* SPICE netlist
MQ1 IN N003 N005 N005 FDS6680A
MQ2 N005 N011 0 0 FDS6680A
C1 N006 N005 .1
C2 N001 0 1
L1 N005 N009 6.3 Rpar=10000
C3 N009 OUT1 1000p
R1 N013 0 20K
R2 N013 OUT1 105K
C4 OUT1 0 47 Rser=50m
C5 N016 N015 220p
C6 N019 0 .001
R3 N015 0 15K
V1 IN 0 7
MQ3 IN N004 N008 N008 FDS6680A
MQ4 N008 N012 0 0 FDS6680A
C7 N007 N008 .1
R4 N010 OUT2 .01
C8 N010 OUT2 1000p
R5 N014 0 20K
R6 N014 OUT2 63.4K
C9 OUT2 0 47 Rser=50m
C10 N017 N018 220p
C11 N020 0 .001
R7 N018 0 15K
L2 N008 N010 6.3 Rpar=10000
R8 N009 OUT1 .01
R9 OUT1 N023 10K
XU1 N019 N009 OUT1 N013 N024 N025 N021 N016 0 N022 N017 N014 OUT2 N010 N020 N004 N008 N007 N012 0 N001 N002 N011 IN N006 N005 N003 N023 LTC1628-PG ;pnba Run/SS1)Sense1+)Sense1-)Vosense1)FreqSet)STBYMD)FCB)Ith1)SGND)3.3Vout)Ith2)Vosense2)Sense2-)Sense2+)Run/SS2)TG2)SW2)Boost2)BG2)PGND)INTVcc)EXTVcc)BG1)Vin)Boost1)SW1)TG1)Pgood
Rload2 OUT2 0 2
Rload1 OUT1 0 2
D1 N001 N006 1N5817
D3 N001 N007 1N5817
D2 0 N005 1N5817
D4 0 N008 1N5817
.tran 2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1920 1296
WIRE -464 -648 -736 -648
WIRE -96 -648 -464 -648
WIRE 528 -648 -96 -648
WIRE -736 -632 -736 -648
WIRE -208 -616 -288 -616
WIRE 48 -616 -208 -616
WIRE 320 -616 48 -616
WIRE -208 -600 -208 -616
WIRE 320 -568 320 -616
WIRE -736 -536 -736 -552
WIRE -288 -520 -288 -616
WIRE -208 -520 -208 -536
WIRE -464 -504 -464 -648
WIRE -96 -504 -96 -648
WIRE 48 -504 48 -616
WIRE 192 -504 192 -520
WIRE 528 -504 528 -648
WIRE -176 -424 -416 -424
WIRE 480 -424 272 -424
WIRE -464 -328 -464 -408
WIRE -416 -328 -464 -328
WIRE -288 -328 -288 -456
WIRE -288 -328 -352 -328
WIRE -176 -328 -288 -328
WIRE 320 -328 320 -504
WIRE 320 -328 272 -328
WIRE 368 -328 320 -328
WIRE 528 -328 528 -408
WIRE 528 -328 432 -328
WIRE -736 -232 -816 -232
WIRE -576 -232 -656 -232
WIRE -464 -232 -464 -328
WIRE -464 -232 -576 -232
WIRE -176 -232 -464 -232
WIRE 528 -232 528 -328
WIRE 528 -232 272 -232
WIRE 672 -232 528 -232
WIRE 736 -232 672 -232
WIRE 848 -232 816 -232
WIRE -464 -216 -464 -232
WIRE 528 -216 528 -232
WIRE -576 -184 -576 -232
WIRE 672 -184 672 -232
WIRE -176 -136 -416 -136
WIRE 480 -136 272 -136
WIRE -576 -104 -576 -120
WIRE 528 -88 528 -120
WIRE 672 -88 672 -120
WIRE -464 -72 -464 -120
WIRE -816 -40 -816 -232
WIRE -336 -40 -816 -40
WIRE -176 -40 -336 -40
WIRE 384 -40 272 -40
WIRE 848 -40 848 -232
WIRE 848 -40 384 -40
WIRE -336 -24 -336 -40
WIRE 384 -24 384 -40
WIRE -816 56 -816 40
WIRE -336 56 -336 40
WIRE -336 56 -816 56
WIRE -176 56 -336 56
WIRE 384 56 384 40
WIRE 384 56 272 56
WIRE 848 56 848 40
WIRE 848 56 384 56
WIRE -816 152 -816 56
WIRE -816 152 -944 152
WIRE -704 152 -816 152
WIRE -640 152 -704 152
WIRE -480 152 -560 152
WIRE -176 152 -480 152
WIRE 592 152 272 152
WIRE 672 152 592 152
WIRE 848 152 848 56
WIRE 848 152 752 152
WIRE 960 152 848 152
WIRE -944 168 -944 152
WIRE -816 168 -816 152
WIRE -480 168 -480 152
WIRE 592 168 592 152
WIRE 960 168 960 152
WIRE 848 184 848 152
WIRE -352 248 -368 248
WIRE -256 248 -272 248
WIRE -176 248 -192 248
WIRE 288 248 272 248
WIRE 368 248 352 248
WIRE 464 248 448 248
WIRE -944 264 -944 248
