* SPICE netlist
R21 L1_OUT N002 649k
R22 N002 0 1Meg
R25 N003 0 1Meg
L4 N009 vBUCK4 1.5
R4 N005 0 1Meg
L1 N001 vBUCK1 0.82
R6 N008 0 412k
L2 N004 vBUCK2 0.82
R8 N010 0 665k
L3 N007 vBUCK3 1.5
V1 vIN 0 5
RLOAD2 vBUCK2 0 5k
RLOAD3 vBUCK3 0 5
RLOAD4 vBUCK4 0 5
C1 vBUCK1 0 47 Rser=1m
C2 vBUCK2 0 47 Rser=1m
C3 vBUCK3 0 47 Rser=1m
C4 vBUCK4 0 47 Rser=1m
C5 L1_OUT 0 1
R2 L2_OUT N006 102K
C6 L2_OUT 0 1
R11 N006 0 1Meg
R12 L2_OUT 0 5
C7 L3_OUT 0 1
R13 L3_OUT 0 15
RLOAD1 vBUCK1 0 5k
R15 L1_OUT 0 5
R16 PG vIN 100k
C8 vBUCK1 N003 10p Rpar=649k
XU1 N006 vIN L2_OUT L3_OUT vIN L1_OUT vIN N002 vBUCK4 L2_OUT N001 vIN 0 MP_01 vIN vIN vIN vBUCK1 MP_02 N004 vIN N005 N003 N010 N008 MP_03 vIN MP_04 MP_05 L1_OUT N007 MP_06 MP_07 vBUCK2 vIN vIN vBUCK3 MP_08 PG N009 LT3380 Mode_1=0 Mode_2=0 Mode_3=0 Mode_4=0 FSW_1=0 FSW_2=0 FSW_3=0 FSW_4=0 PH_1=0 PH_2=0 PH_3=0 PH_4=0 VFB_1=25 VFB_2=25 VFB_3=25 VFB_4=25 sEn_B1=0 sEn_B2=0 sEn_B3=0 sEn_B4=0 sEn_L1=0 sEn_L2=0 sEn_L3=0 KA_B1=0 KA_B2=0 KA_B3=0 KA_B4=0 KA_L1=0 KA_L2=0 KA_L3=0 EOO_B1=0 EOO_B2=0 EOO_B3=0 EOO_B4=0 EOO_L1=0 EOO_L2=0 EOO_L3=0 tOFF_B1=0 tOFF_B2=0 tOFF_B3=0 tOFF_B4=0 tOFF_L1=0 tOFF_L2=0 tOFF_L3=0 mskPG_B1=1 mskPG_B2=1 mskPG_B3=1 mskPG_B4=1 mskPG_L1=1 mskPG_L2=1 mskPG_L3=1 ;pnba FB_L2)Vin_L2)LDO2)LDO3)Vin_L3)LDO1)Vin_L1)FB_L1)EN_L1)EN_L3)SW1)DVdd)GND))PVin1)PVin2)EN_B1)EN_B2))SW2)PWR_ON)FB_B2)FB_B1)FB_B4)FB_B3))Vin)))EN_L2)SW3)))EN_B3)PVin3)PVin4)EN_B4))PGOOD)SW4
C9 vBUCK2 N005 10p Rpar=1.07Meg
C10 vBUCK3 N008 10p Rpar=1Meg
C11 vBUCK4 N010 10p Rpar=1Meg
.tran 10m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1456 1712
WIRE -360 -856 -392 -856
WIRE -168 -856 -360 -856
WIRE -8 -856 -168 -856
WIRE 152 -856 -8 -856
WIRE -392 -824 -392 -856
WIRE -8 -808 -8 -856
WIRE -168 -760 -168 -856
WIRE -152 -760 -168 -760
WIRE 152 -760 152 -856
WIRE 152 -760 136 -760
WIRE -392 -728 -392 -744
WIRE -648 -664 -696 -664
WIRE -552 -664 -648 -664
WIRE -344 -664 -552 -664
WIRE -152 -664 -344 -664
WIRE 200 -664 136 -664
WIRE 328 -664 280 -664
WIRE 568 -664 328 -664
WIRE 680 -664 568 -664
WIRE 728 -664 680 -664
WIRE 328 -632 328 -664
WIRE 728 -632 728 -664
WIRE -696 -616 -696 -664
WIRE -552 -616 -552 -664
WIRE -344 -616 -344 -664
WIRE 568 -616 568 -664
WIRE -152 -568 -248 -568
WIRE 216 -568 136 -568
WIRE -552 -504 -552 -552
WIRE -488 -504 -552 -504
WIRE -344 -504 -344 -536
WIRE -344 -504 -408 -504
WIRE -248 -504 -248 -568
WIRE -248 -504 -344 -504
WIRE 216 -504 216 -568
WIRE 328 -504 328 -568
WIRE 328 -504 216 -504
WIRE 408 -504 328 -504
WIRE 568 -504 568 -552
WIRE 568 -504 488 -504
WIRE 568 -488 568 -504
