* SPICE netlist
MQ1 IN N006 N008 N008 Si7850DP
MQ2 N008 N011 0 0 Si7850DP
V1 N001 0 5
V2 IN 0 33
L1 N008 OUT 8
C1 OUT 0 270 Rser=10m
R1 N009 0 12K
R2 N002 0 30K
R3 N005 N004 10K
C2 N004 N007 1000p
C3 N010 0 .001
C4 N003 N008 .1
D1 0 N008 1N5817
C5 N005 N007 470p
D2 N001 N003 1N5817
XU1 N001 N002 N005 N007 N009 0 N010 0 0 N011 N001 N001 N008 N006 N003 IN LTC3703-5 ;pnba Mode)Fset)Comp)FB)Imax)INV)Run/SS)GND)BGRTN)BG)DRVcc)VCC)SW)TG)Boost)Vin
R4 N007 OUT 113K
C6 OUT N007 2200p Rser=100
R5 N007 0 21.5K
Rload OUT 0 1
.tran 2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1216 688
WIRE -272 -344 -464 -344
WIRE 208 -344 -272 -344
WIRE -464 -328 -464 -344
WIRE -272 -296 -272 -344
WIRE -240 -296 -272 -296
WIRE 288 -296 80 -296
WIRE 464 -296 288 -296
WIRE 464 -280 464 -296
WIRE -464 -232 -464 -248
WIRE -352 -216 -368 -216
WIRE -240 -216 -272 -216
WIRE 112 -216 80 -216
WIRE 128 -216 112 -216
WIRE 208 -216 208 -344
WIRE 208 -216 192 -216
WIRE 288 -216 288 -296
WIRE 464 -184 464 -200
WIRE -432 -136 -496 -136
WIRE -320 -136 -352 -136
WIRE -240 -136 -320 -136
WIRE 240 -136 80 -136
WIRE 112 -120 112 -216
WIRE -592 -56 -608 -56
WIRE -496 -56 -496 -72
WIRE -496 -56 -512 -56
WIRE -320 -56 -320 -72
WIRE -320 -56 -496 -56
WIRE -240 -56 -320 -56
WIRE 112 -56 80 -56
WIRE 288 -56 288 -120
WIRE 288 -56 112 -56
WIRE 320 -56 288 -56
WIRE 448 -56 400 -56
WIRE 512 -56 448 -56
WIRE 608 -56 512 -56
WIRE 512 -40 512 -56
WIRE 608 -40 608 -56
WIRE -352 24 -368 24
WIRE -240 24 -272 24
WIRE 208 24 208 -216
WIRE 208 24 80 24
WIRE 288 56 288 -56
WIRE 320 56 288 56
WIRE 400 56 384 56
WIRE 512 56 512 24
WIRE 608 56 608 40
WIRE -240 104 -272 104
WIRE 208 104 208 24
WIRE 208 104 80 104
WIRE 288 104 288 56
WIRE -352 184 -368 184
WIRE -240 184 -288 184
WIRE 240 184 80 184
WIRE 448 200 448 -56
WIRE 544 200 448 200
WIRE 288 216 288 200
WIRE 448 232 448 200
WIRE 544 232 544 200
WIRE -240 264 -272 264
WIRE 112 264 80 264
WIRE -496 344 -496 -56
WIRE 448 344 448 312
WIRE 448 344 -496 344
WIRE 544 344 544 296
WIRE 544 344 448 344
FLAG 464 -184 0
FLAG 288 216 0
FLAG 112 264 0
FLAG -272 264 0
FLAG -464 -232 0
FLAG 512 56 0
FLAG 608 56 0
FLAG -368 24 0
FLAG -368 -216 0
FLAG -368 184 0
FLAG 400 56 0
FLAG 608 -56 OUT
FLAG -272 104 0
FLAG -608 -56 0
FLAG 464 -296 IN
SYMBOL nmos 240 -216 R0
SYMATTR InstName Q1
SYMATTR Value Si7850DP
SYMBOL nmos 240 104 R0
SYMATTR InstName Q2
SYMATTR Value Si7850DP
SYMBOL voltage -464 -344 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL voltage 464 -296 R0
SYMATTR InstName V2
SYMATTR Value 33
SYMBOL ind 304 -40 R270
SYMATTR InstName L1
SYMATTR Value 8
SYMBOL cap 496 -40 R0
SYMATTR Value 270
SYMATTR SpiceLine Rser=10m
SYMATTR InstName C1
SYMBOL res -256 8 R90
SYMATTR InstName R1
SYMATTR Value 12K
SYMBOL res -256 -232 R90
SYMATTR InstName R2
SYMATTR Value 30K
SYMBOL res -336 -152 R90
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL cap -512 -136 R0
SYMATTR InstName C2
SYMATTR Value 1000p
SYMBOL cap -288 168 R90
SYMATTR InstName C3
SYMATTR Value .001
SYMBOL cap 96 -120 R0
SYMATTR InstName C4
SYMATTR Value .1
SYMBOL schottky 384 72 M270
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -336 -136 R0
SYMATTR InstName C5
SYMATTR Value 470p
SYMBOL schottky 192 -200 M270
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL PowerProducts\\LTC3703-5 -80 -8 R0
SYMATTR InstName U1
SYMBOL res 432 328 M180
SYMATTR InstName R4
SYMATTR Value 113K
SYMBOL cap 528 232 R0
SYMATTR SpiceLine Rser=100
SYMATTR InstName C6
SYMATTR Value 2200p
SYMBOL res -496 -72 R90
SYMATTR InstName R5
SYMATTR Value 21.5K
SYMBOL res 592 -56 R0
SYMATTR InstName Rload
SYMATTR Value 1