* SPICE netlist
V1 IN 0 12
R1 IN N002 150K
R2 N002 0 100K
C1 OUT1 0 47 x2 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
Rload1 OUT1 0 0.75
R3 N001 0 40.2K
C2 N003 0 0.001
Rload2 OUT2 0 0.6
R4 N004 0 60.4K
C4 N005 0 0.001
Rload3 OUT3 0 0.5
R5 N006 0 90.9K
C6 N007 0 0.001
Rload4 OUT4 0 0.45
R6 N008 0 121K
C8 N009 0 0.001
C3 OUT2 0 47 x2 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
C5 OUT3 0 47 x2 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
C7 OUT4 0 47 x2 V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
XU1 NC_01 IN 0 N001 N003 NC_02 N002 NC_03 OUT1 0 NC_04 0 IN IN IN IN IN NC_05 N002 N004 NC_06 N005 NC_07 NC_08 OUT2 N002 0 N006 N007 NC_09 NC_10 OUT3 0 IN IN NC_11 N002 N008 N009 NC_12 NC_13 OUT4 0 NC_14 LTM4643 ;pnba IntVcc1)SVin1)Mode1)FB1)Track/SS1)Comp1)Run1)Pgood1)Vout1)GND)CLKIn)SGND)Vin1)SVin2)Vin2)SVin3)Vin3)IntVcc2)Run2)FB2)IntVcc3)Track/SS2)Pgood2)Comp2)Vout2)Run3)Mode2)FB3)Track/SS3)Pgood3)Comp3)Vout3)Mode3)SVin4)Vin4)IntVcc4)Run4)FB4)Track/SS4)Pgood4)Comp4)Vout4)Mode4)CLKOut
.tran 350u startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1696 1136
WIRE -752 -568 -848 -568
WIRE -624 -568 -752 -568
WIRE -576 -568 -624 -568
WIRE 752 -568 560 -568
WIRE 848 -568 752 -568
WIRE -848 -552 -848 -568
WIRE 752 -552 752 -568
WIRE 848 -552 848 -568
WIRE -752 -472 -752 -568
WIRE -624 -472 -624 -568
WIRE -576 -472 -624 -472
WIRE 576 -472 560 -472
WIRE 672 -472 656 -472
WIRE -848 -456 -848 -472
WIRE 752 -456 752 -488
WIRE 848 -456 848 -472
WIRE -752 -376 -752 -392
WIRE -656 -376 -752 -376
WIRE -576 -376 -656 -376
WIRE 608 -376 560 -376
WIRE 688 -376 672 -376
WIRE -752 -360 -752 -376
WIRE -624 -280 -624 -472
WIRE -576 -280 -624 -280
WIRE 752 -280 560 -280
WIRE 848 -280 752 -280
WIRE -752 -264 -752 -280
WIRE 752 -264 752 -280
WIRE 848 -264 848 -280
WIRE -624 -184 -624 -280
WIRE -576 -184 -624 -184
WIRE 576 -184 560 -184
WIRE 672 -184 656 -184
WIRE 752 -168 752 -200
WIRE 848 -168 848 -184
WIRE -656 -88 -656 -376
WIRE -576 -88 -656 -88
WIRE 608 -88 560 -88
WIRE 688 -88 672 -88
WIRE -624 8 -624 -184
WIRE -576 8 -624 8
WIRE 752 8 560 8
WIRE 848 8 752 8
WIRE 752 24 752 8
WIRE 848 24 848 8
WIRE -624 104 -624 8
WIRE -576 104 -624 104
WIRE 576 104 560 104
WIRE 672 104 656 104
WIRE 752 120 752 88
WIRE 848 120 848 104
WIRE -656 200 -656 -88
WIRE -576 200 -656 200
WIRE 608 200 560 200
WIRE 688 200 672 200
WIRE -624 296 -624 104
WIRE -576 296 -624 296
WIRE 752 296 560 296
WIRE 848 296 752 296
WIRE 752 312 752 296
WIRE 848 312 848 296
WIRE -624 392 -624 296
WIRE -576 392 -624 392
WIRE 592 392 560 392
WIRE 688 392 672 392
WIRE 752 408 752 376
WIRE 848 408 848 392
WIRE -656 488 -656 200
WIRE -576 488 -656 488
WIRE 608 488 560 488
WIRE 688 488 672 488
WIRE -512 568 -512 552
WIRE -400 568 -400 552
WIRE -288 568 -288 552
WIRE -176 568 -176 552
WIRE -64 568 -64 552
WIRE 496 568 496 552
FLAG -512 568 0
FLAG 496 568 0
FLAG -400 568 0
FLAG -288 568 0
FLAG -176 568 0
FLAG -64 568 0
FLAG -848 -456 0
FLAG -752 -264 0
FLAG -848 -568 IN
FLAG 752 -456 0
FLAG 848 -456 0
FLAG 672 -472 0
FLAG 688 -376 0
FLAG 848 -568 OUT1
FLAG 752 -168 0
FLAG 848 -168 0
FLAG 672 -184 0
FLAG 688 -88 0
FLAG 848 -280 OUT2
FLAG 752 120 0
FLAG 848 120 0
FLAG 672 104 0
FLAG 688 200 0
FLAG 848 8 OUT3
FLAG 752 408 0
FLAG 848 408 0
FLAG 688 392 0
FLAG 688 488 0
FLAG 848 296 OUT4
SYMBOL voltage -848 -568 R0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res -768 -488 R0
SYMATTR InstName R1
SYMATTR Value 150K
SYMBOL res -768 -376 R0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL cap 736 -552 R0
SYMATTR Value2 x2
SYMATTR Value 47
SYMATTR InstName C1
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
SYMBOL res 832 -568 R0
SYMATTR InstName Rload1
SYMATTR Value 0.75
SYMBOL res 560 -456 R270
SYMATTR InstName R3
SYMATTR Value 40.2K
SYMBOL cap 608 -360 R270
SYMATTR InstName C2
SYMATTR Value 0.001
SYMBOL res 832 -280 R0
SYMATTR InstName Rload2
SYMATTR Value 0.6
SYMBOL res 560 -168 R270
SYMATTR InstName R4
SYMATTR Value 60.4K
SYMBOL cap 608 -72 R270
SYMATTR InstName C4
SYMATTR Value 0.001
SYMBOL res 832 8 R0
SYMATTR InstName Rload3
SYMATTR Value 0.5
SYMBOL res 560 120 R270
SYMATTR InstName R5
SYMATTR Value 90.9K
SYMBOL cap 608 216 R270
SYMATTR InstName C6
SYMATTR Value 0.001
SYMBOL res 832 296 R0
SYMATTR InstName Rload4
SYMATTR Value 0.45
SYMBOL res 576 408 R270
SYMATTR InstName R6
SYMATTR Value 121K
SYMBOL cap 608 504 R270
SYMATTR InstName C8
SYMATTR Value 0.001
SYMBOL cap 736 -264 R0
SYMATTR Value2 x2
SYMATTR Value 47
SYMATTR InstName C3
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
SYMBOL cap 736 24 R0
SYMATTR Value2 x2
SYMATTR Value 47
SYMATTR InstName C5
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
SYMBOL cap 736 312 R0
SYMATTR Value2 x2
SYMATTR Value 47
SYMATTR InstName C7
SYMATTR SpiceLine V=6.3 Irms=0 Rser=0.002 Lser=0 mfg="TDK" pn="C4532X5ROJ47@M" type="X5R"
SYMBOL LTM4643 0 -40 R0
SYMATTR InstName U1