* SPICE netlist
V1 IN 0 12
C1 0 N001 1
MQ1 IN N002 N004 N004 RJK0305DPB
MQ2 N004 N008 0 0 RJK0301DPB
L1 N004 OUT1 .56 Rser=1.61m
C2 N005 N004 .1
D1 N001 N005 CMDSH2-3
C3 N010 OUT1 .22
R1 N004 N010 1.58K
C4 N012 0 2200p Rser=4.99K Cpar=220p
C5 OUT1 0 530 Rser=5m
R2 OUT1 0 .12
R3 N014 N020 24.9K
R4 0 N014 11.3K
R5 N017 N018 10K
R6 N021 N017 4.99K
R7 N015 N020 10K
R8 0 N015 15.8K
R9 N016 N020 20K
R10 0 N016 12.7K
C6 N013 0 4700p Rser=4.99K Cpar=220p
MQ3 IN N003 N007 N007 RJK0305DPB
MQ4 N007 N009 0 0 RJK0301DPB
L2 N007 OUT0 1 Rser=2.3m
C7 N006 N007 .1
D2 N001 N006 CMDSH2-3
C8 N011 OUT0 .22
R11 N007 N011 2K
C9 OUT0 0 530 Rser=5m
R12 OUT0 0 .22
R13 N017 N019 10K
C10 N020 0 1
C11 N017 0 1
XU1 OUT0 0 N010 OUT1 N013 N011 OUT0 N021 MP_01 MP_02 MP_03 MP_04 MP_05 N019 N018 MP_06 N016 N015 N014 NC_07 0 N020 MP_08 MP_09 N017 N012 OUT1 MP_10 N004 N002 N005 N008 N001 0 IN N009 N006 N003 N007 MP_11 0 LTC3880 VIN_ON=5.5 VIN_OFF=5 Vout_0=1.6 Vout_1=2.5 Ilim0_range=0 Ilim1_range=0 OC_limit0=1 OC_limit1=1 Mode_ll=2 Fault_response=0 Retry_delay=.1m Freq=500K PHs_0=0 PHs_1=180 Ton0_delay=.3m Ton0_rise=.5m Ton1_delay=.3m Ton1_rise=.5m Toff0_delay=.2m Toff0_fall=.3m Toff1_delay=.2m Toff1_fall=.3m Vout0_range=0 Vout1_range=0 ;pnba Vsense0+)Vsense0-)Isense1+)Isense1-)Ith0)Isense0+)Isense0-)SYNC))))))Run0)Run1))Freq_cfg)Vout0_cfg)Vout1_cfg)Vtrim0_cfg)Vtrim1_cfg)VDD25)))VDD33)Ith1)Vsense1))SW1)TG1)Boost1)BG1)IntVcc)PGND)Vin)BG0)Boost0)TG0)SW0))SGND
.tran 1.2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1648 1472
WIRE -24 -720 -24 -736
WIRE -24 -640 -24 -656
WIRE -24 -640 -328 -640
WIRE 264 -640 -24 -640
WIRE -424 -624 -664 -624
WIRE -120 -624 -424 -624
WIRE 440 -624 -120 -624
WIRE -664 -608 -664 -624
WIRE -328 -608 -328 -640
WIRE 264 -608 264 -640
WIRE -424 -592 -424 -624
WIRE 440 -592 440 -624
WIRE -120 -576 -120 -624
WIRE -24 -576 -24 -640
WIRE 72 -576 72 -592
WIRE 168 -576 168 -592
WIRE -664 -512 -664 -528
WIRE -184 -512 -376 -512
WIRE 392 -512 232 -512
WIRE -424 -416 -424 -496
WIRE -408 -416 -424 -416
WIRE -328 -416 -328 -544
WIRE -328 -416 -344 -416
WIRE -184 -416 -328 -416
WIRE 264 -416 264 -544
WIRE 264 -416 232 -416
WIRE 280 -416 264 -416
WIRE 440 -416 440 -496
WIRE 440 -416 344 -416
WIRE -680 -320 -808 -320
WIRE -616 -320 -680 -320
WIRE -600 -320 -616 -320
WIRE -488 -320 -520 -320
WIRE -424 -320 -424 -416
WIRE -424 -320 -488 -320
WIRE -184 -320 -424 -320
WIRE 440 -320 440 -416
