* SPICE netlist
XU1 N009 VCC N005 N013 0 N019 N014 N007 N010 N017 N012 N006 N016 VCC N008 N015 LTC3723-1 ;pnba DRVB)VCC)DRVA)SDRA)GND)CT)SPRG)DPRG)CS)COMP)RLEB)FB)SS)UVLO)VREF)SDRB
MQ1 N001 N005 N011 N011 IRF7201
MQ2 N004 N009 N011 N011 IRF7201
R1 N011 0 75m
R2 N011 N010 100
C1 N019 0 270p
R3 N008 N007 200K
R4 N012 0 499k
C2 N016 0 100n
V1 IN 0 12
L1 N001 IN 1m Rser=10m Rpar=1K
L2 IN N004 1m Rser=10m Rpar=1K
L3 N002 N003 1m Rser=10m Rpar=1K
L4 N002 OUT 20 Rser=20m
L5 N003 OUT 20 Rser=20m
R5 OUT N006 15.8K
R6 N006 0 4.99k
C3 N006 N018 6.8n
R7 N018 N017 4.99k
C4 OUT 0 47 V=10 Irms=0 Rser=0.0027 Lser=800p Cpar=1p mfg="Wrth Elektronik" pn="885012108012 WCAP-CSGP 1206" type="X5R"
R8 N014 0 10K
C5 0 N010 1n
Rload OUT 0 2.5
D1 0 N003 DFLS220L
D2 0 N002 DFLS220L
R9 IN VCC 100
C6 VCC 0 1 V=25 Irms=5.65 Rser=0.00828976 Lser=0 mfg="KEMET" pn="C0805C105K3PAC" type="X5R"
C7 N002 0 4.7n Rser=9.09
C8 N003 0 4.7n Rser=9.09
C9 N004 0 4.7n Rser=9.09
C10 N001 0 4.7n Rser=9.09
K1 L1 L2 L3 0.9999
.tran 10m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 2544 832
WIRE 200 -416 -264 -416
WIRE 200 -368 200 -416
WIRE 616 -304 248 -304
WIRE 776 -304 616 -304
WIRE 952 -304 776 -304
WIRE 1128 -304 1032 -304
WIRE 1192 -304 1128 -304
WIRE 1272 -304 1192 -304
WIRE 616 -288 616 -304
WIRE 776 -288 776 -304
WIRE 1192 -288 1192 -304
WIRE 1272 -288 1272 -304
WIRE 248 -272 248 -304
WIRE 200 -240 200 -288
WIRE 200 -240 -1240 -240
WIRE 616 -208 616 -224
WIRE 776 -208 776 -224
WIRE 200 -192 200 -240
WIRE 1192 -192 1192 -224
WIRE 1272 -192 1272 -208
WIRE 248 -160 248 -192
WIRE 616 -160 248 -160
WIRE 776 -160 616 -160
WIRE 952 -160 776 -160
WIRE 1128 -160 1128 -304
WIRE 1128 -160 1032 -160
WIRE -264 -144 -264 -416
WIRE -136 -144 -264 -144
WIRE 616 -144 616 -160
WIRE 776 -144 776 -160
WIRE -1240 -128 -1240 -240
WIRE -1240 -128 -1272 -128
WIRE -1128 -128 -1240 -128
WIRE -984 -128 -1048 -128
WIRE -840 -128 -984 -128
WIRE -632 -128 -840 -128
WIRE -600 -128 -632 -128
WIRE -136 -112 -136 -144
WIRE -1240 -96 -1240 -128
WIRE -264 -96 -264 -144
WIRE -984 -80 -984 -128
WIRE 1128 -80 1128 -160
WIRE -632 -64 -632 -128
WIRE 616 -64 616 -80
WIRE 776 -64 776 -80
WIRE 200 -48 200 -112
WIRE 344 -48 200 -48
WIRE 200 -32 200 -48
WIRE -840 -16 -840 -128
WIRE -792 -16 -840 -16
WIRE -312 -16 -488 -16
WIRE -136 -16 -136 -48
WIRE 344 0 344 -48
WIRE -1240 16 -1240 -16
WIRE -984 16 -984 -16
WIRE 1128 16 1128 0
WIRE 1128 16 504 16
WIRE 1128 32 1128 16
WIRE -888 48 -904 48
WIRE -792 48 -808 48
WIRE 152 48 -488 48
WIRE 344 96 344 64
WIRE -904 112 -904 48
WIRE -792 112 -904 112
WIRE -424 112 -488 112
WIRE -376 112 -424 112
WIRE -264 112 -264 0
WIRE -264 112 -296 112
WIRE 200 112 200 64
WIRE 200 112 -264 112
WIRE -424 128 -424 112
WIRE 200 128 200 112
WIRE 1128 128 1128 112
WIRE -952 176 -968 176
WIRE -792 176 -872 176
WIRE -472 176 -488 176
WIRE -424 208 -424 192
WIRE 200 224 200 208
WIRE -888 240 -968 240
WIRE -792 240 -808 240
WIRE -472 240 -488 240
WIRE -936 304 -968 304
WIRE -792 304 -872 304
WIRE -472 304 -488 304
WIRE -376 304 -392 304