WIRE 728 -488 728 -552
WIRE -696 -472 -696 -536
WIRE -552 -472 -552 -504
WIRE -152 -472 -168 -472
WIRE 152 -472 136 -472
WIRE -440 -376 -488 -376
WIRE -328 -376 -440 -376
WIRE -152 -376 -328 -376
WIRE 200 -376 136 -376
WIRE 328 -376 280 -376
WIRE 568 -376 328 -376
WIRE 664 -376 568 -376
WIRE 728 -376 664 -376
WIRE 328 -344 328 -376
WIRE 728 -344 728 -376
WIRE -488 -328 -488 -376
WIRE -328 -328 -328 -376
WIRE 568 -328 568 -376
WIRE -152 -280 -168 -280
WIRE 216 -280 136 -280
WIRE -488 -216 -488 -248
WIRE -328 -216 -328 -264
WIRE 216 -216 216 -280
WIRE 328 -216 328 -280
WIRE 328 -216 216 -216
WIRE 408 -216 328 -216
WIRE 568 -216 568 -264
WIRE 568 -216 488 -216
WIRE 568 -200 568 -216
WIRE 728 -200 728 -264
WIRE -664 -184 -712 -184
WIRE -552 -184 -664 -184
WIRE -344 -184 -552 -184
WIRE -152 -184 -344 -184
WIRE 152 -184 136 -184
WIRE -712 -136 -712 -184
WIRE -552 -136 -552 -184
WIRE -344 -136 -344 -184
WIRE -152 -88 -248 -88
WIRE 184 -88 136 -88
WIRE 312 -88 264 -88
WIRE 552 -88 312 -88
WIRE 664 -88 552 -88
WIRE 712 -88 664 -88
WIRE 312 -56 312 -88
WIRE 712 -56 712 -88
WIRE -552 -40 -552 -72
WIRE -488 -40 -552 -40
WIRE -344 -40 -344 -56
WIRE -344 -40 -408 -40
WIRE -248 -40 -248 -88
WIRE -248 -40 -344 -40
WIRE 552 -40 552 -88
WIRE -712 8 -712 -56
WIRE -552 8 -552 -40
WIRE -152 8 -168 8
WIRE 200 8 136 8
WIRE 200 72 200 8
WIRE 312 72 312 8
WIRE 312 72 200 72
WIRE 392 72 312 72
WIRE 552 72 552 24
WIRE 552 72 472 72
WIRE 552 88 552 72
WIRE 712 88 712 24
WIRE -152 104 -168 104
WIRE 152 104 136 104
WIRE -152 200 -168 200
WIRE 184 200 136 200
WIRE 312 200 264 200
WIRE 552 200 312 200
WIRE 664 200 552 200
WIRE 712 200 664 200
WIRE 312 232 312 200
WIRE 712 232 712 200
WIRE 552 248 552 200
WIRE -152 296 -168 296
WIRE 200 296 136 296
WIRE 200 360 200 296
WIRE 312 360 312 296
WIRE 312 360 200 360
WIRE 392 360 312 360
WIRE 552 360 552 312
WIRE 552 360 472 360
WIRE 552 376 552 360
WIRE 712 376 712 312
WIRE -152 392 -168 392
WIRE 168 392 136 392
WIRE 168 456 168 392
WIRE 216 456 168 456
WIRE 248 456 216 456
WIRE 360 456 328 456
WIRE -152 488 -168 488
WIRE -152 584 -168 584
WIRE -152 680 -168 680
WIRE -152 776 -168 776
WIRE -8 856 -8 840
FLAG -392 -728 0
FLAG -360 -856 vIN
FLAG -696 -472 0
FLAG 568 -488 0
FLAG -168 -472 vIN
FLAG 728 -200 0
FLAG 568 -200 0
FLAG 152 -472 vIN
FLAG 712 88 0
FLAG 552 88 0
FLAG 152 -184 vIN
FLAG 712 376 0
FLAG 552 376 0
FLAG 152 104 vIN
FLAG -552 -472 0
FLAG -712 8 0
FLAG -552 8 0
FLAG -168 -280 vIN
FLAG -488 -216 0
FLAG -328 -216 0
FLAG 664 -376 vBUCK2
FLAG 680 -664 vBUCK1
FLAG 360 456 vIN
FLAG -648 -664 L1_OUT
