* 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 0 100 Rser=75m
C5 N016 N015 220p
C6 N019 0 .005
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=2m
C10 N017 N018 220p
C11 N020 0 .005
R7 N018 0 15K
L2 N008 N010 6.3 Rpar=10000
R8 N009 OUT1 .01
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 ;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)FLTCPL
D1 0 N008 1N5817
D2 0 N005 1N5817
D3 N001 N007 1N5817
D4 N001 N006 1N5817
Rload1 OUT1 0 10
Rload2 OUT2 0 2
.tran 7m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1872 1248
WIRE -520 -624 -632 -624
WIRE -136 -624 -520 -624
WIRE 488 -624 -136 -624
WIRE -632 -608 -632 -624
WIRE -328 -608 -392 -608
WIRE 8 -608 -328 -608
WIRE 280 -608 8 -608
WIRE -392 -592 -392 -608
WIRE 280 -592 280 -608
WIRE -328 -544 -328 -608
WIRE -520 -528 -520 -624
WIRE -136 -528 -136 -624
WIRE 8 -528 8 -608
WIRE 152 -528 152 -544
WIRE 488 -528 488 -624
WIRE -632 -512 -632 -528
WIRE -392 -512 -392 -528
WIRE -216 -448 -472 -448
WIRE 440 -448 232 -448
WIRE -520 -352 -520 -432
WIRE -472 -352 -520 -352
WIRE -328 -352 -328 -480
WIRE -328 -352 -408 -352
WIRE -216 -352 -328 -352
WIRE 280 -352 280 -528
WIRE 280 -352 232 -352
WIRE 376 -352 280 -352
WIRE 488 -352 488 -432
WIRE 488 -352 440 -352
WIRE -760 -256 -792 -256
WIRE -648 -256 -680 -256
WIRE -520 -256 -520 -352
WIRE -520 -256 -648 -256
WIRE -216 -256 -520 -256
WIRE 488 -256 488 -352
WIRE 488 -256 232 -256
WIRE 632 -256 488 -256
WIRE 680 -256 632 -256
WIRE 808 -256 760 -256
WIRE -520 -240 -520 -256
WIRE 488 -240 488 -256
WIRE -648 -208 -648 -256
WIRE 632 -208 632 -256
WIRE -216 -160 -472 -160
WIRE 440 -160 232 -160
WIRE -520 -128 -520 -144
WIRE -648 -112 -648 -144
WIRE 488 -112 488 -144
WIRE 632 -112 632 -144
WIRE -792 -64 -792 -256
WIRE -392 -64 -792 -64
WIRE -216 -64 -392 -64
WIRE 344 -64 232 -64
WIRE 808 -64 808 -256
WIRE 808 -64 344 -64
WIRE -392 -48 -392 -64
WIRE 344 -48 344 -64
WIRE -792 32 -792 16
WIRE -392 32 -392 16
WIRE -392 32 -792 32
WIRE -216 32 -392 32
WIRE 344 32 344 16
WIRE 344 32 232 32
WIRE 808 32 808 16
WIRE 808 32 344 32
WIRE -792 128 -792 32
WIRE -792 128 -920 128
WIRE -696 128 -792 128
WIRE -568 128 -616 128
WIRE -216 128 -568 128
WIRE 504 128 232 128
WIRE 584 128 504 128
WIRE 808 128 808 32
WIRE 808 128 664 128
WIRE 936 128 808 128
WIRE -920 144 -920 128
WIRE -792 144 -792 128
WIRE -568 144 -568 128
WIRE 504 144 504 128
WIRE 808 144 808 128
WIRE 936 144 936 128
WIRE -392 224 -408 224
WIRE -296 224 -312 224
WIRE -216 224 -232 224
WIRE 264 224 232 224
WIRE 360 224 328 224
WIRE 456 224 440 224
WIRE -920 240 -920 224
WIRE -792 240 -792 208
WIRE -568 240 -568 224
WIRE 504 240 504 224
WIRE 808 240 808 208
WIRE 936 240 936 224
WIRE -344 320 -408 320
WIRE -216 320 -280 320
WIRE 248 320 232 320
WIRE 344 320 312 320
