* SPICE netlist
C1 N001 0 4.7
V1 IN 0 12
R2 IN N002 10K
C4 OUT 0 220 x3 V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V227M006ASE012" type="Tantalum"
R5 N005 0 13.3K
C5 N007 0 .001
Rload OUT 0 .066
D1 0 N002 1N750
C2 OUT 0 220 x3 V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V227M006ASE012" type="Tantalum"
XU1 N007 N006 N005 0 N005 N006 N007 OUT N003 OUT 0 N003 N002 OUT N004 NC_01 NC_02 0 NC_03 MP_04 MP_05 MP_06 MP_07 NC_08 N001 IN MP_09 MP_10 MP_11 MP_12 NC_13 NC_14 0 0 N001 MP_15 MP_16 N002 LTM4650A ;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 .4m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1072 1152
WIRE -8 -560 -8 -576
WIRE -8 -480 -8 -496
WIRE -8 -480 -200 -480
WIRE -424 -464 -536 -464
WIRE -104 -464 -424 -464
WIRE -536 -448 -536 -464
WIRE -424 -448 -424 -464
WIRE 296 -448 -312 -448
WIRE -200 -432 -200 -480
WIRE -104 -432 -104 -464
WIRE -8 -432 -8 -480
WIRE 184 -432 184 -464
WIRE -312 -368 -312 -448
WIRE -296 -368 -312 -368
WIRE 296 -368 296 -448
WIRE 296 -368 280 -368
WIRE -536 -352 -536 -368
WIRE -424 -352 -424 -368
WIRE -312 -352 -312 -368
WIRE -312 -352 -424 -352
WIRE -424 -336 -424 -352
WIRE -424 -256 -424 -272
WIRE -408 -80 -440 -80
WIRE -296 -80 -408 -80
WIRE 344 -80 280 -80
WIRE 472 -80 344 -80
WIRE 536 -80 472 -80
WIRE -408 -64 -408 -80
WIRE 344 -64 344 -80
WIRE 536 -64 536 -80
WIRE -296 16 -344 16
WIRE 296 16 280 16
WIRE -408 32 -408 0
WIRE 344 32 344 0
WIRE 536 32 536 16
WIRE -296 112 -392 112
WIRE 344 112 280 112
WIRE 376 112 344 112
WIRE 376 128 376 112
WIRE -296 208 -376 208
WIRE 312 208 280 208
WIRE 376 224 376 208
WIRE -296 304 -360 304
WIRE 296 304 280 304
WIRE 376 304 296 304
WIRE 376 320 376 304
WIRE -296 400 -312 400
WIRE 376 400 376 384
WIRE -200 480 -200 464
WIRE -104 480 -104 464
WIRE -8 480 -8 464
WIRE 88 480 88 464
WIRE 472 480 472 -80
WIRE 472 480 88 480
WIRE -344 512 -344 16
WIRE 184 512 184 464
WIRE 184 512 -344 512
WIRE -360 528 -360 304
WIRE 296 528 296 304
WIRE 296 528 -360 528
WIRE -376 544 -376 208
WIRE 312 544 312 208
WIRE 312 544 -376 544
WIRE -392 560 -392 112
WIRE 344 560 344 112
WIRE 344 560 -392 560
WIRE -440 576 -440 -80
WIRE 472 576 472 480
WIRE 472 576 -440 576
FLAG -200 480 0
FLAG -8 -576 0
FLAG 184 -464 0
FLAG -536 -352 0
FLAG -424 -256 0
FLAG -312 400 0
FLAG -408 32 0
FLAG -536 -464 IN
FLAG 376 224 0
FLAG 376 400 0
FLAG 536 32 0
FLAG 344 32 0
FLAG 536 -80 OUT
FLAG -104 480 0
FLAG -8 480 0
SYMBOL cap -24 -496 M180
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL voltage -536 -464 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res -440 -464 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL polcap -424 -64 R0
SYMATTR Value 220
SYMATTR Value2 x3
SYMATTR InstName C4
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V227M006ASE012" type="Tantalum"
SYMBOL res 360 112 R0
SYMATTR InstName R5
SYMATTR Value 13.3K
SYMBOL cap 360 320 R0
SYMATTR InstName C5
SYMATTR Value .001
SYMBOL res 520 -80 R0
SYMATTR InstName Rload
SYMATTR Value .066
SYMBOL zener -440 -272 M180
SYMATTR InstName D1
SYMATTR Value 1N750
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL polcap 328 -64 R0
SYMATTR Value 220
SYMATTR Value2 x3
SYMATTR InstName C2
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=3.2 Rser=0.012 Lser=0 mfg="KEMET" pn="T520V227M006ASE012" type="Tantalum"
SYMBOL PowerProducts\\LTM4650A -8 16 R0
SYMATTR InstName U1