WIRE 440 -320 232 -320
WIRE 520 -320 440 -320
WIRE 552 -320 520 -320
WIRE 648 -320 632 -320
WIRE 712 -320 648 -320
WIRE 824 -320 712 -320
WIRE -808 -304 -808 -320
WIRE -680 -304 -680 -320
WIRE -424 -304 -424 -320
WIRE 440 -304 440 -320
WIRE 712 -304 712 -320
WIRE 824 -304 824 -320
WIRE -184 -224 -376 -224
WIRE 392 -224 232 -224
WIRE -808 -208 -808 -224
WIRE -680 -208 -680 -240
WIRE 712 -208 712 -240
WIRE 824 -208 824 -224
WIRE -424 -192 -424 -208
WIRE 440 -192 440 -208
WIRE -488 -128 -488 -320
WIRE -440 -128 -488 -128
WIRE -344 -128 -360 -128
WIRE -184 -128 -344 -128
WIRE 264 -128 232 -128
WIRE 376 -128 264 -128
WIRE 520 -128 520 -320
WIRE 520 -128 456 -128
WIRE -344 -112 -344 -128
WIRE 264 -112 264 -128
WIRE -616 -32 -616 -320
WIRE -344 -32 -344 -48
WIRE -344 -32 -616 -32
WIRE -184 -32 -344 -32
WIRE 264 -32 264 -48
WIRE 264 -32 232 -32
WIRE 648 -32 648 -320
WIRE 648 -32 264 -32
WIRE -616 64 -616 -32
WIRE -184 64 -616 64
WIRE 648 64 648 -32
WIRE 648 64 232 64
WIRE 264 160 232 160
WIRE -296 256 -312 256
WIRE -184 256 -232 256
WIRE 280 256 232 256
WIRE 360 256 344 256
WIRE -184 352 -280 352
WIRE 344 352 232 352
WIRE -408 400 -408 384
WIRE 376 400 376 384
WIRE 488 400 488 384
WIRE -184 448 -200 448
WIRE -408 496 -408 480
WIRE -280 496 -280 352
WIRE -280 496 -408 496
WIRE 344 496 344 352
WIRE 376 496 376 480
WIRE 376 496 344 496
WIRE 488 496 488 480
WIRE 568 496 488 496
WIRE -408 512 -408 496
WIRE 376 512 376 496
WIRE 488 512 488 496
WIRE -280 544 -312 544
WIRE -184 544 -200 544
WIRE 248 544 232 544
WIRE 344 544 328 544
WIRE -408 624 -408 592
WIRE -120 624 -120 608
WIRE -120 624 -408 624
WIRE 376 624 376 592
WIRE 376 624 -120 624
WIRE 488 624 488 592
WIRE 488 624 376 624
WIRE -408 640 -408 624
WIRE 72 640 72 608
WIRE 168 640 168 608
WIRE 568 640 568 496
WIRE 568 640 168 640
WIRE -104 672 -120 672
WIRE -24 672 -24 608
WIRE -24 672 -40 672
WIRE -408 720 -408 704
WIRE -312 736 -312 544
WIRE -24 736 -24 672
WIRE -24 736 -312 736
WIRE 72 736 72 720
WIRE 72 736 -24 736
WIRE 344 736 344 544
WIRE 344 736 72 736
FLAG 72 -592 0
FLAG 168 -592 0
FLAG -24 -736 0
FLAG -424 -192 0
FLAG -312 256 0
FLAG -680 -208 0
FLAG -808 -208 0
FLAG -808 -320 OUT1
FLAG -664 -624 IN
FLAG -664 -512 0
FLAG -408 384 0
FLAG -200 448 0
FLAG 376 384 0
FLAG 488 384 0
FLAG 360 256 0
FLAG 440 -192 0
FLAG 712 -208 0
FLAG 824 -208 0
FLAG 824 -320 OUT0
FLAG 264 160 0
FLAG -408 720 0
FLAG -120 672 0
