* SPICE netlist
V1 IN 0 12
C1 N005 0 2.2
C3 N009 0 4.7
R1 N005 N002 100K
R2 N005 N014 100K
XU5 N001 N031 N001 0 N032 N034 N036 N001 N001 IN N028 0 N024 N004 N004 LTC7050 RTon=5m RBon=1.2m OV=14.8 ;pnba VCC)PWM1)RUN1)SGND)SW2)ISNS2)PWM2)RUN2)PVCC)VIN)SW1)PGND)ISNS1)FLTB1)FLTB2
L1 N008 OUT0 0.2 Rser=20m
Rload0 OUT0 0 20.8m
R4 N017 N003 500
R5 N006 N003 500
R6 N005 N013 100K
L2 N011 OUT0 0.2 Rser=20m
C4 N021 0 100p
C5 N026 0 3300p
C6 N022 0 100p
C7 N027 0 3300p
XU2 N001 N012 N001 0 N011 N017 N020 N001 N001 IN N008 0 N006 N002 N002 LTC7050 RTon=5m RBon=1.2m OV=14.8 ;pnba VCC)PWM1)RUN1)SGND)SW2)ISNS2)PWM2)RUN2)PVCC)VIN)SW1)PGND)ISNS1)FLTB1)FLTB2
L3 N025 OUT0 0.2 Rser=20m
L4 N029 OUT0 0.2 Rser=20m
R8 N023 N003 500
R9 N003 N033 500
XU3 N001 N030 N001 0 N029 N033 N035 N001 N001 IN N025 0 N023 N002 N002 LTC7050 RTon=5m RBon=1.2m OV=14.8 ;pnba VCC)PWM1)RUN1)SGND)SW2)ISNS2)PWM2)RUN2)PVCC)VIN)SW1)PGND)ISNS1)FLTB1)FLTB2
L5 N010 OUT1 0.2 Rser=20m
Rload1 OUT1 0 25m
L6 N016 OUT1 0.2 Rser=20m
XU4 N001 N015 N001 0 N016 N019 PWM7 N001 N001 IN N010 0 N007 N004 N004 LTC7050 RTon=5m RBon=1.2m OV=14.8 ;pnba VCC)PWM1)RUN1)SGND)SW2)ISNS2)PWM2)RUN2)PVCC)VIN)SW1)PGND)ISNS1)FLTB1)FLTB2
L7 N028 OUT1 0.2 Rser=20m
L8 N032 OUT1 0.2 Rser=20m
R11 N007 N003 500
R12 N019 N003 500
R13 N024 N003 500
R14 N003 N034 500
R15 N005 N018 10K
V2 N001 0 6
R7 N005 N004 100K
XU1 N012 N015 N006 N007 N020 0 OUT0 N017 N021 N026 N013 N014 N027 0 N022 N018 OUT1 0 N030 N002 N004 N023 N035 N033 N036 N034 N031 N024 PWM7 N005 N009 IN N003 N019 0 LTC3888 Frequency_Switch=500 Vout0=2.5 Vout1=3 PWM_config=3 GM0=3.02m GM1=3.02m Ton_Rise0=300u Ton_Rise1=300u Toff_Fall0=300u Toff_Fall1=300u Ton_Delay0=0 Ton_Delay1=0 Toff_Delay0=0 Toff_Delay1=0 Rith0=5K Rith1=5K OC_Limit0=50 OC_Limit1=50 Ton_Min=45n VOUT_UV_Fault_Limit0=2.2 VOUT_UV_Fault_Limit1=2.8 VOUT_OV_Fault_Limit0=2.6 VOUT_OV_Fault_Limit1=3.1 Iout_Cal_Gain=5m Slave0=0 Slave1=0 ;pnba PWM0)PWM1)ISENSE0)ISENSE1)PWM2)VSENSE0-)VSENSE0+)ISENSE2)ITH0)ITHR0)PGOOD0)PGOOD1)ITHR1)SYNC)ITH1)CLKOUT)VSENSE1+)VSENSE1-)PWM3)RUN0)RUN1)ISENSE3)PWM4)ISENSE4)PWM5)ISENSE5)PWM6)ISENSE6)PWM7)VDD33)INTVCC)VIN)IREF)ISENSE7)GND
C2 OUT0 0 220 m=7 Rser=2.5m
C8 OUT1 0 220 m=7 Rser=2.5m
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 3536 2016
WIRE -1112 -1008 -1160 -1008
WIRE -680 -1008 -1112 -1008
WIRE 792 -1008 -680 -1008
WIRE -1160 -944 -1160 -1008
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WIRE -1672 -640 -1752 -640
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WIRE -1400 -640 -1592 -640
