* SPICE netlist
XU1 IN N001 N007 N003 N005 N009 IN N023 N013 0 N011 OUT1 N017 N019 N021 N022 N020 IN N016 N014 N024 N018 0 N006 N004 N008 N002 N010 LTC1873 ;pnba PVcc)Boost1)BG1)TG1)SW1)Imax1)FCB)Run/SS1)Comp1)SGND)FB1)Sense)VID0)VID1)VID2)VID3)VID4)Vcc)FB2)Comp2)Run/SS2)Fault)PGND)SW2)TG2)BG2)Boost2)Imax2
MQ1 IN N004 N006 N006 Si4410DY
MQ2 N006 N008 0 0 Si4410DY
R1 0 N010 47K
D1 IN N002 1N5818
C1 N002 N006 1
C2 N023 0 .001
C3 N024 0 .001
C4 N014 N016 56p
C5 N015 N014 330p
R2 N016 N015 68K
L1 N006 OUT2 1
R3 OUT2 N016 10K
R4 N016 0 4.75K
MQ3 IN N003 N005 N005 Si4410DY
MQ4 N005 N007 0 0 Si4410DY
R5 0 N009 47K
C6 N001 N005 1
C7 N013 N011 39p
C8 N012 N013 220p
R6 N011 N012 56K
L2 N005 OUT1 1
V1 IN 0 5
D2 IN N001 1N5818
C9 OUT1 0 180 x2 Rser=.1
C10 OUT2 0 180 x2 Rser=.1
Rload1 OUT1 0 5
Rload2 OUT2 0 5
.tran 600u startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1872 944
WIRE -488 -472 -664 -472
WIRE -232 -472 -488 -472
WIRE -88 -472 -232 -472
WIRE 40 -472 -88 -472
WIRE 184 -472 40 -472
WIRE 328 -472 184 -472
WIRE 504 -472 328 -472
WIRE -664 -456 -664 -472
WIRE -232 -456 -232 -472
WIRE 184 -456 184 -472
WIRE -232 -376 -232 -392
WIRE -232 -376 -376 -376
WIRE 184 -376 184 -392
WIRE 392 -376 184 -376
WIRE -664 -360 -664 -376
WIRE -488 -360 -488 -472
WIRE -376 -360 -376 -376
WIRE -232 -360 -232 -376
WIRE -88 -360 -88 -472
WIRE 40 -360 40 -472
WIRE 184 -360 184 -376
WIRE 392 -360 392 -376
WIRE 504 -360 504 -472
WIRE -312 -280 -440 -280
WIRE 456 -280 264 -280
WIRE -776 -248 -920 -248
WIRE -680 -248 -776 -248
WIRE -664 -248 -680 -248
WIRE -488 -248 -488 -264
WIRE -488 -248 -584 -248
WIRE -376 -248 -376 -296
WIRE -376 -248 -488 -248
WIRE 392 -248 392 -296
WIRE 504 -248 504 -264
WIRE 504 -248 392 -248
WIRE 600 -248 504 -248
WIRE 728 -248 680 -248
WIRE 824 -248 728 -248
WIRE 936 -248 824 -248
WIRE -920 -232 -920 -248
WIRE -776 -232 -776 -248
WIRE -488 -232 -488 -248
WIRE 504 -232 504 -248
WIRE 824 -232 824 -248
WIRE 936 -232 936 -248
WIRE -376 -216 -376 -248
WIRE -312 -216 -376 -216
WIRE 392 -216 392 -248
WIRE 392 -216 264 -216
WIRE 728 -184 728 -248
WIRE -312 -152 -440 -152
WIRE 456 -152 264 -152
WIRE -920 -136 -920 -152
WIRE -776 -136 -776 -168
WIRE 824 -136 824 -168
WIRE 936 -136 936 -152
WIRE -488 -88 -488 -136
WIRE -424 -88 -488 -88
WIRE -312 -88 -344 -88
WIRE 360 -88 264 -88
WIRE 504 -88 504 -136
WIRE 504 -88 440 -88
WIRE -488 -72 -488 -88
WIRE 504 -72 504 -88
WIRE -584 -24 -600 -24
WIRE -488 -24 -504 -24
WIRE -376 -24 -424 -24
WIRE -312 -24 -376 -24
WIRE 392 -24 264 -24
WIRE 520 -24 392 -24
WIRE 616 -24 584 -24
WIRE 728 -24 728 -104
WIRE 728 -24 696 -24
WIRE -600 40 -600 -24
