* SPICE netlist
MQ1 IN N003 N005 N005 FDS6680A
MQ2 N005 N011 0 0 FDS6680A
C1 N006 N005 .1
D1 N001 N006 1N5817
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
D2 N001 N007 1N5817
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 IN 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
D3 0 N008 1N5817
D4 0 N005 1N5817
Rload1 OUT1 0 2
Rload2 OUT2 0 1
.tran 2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1808 1264
WIRE -728 -632 -888 -632
WIRE -456 -632 -728 -632
WIRE -88 -632 -456 -632
WIRE 488 -632 -88 -632
WIRE -728 -616 -728 -632
WIRE -200 -616 -296 -616
WIRE 56 -616 -200 -616
WIRE 328 -616 56 -616
WIRE -200 -600 -200 -616
WIRE 328 -584 328 -616
WIRE -296 -536 -296 -616
WIRE -728 -520 -728 -536
WIRE -456 -520 -456 -632
WIRE -200 -520 -200 -536
WIRE -88 -520 -88 -632
WIRE 56 -520 56 -616
WIRE 200 -520 200 -536
WIRE 488 -520 488 -632
WIRE -168 -440 -408 -440
WIRE 440 -440 280 -440
WIRE -888 -344 -888 -632
WIRE -456 -344 -456 -424
WIRE -408 -344 -456 -344
WIRE -296 -344 -296 -472
WIRE -296 -344 -344 -344
WIRE -168 -344 -296 -344
WIRE 328 -344 328 -520
WIRE 328 -344 280 -344
WIRE 376 -344 328 -344
WIRE 488 -344 488 -424
WIRE 488 -344 440 -344
WIRE -680 -248 -712 -248
WIRE -568 -248 -600 -248
WIRE -456 -248 -456 -344
WIRE -456 -248 -568 -248
WIRE -168 -248 -456 -248
WIRE 488 -248 488 -344
WIRE 488 -248 280 -248
WIRE 632 -248 488 -248
WIRE 696 -248 632 -248
WIRE 808 -248 776 -248
WIRE -456 -232 -456 -248
WIRE 488 -232 488 -248
WIRE -568 -216 -568 -248
WIRE 632 -200 632 -248
WIRE -168 -152 -408 -152
WIRE 440 -152 280 -152
WIRE -568 -120 -568 -152
WIRE -456 -120 -456 -136
WIRE 488 -104 488 -136
WIRE 632 -104 632 -136
WIRE -712 -56 -712 -248
WIRE -328 -56 -712 -56
WIRE -168 -56 -328 -56
WIRE 344 -56 280 -56
WIRE 808 -56 808 -248
WIRE 808 -56 344 -56
WIRE -328 -40 -328 -56
WIRE 344 -40 344 -56
WIRE -712 40 -712 24
WIRE -328 40 -328 24
WIRE -328 40 -712 40
WIRE -168 40 -328 40
WIRE 344 40 344 24
WIRE 344 40 280 40
WIRE 808 40 808 24
WIRE 808 40 344 40
WIRE -712 136 -712 40
WIRE -712 136 -840 136
WIRE -648 136 -712 136
WIRE -520 136 -568 136
WIRE -168 136 -520 136
WIRE 584 136 280 136
WIRE 648 136 584 136
WIRE 808 136 808 40
WIRE 808 136 728 136
WIRE 904 136 808 136
WIRE 584 152 584 136
WIRE 904 152 904 136
WIRE -840 168 -840 136
WIRE -712 168 -712 136
WIRE -520 168 -520 136
WIRE 808 168 808 136
WIRE -344 232 -360 232
WIRE -248 232 -264 232
WIRE -168 232 -184 232
WIRE 312 232 280 232
WIRE 392 232 376 232
WIRE 488 232 472 232
WIRE 584 248 584 232
WIRE 808 248 808 232
WIRE 904 248 904 232
WIRE -840 264 -840 248
WIRE -712 264 -712 232
WIRE -520 264 -520 248
WIRE -280 328 -344 328
WIRE -168 328 -216 328
WIRE 360 328 280 328
WIRE 456 328 424 328
WIRE -168 424 -184 424
WIRE 296 424 280 424
WIRE -888 536 -888 -264
WIRE -168 536 -888 536
