* SPICE netlist
XU1 IN MP_01 N003 N005 N007 N007 N011 OUT N012 0 N009 N001 MP_02 N008 N006 N002 0 LT3800 ;pnba Vin))_SHDN)Css)Burst_EN)FB)Vc)Sense-)Sense+)PGND)BG)Vcc))SW)TG)Boost)SGND
MQ1 IN N006 N008 N008 Si4886DY
MQ2 N008 N009 0 0 Si4886DY
D1 N001 N002 MBRS140
C1 N002 N008 1
R1 IN N003 1Meg
R2 N011 N010 82.5K
C2 N010 0 680p
D2 0 N008 MBRS1100
L1 N008 N012 15 Rpar=2K
R3 N012 OUT 15m
R4 N007 0 20K
R5 N007 OUT 174K
R6 N004 OUT 200K
C3 N005 N004 {.0015/10}
C4 OUT 0 100
Rload OUT 0 10
V1 IN 0 36
D3 OUT N001 1N4148
.tran 1.5m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1168 800
WIRE -280 -400 -392 -400
WIRE -104 -400 -280 -400
WIRE 296 -400 -104 -400
WIRE -392 -384 -392 -400
WIRE -280 -352 -280 -400
WIRE 200 -352 24 -352
WIRE 584 -352 264 -352
WIRE 24 -304 24 -352
WIRE 72 -304 24 -304
WIRE 184 -304 136 -304
WIRE -392 -288 -392 -304
WIRE -104 -256 -104 -400
WIRE 24 -256 24 -304
WIRE -280 -208 -280 -272
WIRE -232 -208 -280 -208
WIRE 184 -208 184 -304
WIRE 184 -208 152 -208
WIRE 296 -208 296 -400
WIRE -488 -128 -504 -128
WIRE -344 -128 -408 -128
WIRE -232 -128 -280 -128
WIRE 248 -128 152 -128
WIRE -408 -48 -424 -48
WIRE -296 -48 -328 -48
WIRE -232 -48 -296 -48
WIRE 184 -48 184 -144
WIRE 184 -48 152 -48
WIRE 296 -48 296 -112
WIRE 296 -48 184 -48
WIRE 344 -48 296 -48
WIRE 504 -48 344 -48
WIRE 344 0 344 -48
WIRE 504 16 504 -48
WIRE -504 32 -504 -128
WIRE -472 32 -504 32
WIRE -296 32 -296 -48
WIRE -296 32 -392 32
WIRE -232 32 -296 32
WIRE 248 32 152 32
WIRE -408 112 -440 112
WIRE -328 112 -344 112
WIRE -232 112 -248 112
WIRE 296 112 296 48
WIRE 296 112 152 112
WIRE 344 112 344 64
WIRE 344 112 296 112
WIRE 296 128 296 112
WIRE -232 192 -264 192
WIRE 200 192 152 192
WIRE 504 192 504 96
WIRE 504 192 200 192
WIRE -40 256 -40 240
WIRE -504 288 -504 32
WIRE -504 288 -568 288
WIRE -264 288 -264 192
WIRE -264 288 -504 288
WIRE -136 288 -264 288
WIRE 40 288 -136 288
WIRE 200 288 200 192
WIRE 200 288 120 288
WIRE -568 304 -568 288
WIRE -264 304 -264 288
WIRE -136 336 -136 288
WIRE 584 336 584 -352
WIRE 584 336 -136 336
WIRE -568 400 -568 384
WIRE -264 400 -264 368
FLAG 296 128 0
FLAG -440 112 0
FLAG -40 256 0
FLAG -424 -48 0
FLAG -264 400 0
FLAG -568 400 0
FLAG -392 -288 0
FLAG -568 288 OUT
FLAG -392 -400 IN
SYMBOL PowerProducts\\LT3800 -40 -16 R0
SYMATTR InstName U1
SYMBOL nmos 248 -208 R0
SYMATTR InstName Q1
SYMATTR Value Si4886DY
SYMBOL nmos 248 -48 R0
SYMATTR InstName Q2
SYMATTR Value Si4886DY
SYMBOL schottky 72 -288 R270
SYMATTR InstName D1
SYMATTR Value MBRS140
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 168 -208 R0
SYMATTR InstName C1
SYMATTR Value 1
SYMBOL res -296 -368 R0
SYMATTR InstName R1
SYMATTR Value 1Meg
SYMBOL res -232 96 R90
SYMATTR InstName R2
SYMATTR Value 82.5K
SYMBOL cap -344 96 R90
SYMATTR InstName C2
SYMATTR Value 680p
SYMBOL schottky 328 64 M180
SYMATTR InstName D2
SYMATTR Value MBRS1100
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL ind 488 0 R0
SYMATTR InstName L1
SYMATTR Value 15
SYMATTR SpiceLine Rpar=2K
SYMBOL res 136 272 R90
SYMATTR InstName R3
SYMATTR Value 15m
SYMBOL res -312 -64 R90
SYMATTR InstName R4
SYMATTR Value 20K
SYMBOL res -376 16 R90
SYMATTR InstName R5
SYMATTR Value 174K
SYMBOL res -392 -144 R90
SYMATTR InstName R6
SYMATTR Value 200K
SYMBOL cap -280 -144 R90
SYMATTR InstName C3
SYMATTR Value {.0015/10}
SYMBOL cap -280 304 R0
SYMATTR InstName C4
SYMATTR Value 100
SYMBOL res -584 288 R0
SYMATTR InstName Rload
SYMATTR Value 10
SYMBOL voltage -392 -400 R0
SYMATTR Value 36
SYMATTR InstName V1
SYMBOL diode 264 -368 R90
SYMATTR InstName D3
SYMATTR Value 1N4148