* SPICE netlist
C1 N013 0 300p
R1 N010 N009 1K
C2 N009 0 3300p
MQ1 N003 N006 IN IN FDC638P
L1 N003 N004 27
R2 N004 +5 50m
R3 N011 N012 1K
C3 N012 0 3300p
C4 N014 0 300p
D1 0 N003 1N5818
Rload2 +5 0 10
MQ2 N002 N005 IN IN FDC638P
L2 N002 N001 27
R5 N001 +3 50m
Rload1 +3 0 5
V1 IN 0 5.75
C5 +5 0 220 Rser=.1 x2
D2 0 N002 1N5818
C6 N004 +5 1000p
C7 N001 +3 1000p
XU1 N001 N007 0 N005 IN N014 N011 +5 N004 N008 0 N006 IN N013 N010 +3 LTC1143 ;pnba Sense+3)SHDN3)GND3)P-drive3)Vin5)Ct5)Ith5)Sense-5)Sense+5)SHND5)GND5)P-drive5)Vin3)Ct3)Ith3)Sense-3
C8 +3 0 220 Rser=.1 x2
.tran 2m startup

* LTspice schematic (.asc)
Version 4
SHEET 1 1728 720
WIRE -32 -360 -864 -360
WIRE -864 -344 -864 -360
WIRE -592 -296 -704 -296
WIRE -576 -296 -592 -296
WIRE -480 -296 -496 -296
WIRE -464 -296 -480 -296
WIRE -320 -296 -384 -296
WIRE -272 -296 -320 -296
WIRE -32 -296 -32 -360
WIRE -32 -296 -176 -296
WIRE 224 -296 -32 -296
WIRE 368 -296 224 -296
WIRE 528 -296 464 -296
WIRE 576 -296 528 -296
WIRE 688 -296 656 -296
WIRE 704 -296 688 -296
WIRE 800 -296 784 -296
WIRE 864 -296 800 -296
WIRE -704 -280 -704 -296
WIRE 864 -280 864 -296
WIRE 528 -264 528 -296
WIRE -864 -248 -864 -264
WIRE -320 -248 -320 -296
WIRE -32 -216 -32 -296
WIRE 224 -216 224 -296
WIRE -704 -184 -704 -200
WIRE 528 -184 528 -200
WIRE 864 -184 864 -200
WIRE -320 -168 -320 -184
WIRE -192 -136 -192 -248
WIRE -160 -136 -192 -136
WIRE 384 -136 384 -248
WIRE 384 -136 352 -136
WIRE -480 -56 -480 -296
WIRE -256 -56 -480 -56
WIRE -160 -56 -256 -56
WIRE 400 -56 352 -56
WIRE 688 -56 688 -296
WIRE 688 -56 400 -56
WIRE -592 24 -592 -296
WIRE -256 24 -256 8
WIRE -256 24 -592 24
WIRE -160 24 -256 24
WIRE 400 24 400 8
WIRE 400 24 352 24
WIRE 800 24 800 -296
WIRE 800 24 400 24
WIRE -592 40 -592 24
WIRE 800 40 800 24
WIRE -160 104 -192 104
WIRE 384 104 352 104
WIRE -592 120 -592 104
WIRE 800 120 800 104
WIRE -336 184 -352 184
WIRE -256 184 -272 184
WIRE -160 184 -176 184
WIRE 368 184 352 184
WIRE 464 184 448 184
WIRE 544 184 528 184
WIRE -96 280 -96 264
WIRE 32 280 32 264
WIRE 160 280 160 264
WIRE 288 280 288 264
WIRE 32 360 32 344
WIRE 160 360 160 344
FLAG 32 360 0
FLAG 288 280 0
FLAG 160 360 0
FLAG 544 184 0
FLAG -352 184 0
FLAG 528 -184 0
FLAG 800 120 0
FLAG 864 -184 0
FLAG -592 120 0
FLAG -704 -184 0
FLAG -864 -248 0
FLAG -96 280 0
FLAG 864 -296 +5
FLAG -704 -296 +3
FLAG -320 -168 0
FLAG -864 -360 IN
SYMBOL cap 16 280 R0
SYMATTR InstName C1
SYMATTR Value 300p
SYMBOL RES -160 168 R90
SYMATTR InstName R1
SYMATTR Value 1K
SYMBOL cap -272 168 R90
SYMATTR InstName C2
SYMATTR Value 3300p
SYMBOL PMOS 464 -248 M270
SYMATTR InstName Q1
SYMATTR Value FDC638P
SYMBOL ind 560 -280 R270
SYMATTR InstName L1
SYMATTR Value 27
SYMBOL res 688 -312 M90
SYMATTR InstName R2
SYMATTR Value 50m
SYMBOL res 352 200 R270
SYMATTR InstName R3
SYMATTR Value 1K
SYMBOL cap 464 200 R270
SYMATTR InstName C3
SYMATTR Value 3300p
SYMBOL cap 144 280 R0
SYMATTR InstName C4
SYMATTR Value 300p
SYMBOL schottky 512 -200 M180
SYMATTR InstName D1
SYMATTR Value 1N5818
SYMBOL res 848 -296 R0
SYMATTR InstName Rload2
SYMATTR Value 10
SYMBOL pmos -272 -248 R270
SYMATTR InstName Q2
SYMATTR Value FDC638P
SYMBOL ind -368 -280 M270
SYMATTR InstName L2
SYMATTR Value 27
SYMBOL res -480 -312 R90
SYMATTR InstName R5
SYMATTR Value 50m
SYMBOL res -720 -296 R0
SYMATTR InstName Rload1
SYMATTR Value 5
SYMBOL VOLTAGE -864 -360 R0
SYMATTR InstName V1
SYMATTR Value 5.75
SYMBOL polcap 784 40 R0
SYMATTR SpiceLine2 x2
SYMATTR Value 220
SYMATTR SpiceLine Rser=.1
SYMATTR InstName C5
SYMBOL schottky -336 -184 M180
SYMATTR InstName D2
SYMATTR Value 1N5818
SYMBOL cap 384 -56 R0
SYMATTR InstName C6
SYMATTR Value 1000p
SYMBOL cap -272 -56 R0
SYMATTR InstName C7
SYMATTR Value 1000p
SYMBOL PowerProducts\\LTC1143L 96 24 R0
SYMATTR InstName U1
SYMBOL polcap -608 40 R0
SYMATTR SpiceLine2 x2
SYMATTR Value 220
SYMATTR SpiceLine Rser=.1
SYMATTR InstName C8