FLAG -440 -376 L3_OUT
FLAG -664 -184 L2_OUT
FLAG 664 -88 vBUCK3
FLAG 664 200 vBUCK4
FLAG -168 296 vBUCK2
FLAG -168 392 vBUCK3
FLAG -168 488 vBUCK4
FLAG -168 584 L1_OUT
FLAG -168 680 L2_OUT
FLAG 216 456 PG
FLAG -168 104 vIN
FLAG -168 8 vIN
FLAG 728 -488 0
FLAG -168 200 vBUCK1
FLAG -8 856 0
FLAG -168 776 vIN
SYMBOL res -360 -632 R0
SYMATTR InstName R21
SYMATTR Value 649k
SYMBOL res -392 -488 M270
SYMATTR InstName R22
SYMATTR Value 1Meg
SYMBOL res 392 -520 M90
SYMATTR InstName R25
SYMATTR Value 1Meg
SYMBOL ind 168 216 R270
SYMATTR InstName L4
SYMATTR Value 1.5
SYMBOL res 392 -232 M90
SYMATTR InstName R4
SYMATTR Value 1Meg
SYMBOL ind 184 -648 R270
SYMATTR InstName L1
SYMATTR Value 0.82
SYMBOL res 376 56 M90
SYMATTR InstName R6
SYMATTR Value 412k
SYMBOL ind 184 -360 R270
SYMATTR InstName L2
SYMATTR Value 0.82
SYMBOL res 376 344 M90
SYMATTR InstName R8
SYMATTR Value 665k
SYMBOL ind 168 -72 R270
SYMATTR InstName L3
SYMATTR Value 1.5
SYMBOL voltage -392 -840 R0
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 712 -360 R0
SYMATTR InstName RLOAD2
SYMATTR Value 5k
SYMBOL res 696 -72 R0
SYMATTR InstName RLOAD3
SYMATTR Value 5
SYMBOL res 696 216 R0
SYMATTR InstName RLOAD4
SYMATTR Value 5
SYMBOL cap 552 -616 R0
SYMATTR InstName C1
SYMATTR Value 47
SYMATTR SpiceLine Rser=1m
SYMBOL cap 552 -328 R0
SYMATTR InstName C2
SYMATTR Value 47
SYMATTR SpiceLine Rser=1m
SYMBOL cap 536 -40 R0
SYMATTR InstName C3
SYMATTR Value 47
SYMATTR SpiceLine Rser=1m
SYMBOL cap 536 248 R0
SYMATTR InstName C4
SYMATTR Value 47
SYMATTR SpiceLine Rser=1m
SYMBOL cap -568 -616 R0
SYMATTR InstName C5
SYMATTR Value 1
SYMBOL res -360 -152 R0
SYMATTR InstName R2
SYMATTR Value 102K
SYMBOL cap -568 -136 R0
SYMATTR InstName C6
SYMATTR Value 1
SYMBOL res -392 -24 M270
SYMATTR InstName R11
SYMATTR Value 1Meg
SYMBOL res -728 -152 R0
SYMATTR InstName R12
SYMATTR Value 5
SYMBOL cap -344 -328 R0
SYMATTR InstName C7
SYMATTR Value 1
SYMBOL res -504 -344 R0
SYMATTR InstName R13
SYMATTR Value 15
SYMBOL res 712 -648 R0
SYMATTR InstName RLOAD1
SYMATTR Value 5k
SYMBOL res -712 -632 R0
SYMATTR InstName R15
SYMATTR Value 5
SYMBOL res 232 472 R270
SYMATTR InstName R16
SYMATTR Value 100k
SYMBOL cap 312 -632 R0
SYMATTR Value2 Rpar=649k
SYMATTR InstName C8
SYMATTR Value 10p
SYMBOL LT3380 -8 -88 R0
SYMATTR InstName U1
SYMBOL cap 312 -344 R0
SYMATTR Value2 Rpar=1.07Meg
SYMATTR InstName C9
SYMATTR Value 10p
SYMBOL cap 296 -56 R0
SYMATTR Value2 Rpar=1Meg
SYMATTR InstName C10
SYMATTR Value 10p
SYMBOL cap 296 232 R0
SYMATTR Value2 Rpar=1Meg
SYMATTR InstName C11
SYMATTR Value 10p