* SPICE netlist
XU1 N016 N009 N008 N018 N018 N017 0 N028 N025 NC_01 0 N023 0 N003 N020 N012 N013 N015 N002 N019 N001 N014 N010 0 N021 N024 N026 N022 OUT OUT OUT IN IN IN N020 0 LT8705A ;pnba _SHDN)CSN)CSP)LDO)FBIN)FBOUT)IMON_OUT)VC)SS)CLKOUT)SYNC)RT)GND)BG1)GATEVCC)BG2)BOOST2)TG2)SW2)SWEN)SW1)TG1)BOOST1)MODE)SRVO_FBIN)SRVO_IIN)SRVO_IOUT)SRVO_FBOUT)ExtVcc)CSNOUT)CSPOUT)CSNIN)CSPIN)Vin)INTVCC)IMON_IN
V8 IN 0 36
C13 IN 0 440 Rser=30m
R14 N006 N014 2
R20 N004 N012 2
R21 N007 N015 2
R22 N005 0 10m
R23 N005 N008 10
R24 0 N009 10
C15 0 N008 1n
C16 N009 0 1n
C17 N001 N010 0.22
C18 N013 N002 0.22
C19 OUT 0 28.2
C20 OUT 0 440 Rser=30m
R25 N020 N026 100K
R26 N020 N024 100K
R27 N020 N022 100K
R28 N020 N021 100K
R29 OUT N017 388K
R30 N017 0 10K
R31 N011 N020 4
C21 N020 0 2.2 x2
C22 N018 0 1
R32 N019 N018 100K
R33 N016 IN 71.5K
R34 N016 0 20K
R35 0 N023 215K
C23 N027 0 3.3n
R36 N028 N027 56.2K
C24 N028 0 220p
C25 N025 0 5n
C26 0 IN 1
MQ5 IN N006 N001 N001 IRLR2908
L2 N001 N002 22 Rser=14.6m
MQ6 N001 N003 N005 N005 IRLR2908
MQ7 N002 N004 N005 N005 IRLR2908
MQ9 OUT N007 N002 N002 IRLR2908
D5 N011 N010 MURS120
D6 N011 N013 MURS120
R37 OUT 0 48
.tran 4m startup

* LTspice schematic (.asc)
Version 4.1
SHEET 1 1968 1376
WIRE -888 -688 -984 -688
WIRE -808 -688 -888 -688
WIRE -680 -688 -808 -688
WIRE -344 -688 -584 -688
WIRE -200 -688 -344 -688
WIRE -72 -688 -200 -688
WIRE 152 -688 8 -688
WIRE 296 -688 152 -688
WIRE 536 -688 296 -688
WIRE 680 -688 632 -688
WIRE 744 -688 680 -688
WIRE 824 -688 744 -688
WIRE 904 -688 824 -688
WIRE 984 -688 904 -688
WIRE -984 -672 -984 -688
WIRE 744 -672 744 -688
WIRE 824 -672 824 -688
WIRE 984 -672 984 -688
WIRE -808 -656 -808 -688
WIRE -200 -656 -200 -688
WIRE 152 -656 152 -688
WIRE -984 -576 -984 -592
WIRE -248 -576 -264 -576
WIRE 216 -576 200 -576
WIRE 744 -576 744 -608
WIRE 824 -576 824 -608
WIRE 984 -576 984 -592
WIRE -808 -560 -808 -592
WIRE -200 -528 -200 -560
WIRE -24 -528 -200 -528
WIRE 152 -528 152 -560
WIRE 152 -528 -24 -528
WIRE -24 -512 -24 -528
WIRE -24 -512 -136 -512
WIRE -24 -496 -24 -512
WIRE -600 -400 -600 -640
WIRE -136 -400 -136 -512
WIRE -24 -400 -24 -416
WIRE 72 -400 -24 -400
WIRE 216 -400 216 -576
WIRE 552 -400 552 -640
WIRE -24 -384 -24 -400
WIRE 72 -384 72 -400
WIRE -136 -288 -136 -320
WIRE -104 -288 -136 -288
WIRE -24 -288 -40 -288
WIRE -8 -288 -24 -288
WIRE 72 -288 72 -304
WIRE 72 -288 56 -288
WIRE -24 -256 -24 -288
WIRE 440 -224 -472 -224
WIRE 824 -224 504 -224
WIRE -472 -176 -472 -224
WIRE -440 -176 -472 -176
WIRE -344 -176 -344 -688
WIRE -344 -176 -376 -176