WIRE -216 416 -232 416
WIRE 248 416 232 416
WIRE -216 528 -232 528
WIRE 248 528 232 528
WIRE -136 624 -136 608
WIRE 8 624 8 608
WIRE 152 624 152 608
FLAG -136 624 0
FLAG 152 624 0
FLAG -392 -512 0
FLAG -520 -128 0
FLAG -648 -112 0
FLAG -408 320 0
FLAG -408 224 0
FLAG -792 240 0
FLAG -568 240 0
FLAG -920 128 OUT1
FLAG -632 -512 0
FLAG 488 -112 0
FLAG 632 -112 0
FLAG 344 320 0
FLAG 456 224 0
FLAG 808 240 0
FLAG 504 240 0
FLAG 936 128 OUT2
FLAG -920 240 0
FLAG 936 240 0
FLAG -632 -624 IN
SYMBOL NMOS -472 -528 M0
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL nmos -472 -240 M0
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL cap -408 -368 R90
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL cap -408 -592 R0
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL ind -664 -240 M270
SYMATTR InstName L1
SYMATTR Value 6.3
SYMATTR SpiceLine Rpar=10000
SYMBOL cap -408 -48 R0
SYMATTR InstName C3
SYMATTR Value 1000p
SYMBOL res -584 128 R0
SYMATTR InstName R1
SYMATTR Value 20K
SYMBOL res -600 112 R90
SYMATTR InstName R2
SYMATTR Value 105K
SYMBOL cap -808 144 R0
SYMATTR InstName C4
SYMATTR Value 100
SYMATTR SpiceLine Rser=75m
SYMBOL cap -232 208 R90
SYMATTR InstName C5
SYMATTR Value 220p
SYMBOL cap -280 304 R90
SYMATTR InstName C6
SYMATTR Value .005
SYMBOL res -296 208 R90
SYMATTR InstName R3
SYMATTR Value 15K
SYMBOL VOLTAGE -632 -624 R0
SYMATTR InstName V1
SYMATTR Value 7
SYMBOL nmos 440 -528 R0
SYMATTR InstName Q3
SYMATTR Value FDS6680A
SYMBOL nmos 440 -240 R0
SYMATTR InstName Q4
SYMATTR Value FDS6680A
SYMBOL cap 376 -368 M90
SYMATTR InstName C7
SYMATTR Value .1
SYMBOL res 792 -80 R0
SYMATTR InstName R4
SYMATTR Value .01
SYMBOL cap 328 -48 R0
SYMATTR InstName C8
SYMATTR Value 1000p
SYMBOL res 488 128 R0
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL res 568 112 M90
SYMATTR InstName R6
SYMATTR Value 63.4K
SYMBOL cap 792 144 R0
SYMATTR InstName C9
SYMATTR Value 47
SYMATTR SpiceLine Rser=2m
SYMBOL cap 264 240 R270
SYMATTR InstName C10
SYMATTR Value 220p
SYMBOL cap 248 336 R270
SYMATTR InstName C11
SYMATTR Value .005
SYMBOL res 344 240 R270
SYMATTR InstName R7
SYMATTR Value 15K
SYMBOL ind 664 -240 R270
SYMATTR InstName L2
SYMATTR Value 6.3
SYMATTR SpiceLine Rpar=10000
SYMBOL res -808 -80 R0
SYMATTR InstName R8
SYMATTR Value .01
SYMBOL POWERPRODUCTS\\LTC1628 8 -64 R0
SYMATTR InstName U1
SYMBOL schottky 616 -144 M180
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -664 -144 M180
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky 264 -592 R0
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -344 -544 R0
SYMATTR InstName D4
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL RES -936 128 R0
SYMATTR InstName Rload1
SYMATTR Value 10
SYMBOL res 920 128 R0
SYMATTR InstName Rload2
SYMATTR Value 2