMATTR Value 200K
SYMBOL res 592 40 R0
SYMATTR InstName R9
SYMATTR Value 3Meg
SYMBOL res 592 152 R0
SYMATTR InstName R10
SYMATTR Value 9.53K
SYMBOL res 816 24 R0
SYMATTR InstName Rload
SYMATTR Value 800
SYMBOL VOLTAGE 1120 24 R0
SYMATTR InstName V2
SYMATTR Value {390*precharge}
SYMBOL diode 1072 8 R90
SYMATTR InstName D8
SYMATTR Value Initial
SYMBOL VOLTAGE 1120 -264 R0
SYMATTR InstName V1
SYMATTR Value {24*precharge}
SYMBOL diode 1072 -280 R90
SYMATTR InstName D9
SYMATTR Value Initial
SYMBOL diode -832 -392 R270
SYMATTR InstName D2
SYMATTR Value RRE02VSM4S
SYMBOL diode -1040 -168 R270
SYMATTR InstName D3
SYMATTR Value RRE02VSM4S
SYMBOL diode -832 -168 R270
SYMATTR InstName D4
SYMATTR Value RRE02VSM4S