WIRE -264 -176 -264 -576
WIRE -216 -176 -264 -176
WIRE 216 -176 216 -320
WIRE 216 -176 168 -176
WIRE 296 -176 296 -688
WIRE 328 -176 296 -176
WIRE 424 -176 392 -176
WIRE 728 -176 424 -176
WIRE 824 -176 824 -224
WIRE 824 -176 792 -176
WIRE -136 -160 -136 -288
WIRE -88 -160 -136 -160
WIRE 72 -160 72 -288
WIRE 72 -160 40 -160
WIRE -600 -128 -600 -320
WIRE -472 -128 -472 -176
WIRE -344 -128 -344 -176
WIRE -216 -128 -216 -176
WIRE -88 -128 -88 -160
WIRE 40 -128 40 -160
WIRE 168 -128 168 -176
WIRE 296 -128 296 -176
WIRE 424 -128 424 -176
WIRE 552 -128 552 -320
WIRE 824 -96 824 -176
WIRE -888 -64 -888 -688
WIRE -760 -64 -888 -64
WIRE -680 -64 -760 -64
WIRE -648 -64 -680 -64
WIRE 680 -64 680 -688
WIRE 680 -64 600 -64
WIRE -760 -48 -760 -64
WIRE -888 -16 -888 -64
WIRE -680 0 -680 -64
WIRE -648 0 -680 0
WIRE 680 0 680 -64
WIRE 680 0 600 0
WIRE -760 32 -760 16
WIRE 904 32 904 -688
WIRE -680 64 -680 0
WIRE -648 64 -680 64
WIRE 680 64 680 0
WIRE 680 64 600 64
WIRE -888 128 -888 64
WIRE -648 128 -888 128
WIRE 904 128 904 112
WIRE 904 128 600 128
WIRE 904 144 904 128
WIRE -888 160 -888 128
WIRE -744 192 -760 192
WIRE -648 192 -664 192
WIRE 824 192 824 -16
WIRE 824 192 600 192
WIRE 904 240 904 224
WIRE -888 256 -888 240
WIRE -760 256 -760 192
WIRE -648 256 -760 256
WIRE 824 256 824 192
WIRE 824 256 600 256
WIRE -648 320 -696 320
WIRE 712 320 600 320
WIRE 824 320 824 256
WIRE 824 320 792 320
WIRE 840 320 824 320
WIRE 920 320 904 320
WIRE -856 384 -888 384
WIRE -760 384 -760 256
WIRE -760 384 -792 384
WIRE -648 384 -760 384
WIRE 632 384 600 384
WIRE 824 384 824 320
WIRE 824 384 712 384
WIRE -808 448 -824 448
WIRE -648 448 -728 448
WIRE 712 448 600 448
WIRE 824 448 824 384
WIRE 824 448 792 448
WIRE -744 512 -760 512
WIRE -648 512 -680 512
WIRE 632 512 600 512
WIRE 824 512 824 448
WIRE 824 512 712 512
WIRE -872 576 -936 576
WIRE -744 576 -792 576
WIRE -648 576 -744 576
WIRE 616 576 600 576
WIRE -936 592 -936 576
WIRE -744 592 -744 576
WIRE 616 640 600 640
WIRE -936 672 -936 656
WIRE -744 672 -744 656
WIRE -392 688 -392 672
WIRE 296 688 296 672
FLAG -888 256 0
FLAG -760 32 0
FLAG -888 384 0
FLAG -824 448 0
FLAG -760 512 0
FLAG -744 672 0
FLAG -936 672 0
FLAG -392 688 0
FLAG -24 -384 0
FLAG 984 -688 OUT
FLAG 824 -576 0
FLAG 984 -576 0
FLAG 904 240 0
FLAG -984 -576 0
FLAG 744 -576 0
FLAG -24 -256 0
FLAG -696 320 0
FLAG 296 688 0
FLAG -808 -560 0
FLAG 920 320 0
FLAG 616 576 0
FLAG 616 640 0
FLAG -984 -688 IN
SYMBOL LT8705A -72 272 R0
SYMATTR InstName U1
SYMBOL voltage -984 -688 R0
SYMATTR InstName V8
SYMATTR Value 36
SYMBOL cap -824 -656 R0