WIRE -376 40 -600 40
WIRE -312 40 -376 40
WIRE 392 40 264 40
WIRE 728 40 728 -24
WIRE 728 40 392 40
WIRE 728 56 728 40
WIRE -680 104 -680 -248
WIRE -312 104 -680 104
WIRE 328 104 328 -472
WIRE 328 104 264 104
WIRE 728 152 728 136
WIRE -312 168 -344 168
WIRE 296 168 264 168
WIRE -312 232 -344 232
WIRE 296 232 264 232
WIRE -312 296 -344 296
WIRE 296 296 264 296
WIRE -232 392 -232 376
WIRE -88 392 -88 376
WIRE 40 392 40 376
WIRE 184 392 184 376
WIRE -232 472 -232 456
WIRE 184 472 184 456
FLAG 504 -72 0
FLAG -232 472 0
FLAG 184 472 0
FLAG 40 392 0
FLAG -88 392 0
FLAG 824 -136 0
FLAG 728 152 0
FLAG -488 -72 0
FLAG 936 -136 0
FLAG -920 -136 0
FLAG -920 -248 OUT1
FLAG 936 -248 OUT2
FLAG -664 -360 0
FLAG -776 -136 0
FLAG -664 -472 IN
SYMBOL POWERPRODUCTS\\LTC1873 -24 8 R0
SYMATTR InstName U1
SYMBOL NMOS 456 -360 R0
SYMATTR InstName Q1
SYMATTR Value Si4410DY
SYMBOL nmos 456 -232 R0
SYMATTR InstName Q2
SYMATTR Value Si4410DY
SYMBOL RES 456 -104 R90
SYMATTR InstName R1
SYMATTR Value 47K
SYMBOL schottky 168 -456 R0
SYMATTR Value 1N5818
SYMATTR InstName D1
SYMBOL cap 376 -360 R0
SYMATTR InstName C1
SYMATTR Value 1
SYMBOL cap -248 392 R0
SYMATTR InstName C2
SYMATTR Value .001
SYMBOL cap 168 392 R0
SYMATTR InstName C3
SYMATTR Value .001
SYMBOL cap 376 -24 R0
SYMATTR InstName C4
SYMATTR Value 56p
SYMBOL cap 584 -40 R90
SYMATTR InstName C5
SYMATTR Value 330p
SYMBOL res 712 -40 R90
SYMATTR InstName R2
SYMATTR Value 68K
SYMBOL ind 584 -232 R270
SYMATTR InstName L1
SYMATTR Value 1
SYMBOL res 712 -200 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res 712 40 R0
SYMATTR InstName R4
SYMATTR Value 4.75K
SYMBOL nmos -440 -360 M0
SYMATTR InstName Q3
SYMATTR Value Si4410DY
SYMBOL nmos -440 -232 M0
SYMATTR InstName Q4
SYMATTR Value Si4410DY
SYMBOL res -440 -104 M90
SYMATTR InstName R5
SYMATTR Value 47K
SYMBOL cap -392 -360 R0
SYMATTR Value 1
SYMATTR InstName C6
SYMBOL cap -392 -24 R0
SYMATTR InstName C7
SYMATTR Value 39p
SYMBOL cap -488 -40 M90
SYMATTR InstName C8
SYMATTR Value 220p
SYMBOL res -600 -40 M90
SYMATTR InstName R6
SYMATTR Value 56K
SYMBOL ind -568 -232 M270
SYMATTR InstName L2
SYMATTR Value 1
SYMBOL VOLTAGE -664 -472 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL schottky -248 -456 R0
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL polcap -792 -232 R0
SYMATTR Value2 x2
SYMATTR Value 180
SYMATTR SpiceLine Rser=.1
SYMATTR InstName C9
SYMBOL polcap 808 -232 R0
SYMATTR Value2 x2
SYMATTR Value 180
SYMATTR SpiceLine Rser=.1
SYMATTR InstName C10
SYMBOL res -936 -248 R0
SYMATTR InstName Rload1
SYMATTR Value 5
SYMBOL res 920 -248 R0
SYMATTR InstName Rload2
SYMATTR Value 5