* SPICE netlist
L1 N005 N006 2.2 Rser=4.5m
M1 N001 N003 N005 N005 BSC034N03LS
M2 N005 N007 0 0 BSC034N03LS
M3 N006 N008 0 0 BSC034N03LS
M4 N002 N004 N006 N006 BSC034N03LS
C1 N005 N009 0.1
C2 N006 N010 0.1
D1 Vcc N009 RB160MM-90
D2 Vcc N010 RB160MM-90
R1 VIN N001 3m
R2 N002 VOUT 2m
V1 VIN 0 14
C3 Vcc 0 4.7
R3 N011 0 47.5k
C4 VOUT 0 100 m=3
R4 N013 0 73.2k
R5 N012 N014 10k
C5 N014 0 10n
C6 N012 0 100p
Rload VOUT 0 1
XU1 N007 0 N001 VIN VIN VIN N011 Vcc N013 N012 NC_01 0 VOUT VOUT N002 0 Vcc N008 N010 N004 N006 N005 N003 N009 MAX20048 SYNCOUT=0 SPREAD_SPECTRUM=0 SoftStart=2m AutoRetry=0.5m ;pnba DL1)AGND)CSN1)CSP1)IN)EN)SLP)FB)FSW)COMP)PGOOD)FSYNC/SYNCOUT)OUT)CSN2)CSP2)PGND)VCC)DL2)BST2)DH2)LX2)LX1)DH1)BST1
.tran 3m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1616 1312
WIRE -792 -640 -808 -640
WIRE -728 -640 -792 -640
WIRE -696 -640 -728 -640
WIRE -680 -640 -696 -640
WIRE -584 -640 -600 -640
WIRE -216 -640 -584 -640
WIRE 504 -640 88 -640
WIRE 520 -640 504 -640
WIRE 616 -640 600 -640
WIRE 648 -640 616 -640
WIRE 712 -640 648 -640
WIRE 760 -640 712 -640
WIRE 808 -640 760 -640
WIRE -216 -624 -216 -640
WIRE 88 -624 88 -640
WIRE -808 -608 -808 -640
WIRE 712 -608 712 -640
WIRE 808 -608 808 -640
WIRE -264 -544 -312 -544
WIRE 296 -544 136 -544
WIRE -216 -512 -216 -528
WIRE -216 -512 -408 -512
WIRE -40 -512 -216 -512
WIRE 88 -512 88 -528
WIRE 88 -512 40 -512
WIRE 328 -512 88 -512
WIRE -808 -496 -808 -528
WIRE -216 -496 -216 -512
WIRE 88 -496 88 -512
WIRE 712 -496 712 -544
WIRE 808 -496 808 -528
WIRE -408 -464 -408 -512
WIRE 328 -464 328 -512
WIRE -264 -416 -280 -416
WIRE 152 -416 136 -416
WIRE -216 -384 -216 -400
WIRE 88 -384 88 -400
WIRE -280 -336 -280 -416
WIRE -232 -336 -280 -336
WIRE -40 -336 -40 -512
WIRE -40 -336 -152 -336
WIRE 152 -336 152 -416
WIRE 152 -336 120 -336
WIRE 296 -288 296 -544
WIRE 296 -288 200 -288
WIRE -152 -272 -152 -336
WIRE -104 -272 -152 -272
WIRE 40 -272 40 -512
WIRE 40 -272 -24 -272
WIRE -312 -192 -312 -544
WIRE -232 -192 -232 -336
WIRE -152 -192 -152 -272
WIRE 40 -192 40 -272
WIRE 120 -192 120 -336
WIRE 200 -192 200 -288
WIRE -408 -112 -408 -400
WIRE -408 -112 -536 -112
WIRE -360 -112 -408 -112
WIRE 328 -112 328 -400
WIRE 328 -112 248 -112
WIRE 328 -96 328 -112
WIRE -536 -80 -536 -112
WIRE 328 -16 328 -32
WIRE 328 -16 312 -16
WIRE -584 16 -584 -640
WIRE -360 16 -584 16
WIRE 504 16 504 -640
WIRE 504 16 248 16
WIRE -696 64 -696 -640
WIRE -360 64 -696 64
WIRE 616 64 616 -640
WIRE 616 64 248 64