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WIRE -1064 -640 -1256 -640
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WIRE 184 -640 168 -640
WIRE 264 -640 248 -640
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WIRE 1368 -640 1192 -640
WIRE 1496 -640 1448 -640
WIRE 1576 -640 1496 -640
WIRE 1688 -640 1576 -640
WIRE 1768 -640 1688 -640
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WIRE 664 0 616 0
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WIRE -120 48 -1400 48
WIRE 1496 48 1496 -352
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WIRE 728 144 616 144
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WIRE 1240 208 1240 -256
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WIRE 728 768 632 768
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WIRE -424 896 -456 896
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WIRE 552 896 488 896
WIRE 728 896 632 896
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WIRE -120 912 -216 912
WIRE 248 912 168 912
WIRE 856 912 856 720
WIRE 904 912 856 912
WIRE 1208 912 1192 912
WIRE -920 976 -920 960
WIRE 1048 976 1048 960
WIRE 24 992 24 960
WIRE -1112 1008 -1112 720
WIRE -632 1008 -632 896
WIRE -632 1008 -1112 1008
WIRE -216 1008 -216 912
WIRE -216 1008 -632 1008
WIRE 248 1008 248 912
WIRE 728 1008 728 896
WIRE 728 1008 248 1008
WIRE 1240 1008 1240 720
WIRE 1240 1008 728 1008
FLAG -1160 -848 0
FLAG -1112 -1008 IN
FLAG -248 -544 0
FLAG 264 -640 0
FLAG -136 -256 0
FLAG -920 0 0
FLAG 24 992 0
FLAG -1592 -528 0
FLAG -1752 -528 0
FLAG -1080 -64 0
FLAG -136 144 0
FLAG -232 240 0
FLAG -232 336 0
FLAG 280 240 0
FLAG 280 336 0
FLAG -1672 -640 OUT0
FLAG -920 976 0
FLAG -1080 912 0
FLAG 1048 0 0
FLAG 1576 -528 0
FLAG 1768 -528 0
FLAG 1208 -64 0
FLAG 1688 -640 OUT1
FLAG 1048 976 0
FLAG 1208 912 0
FLAG 184 144 0
FLAG -920 -832 0
FLAG 232 432 PWM7
SYMBOL voltage -1160 -960 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap -168 -560 R90
SYMATTR InstName C1
SYMATTR Value 2.2
SYMBOL cap 184 -656 M90
SYMATTR InstName C3
SYMATTR Value 4.7
SYMBOL res -264 -432 R270
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL res 296 -368 R90
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL LTC7050 1048 624 R0
SYMATTR InstName U5
SYMBOL ind -1240 -624 M270
SYMATTR InstName L1
SYMATTR Value 0.2
SYMATTR SpiceLine Rser=20m
SYMBOL res -1768 -640 R0
SYMATTR InstName Rload0
SYMATTR Value 20.8m
SYMBOL res -552 592 R270
SYMATTR InstName R4
