* SPICE netlist
C1 N003 0 4.7
R1 0 N002 100K
V1 IN 0 12
R2 IN N001 100K
R3 N001 0 20K
R4 N005 0 19.1K
C2 N007 0 .001
C3 OUT1 0 470 Rser=0.05
C4 OUT1 0 100
Rload1 OUT1 0 .3125
R5 N006 0 60.4K
C5 N008 0 .001
C6 OUT2 0 470 Rser=0.05
C7 OUT2 0 100
Rload2 OUT2 0 .15
XU1 N007 NC_01 N005 0 N006 NC_02 N008 OUT2 OUT1 OUT2 0 N004 N001 OUT1 N004 NC_03 NC_04 0 NC_05 MP_06 MP_07 MP_08 MP_09 NC_10 N003 IN MP_11 MP_12 MP_13 MP_14 NC_15 NC_16 0 0 N002 MP_17 MP_18 N001 LTM4620 ;pnba TK/SS1)Comp1)FB1)SGND)FB2)Comp2)TK/SS2)VOUT2)VoutS1)Diffp)Diffn)Diffout)Run2)VOUT1)VoutS2)Pgood1)Pgood2)GND)SW2)))))ExtVcc)IntVcc)Vin)))))SW1)Clkout)PhaseMD)Mode/PLLIN)Fset)))Run1
.tran 750u startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1296 1072
WIRE -168 -520 -168 -536
WIRE 24 -488 24 -504
WIRE -376 -424 -488 -424
WIRE -72 -424 -376 -424
WIRE -488 -408 -488 -424
WIRE -376 -408 -376 -424
WIRE 328 -408 -280 -408
WIRE -168 -392 -168 -440
WIRE -72 -392 -72 -424
WIRE 24 -392 24 -424
WIRE 216 -392 216 -440
WIRE -280 -328 -280 -408
WIRE -264 -328 -280 -328
WIRE 328 -328 328 -408
WIRE 328 -328 312 -328
WIRE -488 -312 -488 -328
WIRE -376 -312 -376 -328
WIRE -280 -312 -280 -328
WIRE -280 -312 -376 -312
WIRE -376 -296 -376 -312
WIRE -376 -200 -376 -216
WIRE -488 -40 -632 -40
WIRE -392 -40 -488 -40
WIRE -280 -40 -392 -40
WIRE -264 -40 -280 -40
WIRE 376 -40 312 -40
WIRE 472 -40 376 -40
WIRE 552 -40 472 -40
WIRE 648 -40 552 -40
WIRE -632 -24 -632 -40
WIRE -488 -24 -488 -40
WIRE -392 -24 -392 -40
WIRE 376 -24 376 -40
WIRE 472 -24 472 -40
WIRE 648 -24 648 -40
WIRE -280 56 -280 -40
WIRE -264 56 -280 56
WIRE 328 56 312 56
WIRE -632 72 -632 56
WIRE -488 72 -488 40
WIRE -392 72 -392 40
WIRE 376 72 376 40
WIRE 472 72 472 40
WIRE 648 72 648 56
WIRE -360 152 -376 152
WIRE -264 152 -280 152
WIRE 344 152 312 152
WIRE 440 152 424 152
WIRE -360 344 -376 344
WIRE -264 344 -296 344
WIRE 344 344 312 344
WIRE 424 344 408 344
WIRE -264 440 -280 440
WIRE -168 520 -168 504
WIRE -72 520 -72 504
WIRE 24 520 24 504
WIRE 216 520 216 504
WIRE 328 520 328 56
WIRE 328 520 216 520
WIRE 120 536 120 504
WIRE 552 536 552 -40
WIRE 552 536 120 536
FLAG -168 520 0
FLAG 24 -504 0
FLAG 216 -440 0
FLAG -168 -536 0
FLAG -488 -312 0
FLAG -376 -200 0
FLAG -376 152 0
FLAG -376 344 0
FLAG -280 440 0
FLAG -632 72 0
FLAG -488 72 0
FLAG -392 72 0
FLAG -488 -424 IN
FLAG -632 -40 OUT1
FLAG 440 152 0
FLAG 424 344 0
FLAG 648 72 0
FLAG 472 72 0
FLAG 376 72 0
FLAG 648 -40 OUT2
FLAG -72 520 0
FLAG 24 520 0
SYMBOL cap 8 -424 M180
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL res -184 -536 R0
SYMATTR InstName R1
SYMATTR Value 100K
SYMBOL voltage -488 -424 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res -392 -424 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL res -392 -312 R0
SYMATTR InstName R3
SYMATTR Value 20K
SYMBOL res -264 136 R90
SYMATTR InstName R4
SYMATTR Value 19.1K
SYMBOL cap -296 328 R90
SYMATTR InstName C2
SYMATTR Value .001
SYMBOL polcap -408 -24 R0
SYMATTR Value 470
SYMATTR InstName C3
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine Rser=0.05
SYMBOL polcap -504 -24 R0
SYMATTR Value 100
SYMATTR InstName C4
SYMATTR Description Capacitor
SYMATTR Type cap
SYMBOL res -648 -40 R0
SYMATTR InstName Rload1
SYMATTR Value .3125
SYMBOL res 328 168 R270
SYMATTR InstName R5
SYMATTR Value 60.4K
SYMBOL cap 344 360 R270
SYMATTR InstName C5
SYMATTR Value .001
SYMBOL polcap 360 -24 R0
SYMATTR Value 470
SYMATTR InstName C6
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine Rser=0.05
SYMBOL polcap 456 -24 R0
SYMATTR Value 100
SYMATTR InstName C7
SYMATTR Description Capacitor
SYMATTR Type cap
SYMBOL res 632 -40 R0
SYMATTR InstName Rload2
SYMATTR Value .15
SYMBOL PowerProducts\\LTM4620 24 56 R0
SYMATTR InstName U1