* SPICE netlist
MQ1 N007 N009 0 0 FDS6680A
MQ2 N007 N005 IN IN FDC638P
C1 OUT2 0 147 Rser=50m
C2 N013 N014 220p
R1 N014 0 15K
MQ3 N006 N008 0 0 FDS6680A
MQ4 N006 N004 IN IN FDC638P
L1 N006 OUT1 2.47
R2 OUT1 N010 118K
R3 N010 0 59K
C3 N012 N011 220p
R4 N011 0 15K
V1 IN 0 5
R5 IN N001 10K
Rload2 OUT2 0 5
Rload1 OUT1 0 30
C4 OUT1 0 147 Rser=50m
L2 N007 OUT2 2.47
XU1 N006 N002 N010 N012 N003 N015 0 IN OUT1 OUT2 N013 N001 N007 IN 0 N009 N016 N005 0 N004 0 N008 MP_01 IN LTC3776 ;pnba SW1)Iprg1)Vfb1)Ith1)Iprg2)PLLLPF)SGND)Vin)Vref)Vfb2)Ith2)Pgood)SW2)Sense2+)PGND2)BG2)Run/SS)TG2)PGND1)TG1)SYNC/SSEN)BG1))Sense1+
.tran 1.8m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1360 800
WIRE -200 -400 -328 -400
WIRE -8 -400 -200 -400
WIRE 120 -400 -8 -400
WIRE 312 -400 120 -400
WIRE -328 -384 -328 -400
WIRE 120 -384 120 -400
WIRE -328 -288 -328 -304
WIRE -8 -288 -8 -400
WIRE 120 -288 120 -304
WIRE -104 -240 -136 -240
WIRE 248 -240 216 -240
WIRE -200 -176 -200 -400
WIRE -104 -176 -200 -176
WIRE 312 -176 312 -400
WIRE 312 -176 216 -176
WIRE -136 -160 -152 -160
WIRE 264 -160 248 -160
WIRE -136 -112 -136 -160
WIRE -104 -112 -136 -112
WIRE 248 -112 248 -160
WIRE 248 -112 216 -112
WIRE -536 -64 -664 -64
WIRE -456 -64 -536 -64
WIRE -408 -64 -456 -64
WIRE -360 -64 -408 -64
WIRE -200 -64 -200 -80
WIRE -200 -64 -280 -64
WIRE -136 -64 -200 -64
WIRE 312 -64 312 -80
WIRE 312 -64 248 -64
WIRE 408 -64 312 -64
WIRE 536 -64 488 -64
WIRE 584 -64 536 -64
WIRE 680 -64 584 -64
WIRE -664 -48 -664 -64
WIRE -536 -48 -536 -64
WIRE -136 -48 -136 -64
WIRE -104 -48 -136 -48
WIRE 248 -48 248 -64
WIRE 248 -48 216 -48
WIRE 584 -48 584 -64
WIRE 680 -48 680 -64
WIRE -408 -16 -408 -64
WIRE -104 16 -152 16
WIRE 264 16 216 16
WIRE -664 48 -664 32
WIRE -536 48 -536 16
WIRE 584 48 584 16
WIRE 680 48 680 32
WIRE -200 80 -200 32
WIRE -104 80 -200 80
WIRE 312 80 312 32
WIRE 312 80 216 80
WIRE -200 96 -200 80
WIRE 312 96 312 80
WIRE -408 144 -408 64
WIRE -104 144 -408 144
WIRE 536 144 536 -64
WIRE 536 144 216 144
WIRE -408 160 -408 144
WIRE -280 208 -296 208
WIRE -184 208 -200 208
WIRE -104 208 -120 208
WIRE 232 208 216 208
WIRE 312 208 296 208
WIRE 408 208 392 208
WIRE -408 256 -408 240
WIRE -104 272 -120 272
WIRE 232 272 216 272
WIRE -456 336 -456 -64
WIRE -104 336 -456 336
WIRE 232 336 216 336
WIRE 56 400 56 384
FLAG 312 96 0
FLAG 584 48 0
FLAG 408 208 0
FLAG -200 96 0
FLAG -536 48 0
FLAG -408 256 0
FLAG -296 208 0
FLAG 56 400 0
FLAG -328 -288 0
FLAG 680 48 0
FLAG -664 48 0
FLAG -120 272 0
FLAG -328 -400 IN
FLAG -664 -64 OUT1
FLAG 680 -64 OUT2
SYMBOL nmos 264 -64 R0
SYMATTR InstName Q1
SYMATTR Value FDS6680A
SYMBOL pmos 264 -80 M180
SYMATTR InstName Q2
SYMATTR Value FDC638P
SYMBOL cap 568 -48 R0
SYMATTR SpiceLine Rser=50m
SYMATTR InstName C1
SYMATTR Value 147
SYMBOL cap 232 224 R270
SYMATTR InstName C2
SYMATTR Value 220p
SYMBOL res 296 224 R270
SYMATTR InstName R1
SYMATTR Value 15K
SYMBOL nmos -152 -64 M0
SYMATTR InstName Q3
SYMATTR Value FDS6680A
SYMBOL pmos -152 -80 R180
SYMATTR InstName Q4
SYMATTR Value FDC638P
SYMBOL ind -264 -48 M270
SYMATTR InstName L1
SYMATTR Value 2.47
SYMBOL res -424 -32 R0
SYMATTR InstName R2
SYMATTR Value 118K
SYMBOL res -424 144 R0
SYMATTR InstName R3
SYMATTR Value 59K
SYMBOL cap -120 224 M270
SYMATTR InstName C3
SYMATTR Value 220p
SYMBOL res -184 224 M270
SYMATTR InstName R4
SYMATTR Value 15K
SYMBOL voltage -328 -400 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 104 -400 R0
SYMATTR InstName R5
SYMATTR Value 10K
SYMBOL res 664 -64 R0
SYMATTR InstName Rload2
SYMATTR Value 5
SYMBOL res -680 -64 R0
SYMATTR InstName Rload1
SYMATTR Value 30
SYMBOL cap -552 -48 R0
SYMATTR Value 147
SYMATTR SpiceLine Rser=50m
SYMATTR InstName C4
SYMBOL ind 392 -48 R270
SYMATTR InstName L2
SYMATTR Value 2.47
SYMBOL PowerProducts\\LTC3776 56 48 R0
SYMATTR InstName U1