SYMBOL voltage -664 -624 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL cap -40 -720 R0
SYMATTR InstName C1
SYMATTR Value 1
SYMBOL nmos -376 -592 M0
SYMATTR InstName Q1
SYMATTR Value RJK0305DPB
SYMBOL nmos -376 -304 M0
SYMATTR InstName Q2
SYMATTR Value RJK0301DPB
SYMBOL ind -504 -304 M270
SYMATTR InstName L1
SYMATTR Value .56
SYMATTR SpiceLine Rser=1.61m
SYMBOL cap -344 -432 R90
SYMATTR InstName C2
SYMATTR Value .1
SYMBOL schottky -344 -608 R0
SYMATTR Value CMDSH2-3
SYMATTR InstName D1
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap -360 -112 R0
SYMATTR InstName C3
SYMATTR Value .22
SYMBOL res -456 -112 R270
SYMATTR InstName R1
SYMATTR Value 1.58K
SYMBOL cap -232 240 R90
SYMATTR InstName C4
SYMATTR Value 2200p
SYMATTR SpiceLine Rser=4.99K Cpar=220p
SYMBOL cap -696 -304 R0
SYMATTR InstName C5
SYMATTR Value 530
SYMATTR SpiceLine Rser=5m
SYMBOL res -824 -320 R0
SYMATTR InstName R2
SYMATTR Value .12
SYMBOL res -424 496 R0
SYMATTR InstName R3
SYMATTR Value 24.9K
SYMBOL res -424 384 R0
SYMATTR InstName R4
SYMATTR Value 11.3K
SYMBOL res -296 560 R270
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res 56 624 R0
SYMATTR InstName R6
SYMATTR Value 4.99K
SYMBOL res 360 496 R0
SYMATTR InstName R7
SYMATTR Value 10K
SYMBOL res 360 384 R0
SYMATTR InstName R8
SYMATTR Value 15.8K
SYMBOL res 472 496 R0
SYMATTR InstName R9
SYMATTR Value 20K
SYMBOL res 472 384 R0
SYMATTR InstName R10
SYMATTR Value 12.7K
SYMBOL cap 280 240 M90
SYMATTR InstName C6
SYMATTR Value 4700p
SYMATTR SpiceLine Rser=4.99K Cpar=220p
SYMBOL nmos 392 -592 R0
SYMATTR InstName Q3
SYMATTR Value RJK0305DPB
SYMBOL nmos 392 -304 R0
SYMATTR InstName Q4
SYMATTR Value RJK0301DPB
SYMBOL ind 536 -304 R270
SYMATTR InstName L2
SYMATTR Value 1
SYMATTR SpiceLine Rser=2.3m
SYMBOL cap 280 -432 M90
SYMATTR InstName C7
SYMATTR Value .1
SYMBOL schottky 248 -608 R0
SYMATTR Value CMDSH2-3
SYMATTR InstName D2
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL cap 248 -112 R0
SYMATTR InstName C8
SYMATTR Value .22
SYMBOL res 472 -112 M270
SYMATTR InstName R11
SYMATTR Value 2K
SYMBOL cap 696 -304 R0
SYMATTR InstName C9
SYMATTR Value 530
SYMATTR SpiceLine Rser=5m
SYMBOL res 808 -320 R0
SYMATTR InstName R12
SYMATTR Value .22
SYMBOL res 344 560 M270
SYMATTR InstName R13
SYMATTR Value 10K
SYMBOL cap -424 640 R0
SYMATTR InstName C10
SYMATTR Value 1
SYMBOL cap -40 656 R90
SYMATTR InstName C11
SYMATTR Value 1
SYMBOL PowerProducts\\LTC3880 24 16 R0
SYMATTR InstName U1