WIRE -872 368 -968 368
WIRE -792 368 -808 368
WIRE -376 368 -488 368
WIRE 504 368 504 16
WIRE 504 368 -376 368
WIRE -632 416 -632 400
FLAG 200 224 0
FLAG -968 368 0
FLAG -632 416 0
FLAG -968 176 0
FLAG -968 304 0
FLAG -1240 16 0
FLAG 1128 128 0
FLAG 1272 -192 0
FLAG 1192 -192 0
FLAG -968 240 0
FLAG -424 208 0
FLAG -1272 -128 IN
FLAG 1272 -304 OUT
FLAG 616 -208 0
FLAG 616 -64 0
FLAG -984 16 0
FLAG -600 -128 VCC
FLAG 776 -208 0
FLAG 776 -64 0
FLAG 344 96 0
FLAG -136 -16 0
SYMBOL LTC3723-1 -632 160 R0
SYMATTR InstName U1
SYMBOL nmos -312 -96 R0
SYMATTR InstName Q1
SYMATTR Value IRF7201
SYMBOL nmos 152 -32 R0
SYMATTR Value IRF7201
SYMATTR InstName Q2
SYMBOL res 184 112 R0
SYMATTR InstName R1
SYMATTR Value 75m
SYMBOL res -280 96 R90
SYMATTR InstName R2
SYMATTR Value 100
SYMBOL cap -808 352 R90
SYMATTR Value 270p
SYMATTR InstName C1
SYMBOL res -792 32 R90
SYMATTR InstName R3
SYMATTR Value 200K
SYMBOL res -856 160 R90
SYMATTR InstName R4
SYMATTR Value 499k
SYMBOL cap -872 288 R90
SYMATTR Value 100n
SYMATTR InstName C2
SYMBOL voltage -1240 -112 R0
SYMATTR Value 12
SYMATTR InstName V1
SYMBOL ind2 184 -384 R0
SYMATTR InstName L1
SYMATTR Value 1m
SYMATTR SpiceLine Rser=10m Rpar=1K
SYMATTR Type ind
SYMBOL ind2 184 -208 R0
SYMATTR InstName L2
SYMATTR Value 1m
SYMATTR SpiceLine Rser=10m Rpar=1K
SYMATTR Type ind
SYMBOL ind2 264 -288 M0
SYMATTR InstName L3
SYMATTR Value 1m
SYMATTR SpiceLine Rser=10m Rpar=1K
SYMATTR Type ind
SYMBOL ind 936 -288 R270
SYMATTR InstName L4
SYMATTR Value 20
SYMATTR SpiceLine Rser=20m
SYMBOL ind 936 -144 R270
SYMATTR InstName L5
SYMATTR Value 20
SYMATTR SpiceLine Rser=20m
SYMBOL res 1112 -96 R0
SYMATTR InstName R5
SYMATTR Value 15.8K
SYMBOL res 1112 16 R0
SYMATTR InstName R6
SYMATTR Value 4.99k
SYMBOL cap -392 368 M180
SYMATTR InstName C3
SYMATTR Value 6.8n
SYMBOL res -376 288 R90
SYMATTR InstName R7
SYMATTR Value 4.99k
SYMBOL cap 1176 -288 R0
SYMATTR InstName C4
SYMATTR Value 47
SYMATTR SpiceLine V=10 Irms=0 Rser=0.0027 Lser=800p Cpar=1p mfg="Wrth Elektronik" pn="885012108012 WCAP-CSGP 1206" type="X5R"
SYMBOL res -792 224 R90
SYMATTR InstName R8
SYMATTR Value 10K
SYMBOL cap -440 192 M180
SYMATTR InstName C5
SYMATTR Value 1n
SYMBOL res 1256 -304 R0
SYMATTR InstName Rload
SYMATTR Value 2.5
SYMBOL schottky 600 -80 M180
SYMATTR InstName D1
SYMATTR Value DFLS220L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 600 -224 M180
SYMATTR InstName D2
SYMATTR Value DFLS220L
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -1144 -144 M90
SYMATTR InstName R9
SYMATTR Value 100
SYMBOL cap -1000 -80 R0
SYMATTR InstName C6
SYMATTR Value 1
SYMATTR SpiceLine V=25 Irms=5.65 Rser=0.00828976 Lser=0 mfg="KEMET" pn="C0805C105K3PAC" type="X5R"
SYMBOL cap 760 -288 R0
SYMATTR Value 4.7n
SYMATTR SpiceLine Rser=9.09
SYMATTR InstName C7
SYMBOL cap 760 -144 R0
SYMATTR Value 4.7n
SYMATTR SpiceLine Rser=9.09
SYMATTR InstName C8
SYMBOL cap 328 0 R0
SYMATTR Value 4.7n
SYMATTR SpiceLine Rser=9.09
SYMATTR InstName C9
SYMBOL cap -152 -112 R0
SYMATTR Value 4.7n
SYMATTR SpiceLine Rser=9.09
SYMATTR InstName C10