* SPICE netlist
C1 N002 0 4.7
V1 IN 0 12
R2 IN N001 10K
R5 N004 0 8.25K
C5 N006 0 .0033
C7 OUT 0 100 x4 V=6.3 Irms=3 Rser=0.015 Lser=0 mfg="Panasonic" pn="EEFUD0J101R" type="Al electrolytic"
Rload OUT 0 .19
XU1 N006 N005 N004 0 N004 N005 N006 OUT OUT 0 0 NC_01 N001 OUT NC_02 N003 N003 0 NC_03 MP_04 MP_05 MP_06 MP_07 OUT N002 IN MP_08 MP_09 MP_10 MP_11 NC_12 NC_13 0 0 N002 MP_14 MP_15 N001 LTM4620A ;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
D1 0 N001 1N750
R1 N002 N003 5K
C2 OUT N004 220p
.tran 1m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1232 1152
WIRE -72 -560 -72 -576
WIRE 424 -496 24 -496
WIRE 232 -480 -376 -480
WIRE -72 -464 -72 -496
WIRE -72 -464 -264 -464
WIRE 312 -464 -72 -464
WIRE -504 -432 -616 -432
WIRE -168 -432 -504 -432
WIRE -616 -416 -616 -432
WIRE -504 -416 -504 -432
WIRE 248 -416 -392 -416
WIRE -264 -400 -264 -464
WIRE -168 -400 -168 -432
WIRE -72 -400 -72 -464
WIRE 24 -400 24 -496
WIRE 120 -400 120 -432
WIRE 312 -368 312 -464
WIRE -376 -336 -376 -480
WIRE -376 -336 -504 -336
WIRE -360 -336 -376 -336
WIRE 232 -336 232 -480
WIRE 232 -336 216 -336
WIRE -616 -320 -616 -336
WIRE -504 -304 -504 -336
WIRE -392 -240 -392 -416
WIRE -360 -240 -392 -240
WIRE 248 -240 248 -416
WIRE 248 -240 216 -240
WIRE 312 -240 312 -288
WIRE 312 -240 248 -240
WIRE -504 -224 -504 -240
WIRE -376 -48 -456 -48
WIRE -360 -48 -376 -48
WIRE 280 -48 216 -48
WIRE 424 -48 424 -496
WIRE 424 -48 280 -48
WIRE 504 -48 424 -48
WIRE 616 -48 504 -48
WIRE 504 -32 504 -48
WIRE 616 -32 616 -48
WIRE 280 0 280 -48
WIRE -376 48 -376 -48
WIRE -360 48 -376 48
WIRE 504 64 504 32
WIRE 616 64 616 48
WIRE -360 144 -440 144
WIRE 280 144 280 64
WIRE 280 144 216 144
WIRE 408 144 280 144
WIRE 280 160 280 144
WIRE -360 240 -424 240
WIRE 232 240 216 240
WIRE 280 256 280 240
WIRE -360 336 -408 336
WIRE 248 336 216 336
WIRE 280 336 248 336
WIRE 280 352 280 336
WIRE -360 432 -376 432
WIRE 280 432 280 416
WIRE -264 512 -264 496
WIRE -168 512 -168 496
WIRE -72 512 -72 496
WIRE 24 512 24 496
WIRE -424 528 -424 240
WIRE 232 528 232 240
WIRE 232 528 -424 528
WIRE -408 544 -408 336
WIRE 248 544 248 336
WIRE 248 544 -408 544
WIRE -440 560 -440 144
WIRE 408 560 408 144
WIRE 408 560 -440 560
WIRE -456 576 -456 -48
WIRE 424 576 424 -48
WIRE 424 576 -456 576
FLAG -264 512 0
FLAG -72 -576 0
FLAG 120 -432 0
FLAG -616 -320 0
FLAG -504 -224 0
FLAG -376 432 0
FLAG -616 -432 IN
FLAG 280 256 0
FLAG 280 432 0
FLAG 616 64 0
FLAG 504 64 0
FLAG 616 -48 OUT
FLAG -168 512 0
FLAG -72 512 0
FLAG 24 512 0
SYMBOL cap -88 -496 M180
SYMATTR InstName C1
SYMATTR Value 4.7
SYMBOL voltage -616 -432 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res -520 -432 R0
SYMATTR InstName R2
SYMATTR Value 10K
SYMBOL res 264 144 R0
SYMATTR InstName R5
SYMATTR Value 8.25K
SYMBOL cap 264 352 R0
SYMATTR InstName C5
SYMATTR Value .0033
SYMBOL polcap 488 -32 R0
SYMATTR Value 100
SYMATTR Value2 x4
SYMATTR InstName C7
SYMATTR Description Capacitor
SYMATTR Type cap
SYMATTR SpiceLine V=6.3 Irms=3 Rser=0.015 Lser=0 mfg="Panasonic" pn="EEFUD0J101R" type="Al electrolytic"
SYMBOL res 600 -48 R0
SYMATTR InstName Rload
SYMATTR Value .19
SYMBOL PowerProducts\\LTM4620A -72 48 R0
SYMATTR InstName U1
SYMBOL zener -520 -240 M180
SYMATTR InstName D1
SYMATTR Value 1N750
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 296 -384 R0
SYMATTR InstName R1
SYMATTR Value 5K
SYMBOL cap 264 0 R0
SYMATTR InstName C2
SYMATTR Value 220p