* SPICE netlist
C1 0 N001 4.7
L1 N010 N009 6.8 Ipk=36.2 Rser=0.00186 Rpar=640.56 Cpar=0 mfg="Coilcraft" pn="SER2915H-682"
D1 N001 N005 CMDSH2-3
C3 N014 N016 1n
R1 N010 N014 10
R2 OUT1 0 12
C7 N006 N009 0.1
D2 N001 N006 CMDSH2-3
C8 N013 N015 1n
R11 N007 N013 10
C9 OUT1 0 120 X2 Rser=10m
C10 N018 0 100p
C11 N020 0 4.7n
R3 N021 N022 10K
R4 N025 N021 4.99K
C12 N021 0 2.2
C13 N024 0 2.2
R8 IN1 N010 2m
R10 IN0 N015 10
R13 IN0 N007 3m
C16 OUT1 0 10 X4 Rser=2m
MQ3 OUT1 N004 N009 N009 BSC067N06LS3 M=2
MQ4 N009 N012 0 0 BSC067N06LS3 M=2
MQ1 OUT0 N003 N008 N008 BSC067N06LS3 M=2
MQ2 N008 N011 0 0 BSC067N06LS3 M=2
C5 OUT0 0 120 X2 Rser=10m
C15 OUT0 0 10 X4 Rser=2m
R5 OUT0 0 4.8
V2 N002 0 12
C2 N005 N008 0.1
R6 IN1 N016 10
V3 IN1 0 12
V1 IN0 0 12
R7 N023 N021 10K
C4 N017 0 100p
C6 N019 0 4.7n
L2 N007 N008 6.8 Ipk=36.2 Rser=0.00186 Rpar=640.56 Cpar=0 mfg="Coilcraft" pn="SER2915H-682"
XU1 OUT0 NC_01 N016 N014 N019 N015 N013 N025 NC_02 N017 N018 NC_03 NC_04 N022 N023 0 NC_05 NC_06 NC_07 N008 N003 N024 N005 N011 N021 N020 OUT1 N002 N009 N004 N006 N012 N001 0 IN0 IN1 LTC7880 DRVSet=2 Freq=500K Mode_ll=1 Fault_response=0 Retry_delay=.1m Vin_ON=6.5 Vin_OFF=6 Ton0_delay=.1m Ton0_rise=2m Toff0_delay=.2m Toff0_fall=.3m PHs_0=0 Vout_0=24 Vout0_range=1 Ilim0_range=1 Iin0_OC_Fault_Limit=1 gm0=1.68m Rth0=24k Ton1_delay=.1m Ton1_rise=2m Toff1_delay=.2m Toff1_fall=.3m PHs_1=180 Vout_1=48 Vout1_range=0 Ilim1_range=1 Iin1_OC_Fault_Limit=1 gm1=1.68m Rth1=24k ;pnba Vsense0+)PGood0)Isense1+)Isense1-)IthR0)Isense0+)Isense0-)SYNC)Phas_Cfg)Ith0)Ith1)PGood1)ETXVcc)Run0)Run1)SGND)Freq_Cfg)Vout_Cfg0)Vout_Cfg1)SW0)TG0)VDD25)Boost0)BG0)VDD33)IthR1)Vsense1+)Vbias)SW1)TG1)Boost1)BG1)DRVcc)PGND)Vin0)Vin1
.tran 3m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1888 1792
WIRE 32 -880 32 -896
WIRE -784 -784 -816 -784
WIRE -688 -784 -784 -784
WIRE -576 -784 -688 -784
WIRE -416 -784 -576 -784
WIRE 32 -784 32 -816
WIRE 32 -784 -304 -784
WIRE 272 -784 32 -784
WIRE 576 -784 448 -784
WIRE 688 -784 576 -784
WIRE 800 -784 688 -784
WIRE -816 -768 -816 -784
WIRE -688 -768 -688 -784
WIRE -576 -768 -576 -784
WIRE 576 -752 576 -784
WIRE 688 -752 688 -784
WIRE 800 -752 800 -784
WIRE -192 -736 -208 -736
WIRE -80 -736 -112 -736
WIRE -304 -720 -304 -784
WIRE 272 -720 272 -784
WIRE -416 -704 -416 -784
WIRE 448 -704 448 -784
WIRE -80 -688 -80 -736
WIRE 32 -688 32 -784
WIRE -816 -672 -816 -688
WIRE -688 -672 -688 -704
WIRE -576 -672 -576 -704
WIRE 576 -656 576 -688
WIRE 688 -656 688 -688
WIRE 800 -656 800 -672
WIRE -176 -624 -368 -624
WIRE 400 -624 240 -624
WIRE -304 -528 -304 -656
WIRE -176 -528 -304 -528
WIRE 272 -528 272 -656
WIRE 272 -528 240 -528
WIRE -304 -512 -304 -528