WIRE 296 536 280 536
WIRE -88 632 -88 616
WIRE 56 632 56 616
WIRE 200 632 200 616
FLAG -88 632 0
FLAG 200 632 0
FLAG -200 -520 0
FLAG -456 -120 0
FLAG -568 -120 0
FLAG -344 328 0
FLAG -360 232 0
FLAG -712 264 0
FLAG -520 264 0
FLAG -840 136 OUT1
FLAG -728 -520 0
FLAG 488 -104 0
FLAG 632 -104 0
FLAG 456 328 0
FLAG 488 232 0
FLAG 808 248 0
FLAG 584 248 0
FLAG 904 136 OUT2
FLAG -840 264 0
FLAG 904 248 0
FLAG -728 -632 IN
SYMBOL NMOS -408 -520 M0
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL nmos -408 -232 M0
SYMATTR InstName Q2
SYMATTR Value FDS6680A
SYMBOL cap -344 -360 R90
SYMATTR InstName C1
SYMATTR Value .1
SYMBOL diode -312 -536 R0
SYMATTR InstName D1
SYMATTR Value 1N5817
SYMBOL cap -216 -600 R0
SYMATTR InstName C2
SYMATTR Value 1
SYMBOL ind -584 -232 M270
SYMATTR InstName L1
SYMATTR Value 6.3
SYMATTR SpiceLine Rpar=10000
SYMBOL cap -344 -40 R0
SYMATTR InstName C3
SYMATTR Value 1000p
SYMBOL res -536 152 R0
SYMATTR InstName R1
SYMATTR Value 20K
SYMBOL res -552 120 R90
SYMATTR InstName R2
SYMATTR Value 105K
SYMBOL cap -728 168 R0
SYMATTR InstName C4
SYMATTR Value 47
SYMATTR SpiceLine Rser=50m
SYMBOL cap -184 216 R90
SYMATTR InstName C5
SYMATTR Value 220p
SYMBOL cap -216 312 R90
SYMATTR InstName C6
SYMATTR Value .001
SYMBOL res -248 216 R90
SYMATTR InstName R3
SYMATTR Value 15K
SYMBOL VOLTAGE -728 -632 R0
SYMATTR InstName V1
SYMATTR Value 7
SYMBOL nmos 440 -520 R0
SYMATTR InstName Q3
SYMATTR Value FDS6680A
SYMBOL nmos 440 -232 R0
SYMATTR InstName Q4
SYMATTR Value FDS6680A
SYMBOL cap 376 -360 M90
SYMATTR InstName C7
SYMATTR Value .1
SYMBOL diode 312 -584 R0
SYMATTR InstName D2
SYMATTR Value 1N5817
SYMBOL res 792 -72 R0
SYMATTR InstName R4
SYMATTR Value .01
SYMBOL cap 328 -40 R0
SYMATTR InstName C8
SYMATTR Value 1000p
SYMBOL res 568 136 R0
SYMATTR InstName R5
SYMATTR Value 20K
SYMBOL res 632 120 M90
SYMATTR InstName R6
SYMATTR Value 63.4K
SYMBOL cap 792 168 R0
SYMATTR InstName C9
SYMATTR Value 47
SYMATTR SpiceLine Rser=50m
SYMBOL cap 312 248 R270
SYMATTR InstName C10
SYMATTR Value 220p
SYMBOL cap 360 344 R270
SYMATTR InstName C11
SYMATTR Value .001
SYMBOL res 376 248 R270
SYMATTR InstName R7
SYMATTR Value 15K
SYMBOL ind 680 -232 R270
SYMATTR InstName L2
SYMATTR Value 6.3
SYMATTR SpiceLine Rpar=10000
SYMBOL res -728 -72 R0
SYMATTR InstName R8
SYMATTR Value .01
SYMBOL RES -904 -360 R0
SYMATTR InstName R9
SYMATTR Value 10K
SYMBOL POWERPRODUCTS\\LTC1628-PG 56 -56 R0
SYMATTR InstName U1
SYMBOL schottky 616 -136 M180
SYMATTR InstName D3
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL schottky -584 -152 M180
SYMATTR InstName D4
SYMATTR Value 1N5817
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL RES -856 152 R0
SYMATTR InstName Rload1
SYMATTR Value 2
SYMBOL res 888 136 R0
SYMATTR InstName Rload2
SYMATTR Value 1