* SPICE netlist
V1 IN 0 10
C4 IN 0 2.2
C7 N002 N004 .22
L2 N004 OUT1 10
R3 OUT1 N006 56.2K
R4 N006 0 10.7K
D3 0 N004 MBRS130L
D4 OUT1 N002 1N914
C8 OUT1 0 10
Rload1 OUT1 0 3.57
C9 N008 0 100p Rser=43K
R5 N010 OUT1 100K
C10 N001 N003 .22
L3 N003 OUT2 6.8
R6 OUT2 N005 35.7K
R7 N005 0 11.5K
D5 0 N003 MBRS130L
D6 OUT2 N001 1N914
C11 OUT2 0 22
Rload2 OUT2 0 2.36
C12 N007 0 150p Rser=51K
R8 OUT2 N009 100K
XU1 N002 IN N004 IN N013 N003 0 N001 N005 N007 N009 N011 N012 N010 N008 N006 IN LT3508 ;pnba Boost1)_SHDN)SW1)Vin1)Rt)SW2)GND)Boost2)FB2)Vc2)Pgood2)Track/SS2)Track/SS1)Pgood1)Vc1)FB1)Vin2
R1 N013 0 52.3K
C1 N011 0 300p
C2 N012 0 300p
.tran 250u startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1952 592
WIRE -768 -296 -880 -296
WIRE -48 -296 -768 -296
WIRE 48 -296 -48 -296
WIRE 144 -296 48 -296
WIRE -880 -280 -880 -296
WIRE -768 -280 -768 -296
WIRE -656 -232 -688 -232
WIRE -528 -232 -592 -232
WIRE -256 -232 -528 -232
WIRE -48 -232 -48 -296
WIRE 48 -232 48 -296
WIRE 144 -232 144 -296
WIRE 544 -232 464 -232
WIRE 640 -232 544 -232
WIRE 736 -232 704 -232
WIRE -528 -216 -528 -232
WIRE 544 -216 544 -232
WIRE -880 -184 -880 -200
WIRE -768 -184 -768 -216
WIRE -256 -184 -256 -232
WIRE -160 -184 -256 -184
WIRE 464 -184 464 -232
WIRE 464 -184 256 -184
WIRE -832 -120 -960 -120
WIRE -768 -120 -832 -120
WIRE -688 -120 -688 -232
WIRE -688 -120 -768 -120
WIRE -640 -120 -688 -120
WIRE -528 -120 -528 -152
WIRE -528 -120 -560 -120
WIRE -160 -120 -528 -120
WIRE 544 -120 544 -152
WIRE 544 -120 256 -120
WIRE 624 -120 544 -120
WIRE 736 -120 736 -232
WIRE 736 -120 704 -120
WIRE 832 -120 736 -120
WIRE 880 -120 832 -120
WIRE 976 -120 880 -120
WIRE -960 -104 -960 -120
WIRE -688 -104 -688 -120
WIRE 880 -104 880 -120
WIRE 976 -104 976 -120
WIRE -832 -88 -832 -120
WIRE -528 -88 -528 -120
WIRE 736 -88 736 -120
WIRE 544 -72 544 -120
WIRE -160 -56 -384 -56
WIRE 496 -56 256 -56
WIRE -960 -8 -960 -24
WIRE -832 -8 -832 -24
WIRE -528 -8 -528 -24
WIRE 880 -8 880 -40
WIRE 976 -8 976 -24
WIRE -336 8 -352 8
WIRE -160 8 -272 8
WIRE 384 8 256 8
WIRE 464 8 448 8
WIRE 544 8 544 -8
WIRE -688 24 -688 -24
WIRE -384 24 -384 -56
WIRE -384 24 -688 24
WIRE -688 40 -688 24
WIRE 496 40 496 -56
WIRE 736 40 736 -8
WIRE 736 40 496 40
WIRE 736 56 736 40
WIRE -160 72 -240 72
WIRE 352 72 256 72
WIRE -688 136 -688 120
WIRE -160 136 -208 136
WIRE 288 136 256 136