WIRE 272 -512 272 -528
WIRE -928 -432 -944 -432
WIRE -816 -432 -928 -432
WIRE -768 -432 -816 -432
WIRE -656 -432 -688 -432
WIRE -560 -432 -656 -432
WIRE -416 -432 -416 -608
WIRE -416 -432 -480 -432
WIRE -304 -432 -304 -448
WIRE -304 -432 -416 -432
WIRE -176 -432 -304 -432
WIRE 272 -432 272 -448
WIRE 272 -432 240 -432
WIRE 448 -432 448 -608
WIRE 448 -432 272 -432
WIRE 528 -432 448 -432
WIRE 672 -432 608 -432
WIRE 704 -432 672 -432
WIRE 816 -432 784 -432
WIRE 928 -432 816 -432
WIRE 944 -432 928 -432
WIRE -416 -416 -416 -432
WIRE 448 -416 448 -432
WIRE -944 -400 -944 -432
WIRE 944 -400 944 -432
WIRE -176 -336 -368 -336
WIRE 400 -336 240 -336
WIRE -416 -304 -416 -320
WIRE 448 -304 448 -320
WIRE -944 -288 -944 -320
WIRE 944 -288 944 -320
WIRE -656 -240 -656 -432
WIRE -592 -240 -656 -240
WIRE -256 -240 -512 -240
WIRE -176 -240 -256 -240
WIRE 272 -240 240 -240
WIRE 528 -240 272 -240
WIRE 672 -240 672 -432
WIRE 672 -240 608 -240
WIRE -256 -224 -256 -240
WIRE 272 -224 272 -240
WIRE -816 -144 -816 -432
WIRE -592 -144 -816 -144
WIRE -256 -144 -256 -160
WIRE -256 -144 -512 -144
WIRE -176 -144 -256 -144
WIRE 272 -144 272 -160
WIRE 272 -144 240 -144
WIRE 528 -144 272 -144
WIRE 816 -144 816 -432
WIRE 816 -144 608 -144
WIRE -816 -48 -816 -144
WIRE -176 -48 -816 -48
WIRE 816 -48 816 -144
WIRE 816 -48 240 -48
WIRE -176 48 -240 48
WIRE 304 48 240 48
WIRE -272 144 -288 144
WIRE -176 144 -208 144
WIRE 272 144 240 144
WIRE 352 144 336 144
WIRE -272 240 -288 240
WIRE -176 240 -208 240
WIRE 272 240 240 240
WIRE 352 240 336 240
WIRE -304 432 -336 432
WIRE -176 432 -224 432
WIRE 272 432 240 432
WIRE 384 432 352 432
WIRE -336 528 -336 432
WIRE -240 528 -336 528
WIRE -176 528 -240 528
WIRE 288 528 240 528
WIRE -240 544 -240 528
WIRE 288 608 288 592
WIRE -240 624 -240 608
WIRE -64 800 -64 784
WIRE 32 800 32 784
WIRE 144 800 144 784
WIRE -336 896 -336 528
WIRE -64 896 -64 880
WIRE -64 896 -336 896
WIRE 384 896 384 432
WIRE 384 896 -64 896
FLAG 32 -896 0
FLAG -416 -304 0
FLAG 800 -656 0
FLAG 800 -784 OUT1
FLAG -928 -432 IN0
FLAG 448 -304 0
FLAG 688 -656 0
FLAG -784 -784 OUT0
FLAG 352 144 0
FLAG 352 240 0
FLAG -240 624 0
FLAG 288 608 0
FLAG 144 800 0
FLAG 32 800 0
FLAG 576 -656 0
FLAG -688 -672 0
FLAG -576 -672 0
FLAG -816 -672 0
FLAG 928 -432 IN1
FLAG -208 -736 0
FLAG -240 48 OUT0
FLAG 304 48 OUT1
FLAG 944 -288 0
FLAG -944 -288 0
FLAG -288 144 0
FLAG -288 240 0
SYMBOL cap 16 -880 R0
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL ind 624 -416 M270
SYMATTR InstName L1
SYMATTR Value 6.8
SYMATTR SpiceLine Ipk=36.2 Rser=0.00186 Rpar=640.56 Cpar=0 mfg="Coilcraft" pn="SER2915H-682"
SYMBOL schottky -320 -720 R0
SYMATTR Value CMDSH2-3