WIRE -816 264 -816 232
WIRE -480 264 -480 248
WIRE 592 264 592 248
WIRE 848 264 848 248
WIRE 960 264 960 248
WIRE -256 344 -272 344
WIRE -176 344 -192 344
WIRE 288 344 272 344
WIRE 368 344 352 344
WIRE -704 392 -704 152
WIRE -176 440 -192 440
WIRE 288 440 272 440
WIRE -704 552 -704 472
WIRE -176 552 -704 552
WIRE 288 552 272 552
WIRE -96 648 -96 632
WIRE 48 648 48 632
WIRE 192 648 192 632
FLAG -96 648 0
FLAG 192 648 0
FLAG -208 -520 0
FLAG -464 -72 0
FLAG -576 -104 0
FLAG -272 344 0
FLAG -368 248 0
FLAG -816 264 0
FLAG -480 264 0
FLAG -944 152 OUT1
FLAG -736 -536 0
FLAG 528 -88 0
FLAG 672 -88 0
FLAG 368 344 0
FLAG 464 248 0
FLAG 848 264 0
FLAG 592 264 0
FLAG 960 152 OUT2
FLAG -944 264 0
FLAG 960 264 0
FLAG -736 -648 IN
SYMBOL NMOS -416 -504 M0
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL nmos -416 -216 M0
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL cap -352 -344 R90
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL cap -224 -600 R0
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL ind -640 -216 M270
SYMATTR InstName L1
SYMATTR Value 6.3
SYMATTR SpiceLine Rpar=10000
SYMBOL cap -352 -24 R0
SYMATTR InstName C3
SYMATTR Value 1000p
SYMBOL res -496 152 R0
SYMATTR InstName R1
SYMATTR Value 20K
SYMBOL res -544 136 R90
SYMATTR InstName R2
SYMATTR Value 105K
SYMBOL cap -832 168 R0
SYMATTR InstName C4
SYMATTR Value 47
SYMATTR SpiceLine Rser=50m
SYMBOL cap -192 232 R90
SYMATTR InstName C5
SYMATTR Value 220p
SYMBOL cap -192 328 R90
SYMATTR InstName C6
SYMATTR Value .001
SYMBOL res -256 232 R90
SYMATTR InstName R3
SYMATTR Value 15K
SYMBOL VOLTAGE -736 -648 R0
SYMATTR InstName V1
SYMATTR Value 7
SYMBOL nmos 480 -504 R0
SYMATTR InstName Q3
SYMATTR Value FDS6680A
SYMBOL nmos 480 -216 R0
SYMATTR InstName Q4
SYMATTR Value FDS6680A
SYMBOL cap 368 -344 M90
SYMATTR InstName C7
SYMATTR Value .1
SYMBOL res 832 -56 R0
SYMATTR InstName R4
SYMATTR Value .01
SYMBOL cap 368 -24 R0
SYMATTR InstName C8
SYMATTR Value 1000p
SYMBOL res 576 152 R0
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL res 656 136 M90
SYMATTR InstName R6
SYMATTR Value 63.4K
SYMBOL cap 832 184 R0
SYMATTR InstName C9
SYMATTR Value 47
SYMATTR SpiceLine Rser=50m
SYMBOL cap 288 264 R270
SYMATTR InstName C10
SYMATTR Value 220p
SYMBOL cap 288 360 R270
SYMATTR InstName C11
SYMATTR Value .001
SYMBOL res 352 264 R270
SYMATTR InstName R7
SYMATTR Value 15K
SYMBOL ind 720 -216 R270
SYMATTR InstName L2
SYMATTR Value 6.3
SYMATTR SpiceLine Rpar=10000
SYMBOL res -832 -56 R0
SYMATTR InstName R8
SYMATTR Value .01
SYMBOL RES -720 376 R0
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL PowerProducts\\LTC3707 48 -40 R0
SYMATTR InstName U1
SYMBOL res 944 152 R0
SYMATTR InstName Rload2
SYMATTR Value 2
SYMBOL RES -960 152 R0
SYMATTR InstName Rload1
SYMATTR Value 2
SYMBOL schottky -304 -520 R0
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 304 -568 R0
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -592 -120 M180
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 656 -120 M180
SYMATTR InstName D4
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode