* SPICE netlist
MQ1 N002 N010 N007 N007 Si4410DY
R1 N010 N013 10
C1 N014 0 390p
R2 N012 N011 330
C2 N011 0 .1
C3 N012 0 .047
R3 N009 0 5.36K
R4 N008 N009 16.2K
D1 N003 N008 BAV21
C4 N003 0 1000p
R5 N004 N003 499
C5 N013 0 1
XU1 N007 N009 N012 0 N014 N005 N013 LT1103 ;pnba SW)FB)Vc)GND)OSC)Vin)15V
L1 IN N002 1.6m Rpar=1000K
L2 0 N004 55 Rpar=100K
L3 0 N001 4 Rpar=10K
D2 N001 OUT 1N5818
C6 OUT 0 3600
R6 N004 N006 100
V1 IN 0 175.5
C7 N005 0 39
D3 N006 N005 BAV21
R7 IN N005 220K
D4 N007 N005 1N4148
Rload OUT 0 1
.tran 1200m startup
K1 L1 L2 L3 1

* LTspice schematic (.asc)
Version 4
SHEET 1 1136 736
WIRE -200 -368 -520 -368
WIRE 200 -368 -200 -368
WIRE 328 -368 248 -368
WIRE 440 -368 392 -368
WIRE 568 -368 440 -368
WIRE -520 -352 -520 -368
WIRE 200 -352 200 -368
WIRE 248 -352 248 -368
WIRE 440 -352 440 -368
WIRE 568 -352 568 -368
WIRE -200 -336 -200 -368
WIRE -520 -256 -520 -272
WIRE 200 -256 200 -272
WIRE 200 -256 104 -256
WIRE 440 -256 440 -288
WIRE 568 -256 568 -272
WIRE 248 -240 248 -272
WIRE -472 -224 -552 -224
WIRE -408 -224 -472 -224
WIRE 40 -224 -328 -224
WIRE 200 -224 40 -224
WIRE -472 -208 -472 -224
WIRE 200 -192 200 -224
WIRE -200 -160 -200 -256
WIRE -200 -160 -312 -160
WIRE -184 -160 -200 -160
WIRE -72 -160 -120 -160
WIRE 40 -160 40 -224
WIRE 40 -160 8 -160
WIRE -552 -144 -552 -224
WIRE -312 -144 -312 -160
WIRE -472 -128 -472 -144
WIRE -200 -80 -200 -160
WIRE -152 -80 -200 -80
WIRE -24 -80 -88 -80
WIRE 200 -80 200 -112
WIRE -552 -64 -552 -80
WIRE -312 -48 -312 -80
WIRE -200 -16 -200 -80
WIRE -552 48 -552 16
WIRE -344 48 -552 48
WIRE -24 48 -24 -80
WIRE -24 48 -56 48
WIRE -8 48 -24 48
WIRE 104 48 104 -256
WIRE 104 48 88 48
WIRE -552 64 -552 48
WIRE 8 112 8 96
WIRE -552 160 -552 144
WIRE -520 208 -552 208
WIRE -408 208 -440 208
WIRE -344 208 -408 208
WIRE 8 208 8 192
WIRE 8 208 -56 208
WIRE -552 224 -552 208
WIRE -408 224 -408 208
WIRE 8 224 8 208
WIRE -264 288 -264 272
WIRE -136 288 -136 272
WIRE -552 304 -552 288
WIRE -408 304 -408 288
WIRE 8 304 8 288
WIRE -264 368 -264 352
FLAG -136 288 0
FLAG -264 368 0
FLAG -552 304 0
FLAG -408 304 0
FLAG -552 160 0
FLAG -472 -128 0
FLAG 8 304 0
FLAG 200 -80 0
FLAG 248 -240 0
FLAG 440 -256 0
FLAG 568 -256 0
FLAG -520 -256 0
FLAG -312 -48 0
FLAG 568 -368 OUT
FLAG -520 -368 IN
SYMBOL NMOS 88 96 M270
SYMATTR InstName Q1
SYMATTR Value Si4410DY
SYMBOL RES -8 96 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL cap -280 288 R0
SYMATTR InstName C1
SYMATTR Value 390p
SYMBOL res -424 192 R90
SYMATTR InstName R2
SYMATTR Value 330
SYMBOL cap -568 224 R0
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL cap -424 224 R0
SYMATTR InstName C3
SYMATTR Value .047
SYMBOL res -568 48 R0
SYMATTR InstName R3
SYMATTR Value 5.36K
SYMBOL res -568 -80 R0
SYMATTR InstName R4
SYMATTR Value 16.2K
SYMBOL diode -568 -144 R0
SYMATTR InstName D1
SYMATTR Value BAV21
SYMBOL cap -488 -208 R0
SYMATTR InstName C4
SYMATTR Value 1000p
SYMBOL res -312 -240 R90
SYMATTR InstName R5
SYMATTR Value 499
SYMBOL polcap -8 224 R0
SYMATTR InstName C5
SYMATTR Value 1
SYMBOL POWERPRODUCTS\\LT1103 -200 128 R0
SYMATTR InstName U1
SYMBOL ind2 184 -368 R0
SYMATTR InstName L1
SYMATTR Value 1.6m
SYMATTR SpiceLine Rpar=1000K
SYMBOL ind2 184 -96 M180
SYMATTR InstName L2
SYMATTR Value 55
SYMATTR SpiceLine Rpar=100K
SYMBOL ind2 264 -256 R180
SYMATTR InstName L3
SYMATTR Value 4
SYMATTR SpiceLine Rpar=10K
SYMBOL schottky 328 -352 R270
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL polcap 424 -352 R0
SYMATTR InstName C6
SYMATTR Value 3600
SYMBOL res 24 -176 R90
SYMATTR InstName R6
SYMATTR Value 100
SYMBOL VOLTAGE -520 -368 R0
SYMATTR InstName V1
SYMATTR Value 175.5
SYMBOL polcap -328 -144 R0
SYMATTR InstName C7
SYMATTR Value 39
SYMBOL diode -120 -176 R90
SYMATTR InstName D3
SYMATTR Value BAV21
SYMBOL res -216 -352 R0
SYMATTR InstName R7
SYMATTR Value 220K
SYMBOL diode -88 -96 R90
SYMATTR InstName D4
SYMATTR Value 1N4148
SYMBOL res 552 -368 R0
SYMATTR InstName Rload
SYMATTR Value 1