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 256 -224 R0
SYMATTR InstName C3
SYMATTR Value 1n
SYMBOL res 624 -256 R90
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL res 784 -768 R0
SYMATTR InstName R2
SYMATTR Value 12
SYMBOL cap 256 -512 R0
SYMATTR InstName C7
SYMATTR Value 0.1
SYMBOL schottky 256 -720 R0
SYMATTR Value CMDSH2-3
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -272 -224 R0
SYMATTR InstName C8
SYMATTR Value 1n
SYMBOL res -608 -224 R270
SYMATTR InstName R11
SYMATTR Value 10
SYMBOL cap 672 -752 R0
SYMATTR Value2 X2
SYMATTR InstName C9
SYMATTR Value 120
SYMATTR SpiceLine Rser=10m
SYMBOL cap 272 128 M90
SYMATTR InstName C10
SYMATTR Value 100p
SYMBOL cap 272 224 M90
SYMATTR InstName C11
SYMATTR Value 4.7n
SYMBOL res -320 448 R270
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res -80 784 R0
SYMATTR InstName R4
SYMATTR Value 4.99K
SYMBOL cap -256 544 R0
SYMATTR InstName C12
SYMATTR Value 2.2
SYMBOL cap 272 528 R0
SYMATTR InstName C13
SYMATTR Value 2.2
SYMBOL res 800 -448 R90
SYMATTR InstName R8
SYMATTR Value 2m
SYMBOL res -608 -128 R270
SYMATTR InstName R10
SYMATTR Value 10
SYMBOL res -784 -416 R270
SYMATTR InstName R13
SYMATTR Value 3m
SYMBOL cap 560 -752 R0
SYMATTR Value2 X4
SYMATTR InstName C16
SYMATTR Value 10
SYMATTR SpiceLine Rser=2m
SYMBOL nmos 400 -704 R0
SYMATTR Value2 M=2
SYMATTR Value BSC067N06LS3
SYMATTR InstName Q3
SYMBOL nmos 400 -416 R0
SYMATTR InstName Q4
SYMATTR Value BSC067N06LS3
SYMATTR Value2 M=2
SYMBOL nmos -368 -704 M0
SYMATTR Value2 M=2
SYMATTR Value BSC067N06LS3
SYMATTR InstName Q1
SYMBOL nmos -368 -416 M0
SYMATTR Value2 M=2
SYMATTR InstName Q2
SYMATTR Value BSC067N06LS3
SYMBOL cap -704 -768 R0
SYMATTR Value2 X2
SYMATTR InstName C5
SYMATTR Value 120
SYMATTR SpiceLine Rser=10m
SYMBOL cap -592 -768 R0
SYMATTR Value2 X4
SYMATTR InstName C15
SYMATTR Value 10
SYMATTR SpiceLine Rser=2m
SYMBOL res -832 -784 R0
SYMATTR InstName R5
SYMATTR Value 4.8
SYMBOL voltage -96 -736 R90
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL cap -320 -512 R0
SYMATTR InstName C2
SYMATTR Value 0.1
SYMBOL res 624 -160 R90
SYMATTR InstName R6
SYMATTR Value 10
SYMBOL voltage 944 -416 R0
SYMATTR InstName V3
SYMATTR Value 12
SYMBOL voltage -944 -416 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 256 448 R270
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL cap -208 128 R90
SYMATTR InstName C4
SYMATTR Value 100p
SYMBOL cap -208 224 R90
SYMATTR InstName C6
SYMATTR Value 4.7n
SYMBOL ind -576 -416 R270
SYMATTR InstName L2
SYMATTR Value 6.8
SYMATTR SpiceLine Ipk=36.2 Rser=0.00186 Rpar=640.56 Cpar=0 mfg="Coilcraft" pn="SER2915H-682"
SYMBOL LTC7880 32 0 R0
SYMATTR InstName U1