SYMATTR Value 500
SYMBOL res -552 16 R270
SYMATTR InstName R5
SYMATTR Value 500
SYMBOL res -264 -336 R270
SYMATTR InstName R6
SYMATTR Value 100K
SYMBOL ind -1240 -336 M270
SYMATTR InstName L2
SYMATTR Value 0.2
SYMATTR SpiceLine Rser=20m
SYMBOL cap -152 224 R90
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL cap -152 320 R90
SYMATTR InstName C5
SYMATTR Value 3300p
SYMBOL cap 200 224 M90
SYMATTR InstName C6
SYMATTR Value 100p
SYMBOL cap 200 320 M90
SYMATTR InstName C7
SYMATTR Value 3300p
SYMBOL LTC7050 -920 -352 M0
SYMATTR InstName U2
SYMBOL ind -1240 352 M270
SYMATTR InstName L3
SYMATTR Value 0.2
SYMATTR SpiceLine Rser=20m
SYMBOL ind -1240 640 M270
SYMATTR InstName L4
SYMATTR Value 0.2
SYMATTR SpiceLine Rser=20m
SYMBOL res -552 784 R270
SYMATTR InstName R8
SYMATTR Value 500
SYMBOL res -440 880 R90
SYMATTR InstName R9
SYMATTR Value 500
SYMBOL LTC7050 -920 624 M0
SYMATTR InstName U3
SYMBOL ind 1352 -624 R270
SYMATTR InstName L5
SYMATTR Value 0.2
SYMATTR SpiceLine Rser=20m
SYMBOL res 1752 -640 R0
SYMATTR InstName Rload1
SYMATTR Value 25m
SYMBOL ind 1352 -336 R270
SYMATTR InstName L6
SYMATTR Value 0.2
SYMATTR SpiceLine Rser=20m
SYMBOL LTC7050 1048 -352 R0
SYMATTR InstName U4
SYMBOL ind 1352 352 R270
SYMATTR InstName L7
SYMATTR Value 0.2
SYMATTR SpiceLine Rser=20m
SYMBOL ind 1352 640 R270
SYMATTR InstName L8
SYMATTR Value 0.2
SYMATTR SpiceLine Rser=20m
SYMBOL res 632 -16 R90
SYMATTR InstName R11
SYMATTR Value 500
SYMBOL res 648 560 R90
SYMATTR InstName R12
SYMATTR Value 500
SYMBOL res 648 752 R90
SYMATTR InstName R13
SYMATTR Value 500
SYMBOL res 536 912 R270
SYMATTR InstName R14
SYMATTR Value 500
SYMBOL res 296 -272 R90
SYMATTR InstName R15
SYMATTR Value 10K
SYMBOL voltage -920 -944 R0
SYMATTR InstName V2
SYMATTR Value 6
SYMBOL res 296 -464 R90
SYMATTR InstName R7
SYMATTR Value 100K
SYMBOL LTC3888 24 96 R0
SYMATTR InstName U1
SYMATTR SpiceLine Frequency_Switch=500 Vout0=2.5 Vout1=3 PWM_config=3 GM0=3.02m GM1=3.02m Ton_Rise0=300u Ton_Rise1=300u Toff_Fall0=300u Toff_Fall1=300u Ton_Delay0=0 Ton_Delay1=0 Toff_Delay0=0
SYMATTR SpiceLine2 Toff_Delay1=0 Rith0=5K Rith1=5K OC_Limit0=50 OC_Limit1=50 Ton_Min=45n VOUT_UV_Fault_Limit0=2.2 VOUT_UV_Fault_Limit1=2.8 VOUT_OV_Fault_Limit0=2.6 VOUT_OV_Fault_Limit1=3.1 Iout_Cal_Gain=5m Slave0=0 Slave1=0
SYMBOL cap -1608 -624 R0
SYMATTR Value 220
SYMATTR InstName C2
SYMATTR Value2 m=7
SYMATTR SpiceLine Rser=2.5m
SYMBOL cap 1560 -624 R0
SYMATTR Value 220
SYMATTR InstName C8
SYMATTR Value2 m=7
SYMATTR SpiceLine Rser=2.5m