* SPICE netlist
V1 IN 0 12
C1 OUT1 0 330 V=6.3 Irms=5 Rser=0.01 Lser=0 mfg="KEMET" pn="T530D337M006ASE010" type="Tantalum"
Rload1 OUT1 0 .18
C2 OUT1 0 100 x3 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R"
R1 N005 0 6.34K
C3 OUT0 0 330 V=6.3 Irms=5 Rser=0.01 Lser=0 mfg="KEMET" pn="T530D337M006ASE010" type="Tantalum"
Rload0 OUT0 0 .1
C4 OUT0 0 100 x3 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R"
R2 N007 N001 10K
R3 N001 N003 10K
R4 N001 N002 10K
XU1 OUT0 0 MP_01 MP_02 N006 MP_03 MP_04 N007 IN MP_05 OUT0 MP_06 MP_07 N003 N002 N006 NC_08 NC_09 N005 NC_10 0 NC_11 N004 IN N001 N004 OUT1 MP_12 NC_13 OUT1 MP_14 MP_15 NC_16 0 IN NC_17 NC_18 NC_19 NC_20 MP_21 0 LTM4686 VIN_ON=5.5 VIN_OFF=5 Vout_0=1 Vout_1=1.8 Ilim0_range=1 Ilim1_range=1 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 Vosns0+)Vosns0-)))COMP0a)))SYNC)Vin0))Vout0)))Run0)Run1)COMP0b)Fswphcfg)Vout0_cfg)Vout1_cfg)Vtrim0_cfg)Vtrim1_cfg)VDD25)COMP1b)Vin1)VDD33)COMP1a)Vosns1))SW1)Vout1)))IntVcc)PGND)SVin)Vorb0+)Vorb0-)Vorb1)SW0))SGND
.tran 1.2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1488 1136
WIRE 216 -568 -296 -568
WIRE 344 -568 216 -568
WIRE 472 -568 344 -568
WIRE -296 -552 -296 -568
WIRE 344 -552 344 -568
WIRE -392 -456 -504 -456
WIRE -168 -456 -392 -456
WIRE 440 -456 -168 -456
WIRE -504 -440 -504 -456
WIRE -296 -440 -296 -472
WIRE -168 -440 -168 -456
WIRE 216 -440 216 -568
WIRE 344 -440 344 -472
WIRE -392 -376 -392 -456
WIRE -376 -376 -392 -376
WIRE 440 -376 440 -456
WIRE 440 -376 424 -376
WIRE -504 -344 -504 -360
WIRE -600 -184 -728 -184
WIRE -488 -184 -600 -184
WIRE -392 -184 -488 -184
WIRE -376 -184 -392 -184
WIRE 440 -184 424 -184
WIRE 520 -184 440 -184
WIRE 616 -184 520 -184
WIRE 744 -184 616 -184
WIRE -728 -168 -728 -184
WIRE -600 -168 -600 -184
WIRE -488 -168 -488 -184
WIRE 520 -168 520 -184
WIRE 616 -168 616 -184
WIRE 744 -168 744 -184
WIRE -392 -88 -392 -184
WIRE -376 -88 -392 -88
WIRE 440 -88 440 -184
WIRE 440 -88 424 -88
WIRE -728 -72 -728 -88
WIRE -600 -72 -600 -104
WIRE -488 -72 -488 -104
WIRE 520 -72 520 -104
WIRE 616 -72 616 -104
WIRE 744 -72 744 -88
WIRE -376 104 -392 104
WIRE 440 104 424 104
WIRE -392 200 -392 104
WIRE -376 200 -392 200
WIRE -472 296 -488 296
WIRE -376 296 -392 296
WIRE 440 296 424 296
WIRE -376 392 -408 392
WIRE 440 392 440 296
WIRE 440 392 424 392
WIRE -296 472 -296 456
WIRE -168 472 -168 456
WIRE 88 472 88 456
WIRE -296 568 -296 552
WIRE 472 568 472 -568
WIRE 472 568 -296 568
FLAG -504 -344 0
FLAG -728 -72 0
FLAG -728 -184 OUT1
FLAG -488 -72 0
FLAG -600 -72 0
FLAG -504 -456 IN
FLAG -488 296 0
FLAG -408 392 0
FLAG -168 472 0
FLAG 88 472 0
FLAG 744 -72 0
FLAG 744 -184 OUT0
FLAG 520 -72 0
FLAG 616 -72 0
FLAG 440 104 0
SYMBOL voltage -504 -456 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL polcap -504 -168 R0
SYMATTR Value 330
SYMATTR InstName C1
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=5 Rser=0.01 Lser=0 mfg="KEMET" pn="T530D337M006ASE010" type="Tantalum"
SYMBOL res -744 -184 R0
SYMATTR InstName Rload1
SYMATTR Value .18
SYMBOL cap -616 -168 R0
SYMATTR Value2 x3
SYMATTR Value 100
SYMATTR InstName C2
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R"
SYMBOL res -376 280 R90
SYMATTR InstName R1
SYMATTR Value 6.34K
SYMBOL polcap 504 -168 R0
SYMATTR Value 330
SYMATTR InstName C3
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=5 Rser=0.01 Lser=0 mfg="KEMET" pn="T530D337M006ASE010" type="Tantalum"
SYMBOL res 728 -184 R0
SYMATTR InstName Rload0
SYMATTR Value .1
SYMBOL cap 600 -168 R0
SYMATTR Value2 x3
SYMATTR Value 100
SYMATTR InstName C4
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C575OX5ROJI07M" type="X5R"
SYMBOL res -312 456 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 328 -568 R0
SYMATTR InstName R3
SYMATTR Value 10K
SYMBOL res -312 -568 R0
SYMATTR InstName R4
SYMATTR Value 10K
SYMBOL PowerProducts\\LTM4686 24 8 R0
SYMATTR InstName U1
SYMATTR SpiceLine VIN_ON=5.5 VIN_OFF=5 Vout_0=1 Vout_1=1.8 Ilim0_range=1 Ilim1_range=1 OC_limit0=1 OC_limit1=1 Mode_ll=2 Fault_response=0 Retry_delay=.1m