WIRE -208 152 -208 136
WIRE 288 152 288 136
WIRE 736 152 736 136
WIRE -768 168 -768 -120
WIRE -608 168 -768 168
WIRE -240 168 -240 72
WIRE -240 168 -528 168
WIRE 352 184 352 72
WIRE 576 184 352 184
WIRE 832 184 832 -120
WIRE 832 184 656 184
WIRE -16 200 -16 184
WIRE 112 200 112 184
WIRE -208 232 -208 216
WIRE 288 232 288 216
WIRE 112 296 112 280
FLAG -880 -184 0
FLAG -768 -184 0
FLAG -16 200 0
FLAG 736 152 0
FLAG 544 8 0
FLAG 880 -8 0
FLAG 976 -8 0
FLAG 976 -120 OUT1
FLAG 464 8 0
FLAG -688 136 0
FLAG -528 -8 0
FLAG -832 -8 0
FLAG -960 -8 0
FLAG -960 -120 OUT2
FLAG -352 8 0
FLAG -880 -296 IN
FLAG 112 296 0
FLAG 288 232 0
FLAG -208 232 0
SYMBOL VOLTAGE -880 -296 R0
SYMATTR InstName V1
SYMATTR Value 10
SYMBOL cap -784 -280 R0
SYMATTR InstName C4
SYMATTR Value 2.2u
SYMBOL cap 528 -216 R0
SYMATTR InstName C7
SYMATTR Value .22u
SYMBOL ind 608 -104 R270
SYMATTR InstName L2
SYMATTR Value 10u
SYMBOL RES 720 -104 R0
SYMATTR InstName R3
SYMATTR Value 56.2K
SYMBOL res 720 40 R0
SYMATTR InstName R4
SYMATTR Value 10.7K
SYMBOL schottky 528 -8 M180
SYMATTR InstName D3
SYMATTR Value MBRS130L
SYMBOL diode 704 -248 R90
SYMATTR InstName D4
SYMATTR Value 1N914
SYMBOL cap 864 -104 R0
SYMATTR InstName C8
SYMATTR Value 10u
SYMBOL res 960 -120 R0
SYMATTR InstName Rload1
SYMATTR Value 3.57
SYMBOL cap 384 24 R270
SYMATTR InstName C9
SYMATTR Value 100p
SYMATTR SpiceLine Rser=43K
SYMBOL res 560 200 R270
SYMATTR InstName R5
SYMATTR Value 100K
SYMBOL cap -544 -216 R0
SYMATTR InstName C10
SYMATTR Value .22u
SYMBOL ind -544 -104 M270
SYMATTR InstName L3
SYMATTR Value 6.8u
SYMBOL RES -704 -120 R0
SYMATTR InstName R6
SYMATTR Value 35.7K
SYMBOL res -704 24 R0
SYMATTR InstName R7
SYMATTR Value 11.5K
SYMBOL schottky -544 -24 M180
SYMATTR InstName D5
SYMATTR Value MBRS130L
SYMBOL diode -656 -248 M90
SYMATTR InstName D6
SYMATTR Value 1N914
SYMBOL cap -848 -88 R0
SYMATTR InstName C11
SYMATTR Value 22u
SYMBOL res -976 -120 R0
SYMATTR InstName Rload2
SYMATTR Value 2.36
SYMBOL cap -272 -8 R90
SYMATTR InstName C12
SYMATTR Value 150p
SYMATTR SpiceLine Rser=51K
SYMBOL res -624 184 R270
SYMATTR InstName R8
SYMATTR Value 100K
SYMBOL PowerProducts\\LT3508 48 -24 R0
SYMATTR InstName U1
SYMBOL res 96 184 R0
SYMATTR InstName R1
SYMATTR Value 52.3K
SYMBOL cap -224 152 R0
SYMATTR InstName C1
SYMATTR Value 300p
SYMBOL cap 272 152 R0
SYMATTR InstName C2
SYMATTR Value 300p