SYMATTR InstName C13
SYMATTR Value 440
SYMATTR SpiceLine Rser=30m
SYMBOL res -616 -416 R0
SYMATTR InstName R14
SYMATTR Value 2
SYMBOL res 200 -416 R0
SYMATTR InstName R20
SYMATTR Value 2
SYMBOL res 536 -416 R0
SYMATTR InstName R21
SYMATTR Value 2
SYMBOL res -40 -512 R0
SYMATTR InstName R22
SYMATTR Value 10m
SYMBOL res -152 -416 R0
SYMATTR InstName R23
SYMATTR Value 10
SYMBOL res 56 -400 R0
SYMATTR InstName R24
SYMATTR Value 10
SYMBOL cap -40 -304 R90
SYMATTR InstName C15
SYMATTR Value 1n
SYMBOL cap 56 -304 R90
SYMATTR InstName C16
SYMATTR Value 1n
SYMBOL cap -376 -192 R90
SYMATTR InstName C17
SYMATTR Value 0.22
SYMBOL cap 392 -192 R90
SYMATTR InstName C18
SYMATTR Value 0.22
SYMBOL cap 728 -672 R0
SYMATTR InstName C19
SYMATTR Value 28.2
SYMBOL cap 808 -672 R0
SYMATTR InstName C20
SYMATTR Value 440
SYMATTR SpiceLine Rser=30m
SYMBOL res 728 496 R90
SYMATTR InstName R25
SYMATTR Value 100K
SYMBOL res 808 464 M270
SYMATTR InstName R26
SYMATTR Value 100K
SYMBOL res 728 368 R90
SYMATTR InstName R27
SYMATTR Value 100K
SYMBOL res 808 336 M270
SYMATTR InstName R28
SYMATTR Value 100K
SYMBOL res 888 16 R0
SYMATTR InstName R29
SYMATTR Value 388K
SYMBOL res 888 128 R0
SYMATTR InstName R30
SYMATTR Value 10K
SYMBOL res 808 -112 R0
SYMATTR InstName R31
SYMATTR Value 4
SYMBOL cap 840 304 M90
SYMATTR InstName C21
SYMATTR Value 2.2
SYMATTR SpiceLine2 x2
SYMBOL cap -792 368 R90
SYMATTR InstName C22
SYMATTR Value 1
SYMBOL res -648 176 R90
SYMATTR InstName R32
SYMATTR Value 100K
SYMBOL res -904 80 M180
SYMATTR InstName R33
SYMATTR Value 71.5K
SYMBOL res -904 144 R0
SYMATTR InstName R34
SYMATTR Value 20K
SYMBOL res -824 464 R270
SYMATTR InstName R35
SYMATTR Value 215K
SYMBOL cap -952 592 R0
SYMATTR InstName C23
SYMATTR Value 3.3n
SYMBOL res -776 560 R90
SYMATTR InstName R36
SYMATTR Value 56.2K
SYMBOL cap -760 592 R0
SYMATTR InstName C24
SYMATTR Value 220p
SYMBOL cap -680 528 M270
SYMATTR InstName C25
SYMATTR Value 5n
SYMBOL cap -776 16 M180
SYMATTR InstName C26
SYMATTR Value 1
SYMBOL nmos -680 -640 R270
SYMATTR InstName Q5
SYMATTR Value IRLR2908
SYMBOL ind -88 -672 R270
SYMATTR InstName L2
SYMATTR Value 22
SYMATTR SpiceLine Rser=14.6m
SYMBOL nmos -248 -656 R0
SYMATTR InstName Q6
SYMATTR Value IRLR2908
SYMBOL nmos 200 -656 M0
SYMATTR InstName Q7
SYMATTR Value IRLR2908
SYMBOL nmos 632 -640 M270
SYMATTR InstName Q9
SYMATTR Value IRLR2908
SYMBOL diode 504 -208 M270
SYMATTR InstName D5
SYMATTR Value MURS120
SYMBOL diode 792 -160 M270
SYMATTR InstName D6
SYMATTR Value MURS120
SYMBOL res 968 -688 R0
SYMATTR InstName R37
SYMATTR Value 48