WIRE -728 144 -728 -640
WIRE -360 144 -728 144
WIRE 648 144 648 -640
WIRE 648 144 248 144
WIRE -536 224 -536 -16
WIRE -408 224 -536 224
WIRE -392 224 -408 224
WIRE -360 224 -392 224
WIRE -536 240 -536 224
WIRE 296 240 248 240
WIRE -536 320 -536 304
WIRE 296 320 296 240
WIRE 296 320 248 320
WIRE -408 336 -408 224
WIRE -360 336 -408 336
WIRE 296 352 296 320
WIRE 296 352 248 352
WIRE 296 384 296 352
WIRE -360 448 -456 448
WIRE 408 448 248 448
WIRE 504 448 408 448
WIRE -456 464 -456 448
WIRE 408 464 408 448
WIRE 296 512 248 512
WIRE 296 528 296 512
WIRE 504 528 504 448
WIRE -456 560 -456 544
WIRE 408 576 408 544
WIRE -728 608 -728 144
WIRE -200 608 -200 560
WIRE -200 608 -728 608
WIRE 296 656 296 608
WIRE 408 656 408 640
WIRE 504 656 504 592
FLAG 88 -384 0
FLAG -216 -384 0
FLAG 312 -16 Vcc
FLAG -808 -496 0
FLAG -536 320 0
FLAG -392 224 Vcc
FLAG -792 -640 VIN
FLAG -456 560 0
FLAG 712 -496 0
FLAG 296 384 0
FLAG 408 656 0
FLAG 296 656 0
FLAG 504 656 0
FLAG 760 -640 VOUT
FLAG 808 -496 0
SYMBOL ind -120 -256 R270
SYMATTR InstName L1
SYMATTR Value 2.2
SYMATTR SpiceLine Rser=4.5m
SYMBOL nmos -264 -624 R0
SYMATTR InstName M1
SYMATTR Value BSC034N03LS
SYMBOL nmos -264 -496 R0
SYMATTR InstName M2
SYMATTR Value BSC034N03LS
SYMBOL nmos 136 -496 M0
SYMATTR InstName M3
SYMATTR Value BSC034N03LS
SYMBOL nmos 136 -624 M0
SYMATTR InstName M4
SYMATTR Value BSC034N03LS
SYMBOL cap -424 -464 R0
SYMATTR InstName C1
SYMATTR Value 0.1
SYMBOL cap 312 -464 R0
SYMATTR InstName C2
SYMATTR Value 0.1
SYMBOL schottky -552 -16 M180
SYMATTR InstName D1
SYMATTR Value RB160MM-90
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 312 -32 M180
SYMATTR InstName D2
SYMATTR Value RB160MM-90
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -696 -656 M90
SYMATTR InstName R1
SYMATTR Value 3m
SYMBOL res 504 -656 M90
SYMATTR InstName R2
SYMATTR Value 2m
SYMBOL voltage -808 -624 R0
SYMATTR InstName V1
SYMATTR Value 14
SYMBOL cap -552 240 R0
SYMATTR InstName C3
SYMATTR Value 4.7
SYMBOL res -472 448 R0
SYMATTR InstName R3
SYMATTR Value 47.5k
SYMBOL cap 696 -608 R0
SYMATTR Value2 m=3
SYMATTR InstName C4
SYMATTR Value 100
SYMBOL res 280 512 R0
SYMATTR InstName R4
SYMATTR Value 73.2k
SYMBOL res 392 448 R0
SYMATTR InstName R5
SYMATTR Value 10k
SYMBOL cap 392 576 R0
SYMATTR InstName C5
SYMATTR Value 10n
SYMBOL cap 488 528 R0
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL res 792 -624 R0
SYMATTR InstName Rload
SYMATTR Value 1
SYMBOL MAX20048 -56 176 R0
SYMATTR InstName U1