Version 4
SHEET 1 940 792
WIRE -192 0 -528 0
WIRE 304 0 -192 0
WIRE 352 0 304 0
WIRE 512 0 448 0
WIRE 656 0 608 0
WIRE 704 0 656 0
WIRE 800 0 704 0
WIRE -528 16 -528 0
WIRE -192 16 -192 0
WIRE 704 16 704 0
WIRE 800 16 800 0
WIRE 432 64 432 48
WIRE 480 64 432 64
WIRE 528 64 528 48
WIRE 528 64 480 64
WIRE -528 112 -528 96
WIRE -192 112 -192 96
WIRE -96 112 -192 112
WIRE 16 112 -96 112
WIRE 304 112 304 0
WIRE 304 112 272 112
WIRE 704 112 704 80
WIRE 800 112 800 96
WIRE -192 128 -192 112
WIRE 16 192 0 192
WIRE 480 192 480 64
WIRE 480 192 272 192
WIRE -192 224 -192 208
WIRE 16 272 0 272
WIRE 656 272 656 0
WIRE 656 272 272 272
WIRE -96 352 -96 112
WIRE -80 352 -96 352
WIRE 16 352 0 352
WIRE 496 352 272 352
WIRE 16 432 0 432
WIRE 304 432 272 432
WIRE 496 448 496 352
WIRE 304 496 304 432
WIRE 304 496 -288 496
WIRE 416 496 304 496
WIRE 656 496 656 272
WIRE 656 496 512 496
WIRE -288 512 -288 496
WIRE -288 608 -288 592
FLAG -528 112 0
FLAG -192 224 0
FLAG -288 608 0
FLAG 0 272 0
FLAG 800 112 0
FLAG 704 112 0
FLAG 0 192 0
SYMBOL voltage -528 0 R0
WINDOW 123 24 138 Left 2
WINDOW 39 24 117 Left 2
SYMATTR Value PWL(0 9 1 14 2 14 3 9)
SYMATTR InstName V1
SYMBOL pmos 352 48 R270
WINDOW 0 52 49 VTop 2
WINDOW 3 -14 77 VLeft 2
SYMATTR InstName Q1
SYMATTR Value IRF7210
SYMBOL pmos 608 48 M270
WINDOW 0 52 47 VTop 2
WINDOW 3 -13 71 VLeft 2
SYMATTR InstName Q2
SYMATTR Value IRF7210
SYMBOL res -208 224 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R1
SYMATTR Value 24.9K
SYMBOL res 16 336 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 187K
SYMBOL res -208 112 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R3
SYMATTR Value 221K
SYMBOL pmos 416 448 M90
WINDOW 0 -12 66 VLeft 2
WINDOW 3 54 66 VTop 2
SYMATTR InstName Q3
SYMATTR Value IRF7210
SYMBOL voltage -288 496 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 10.8
SYMBOL res 784 0 R0
SYMATTR InstName Rload
SYMATTR Value 100
SYMBOL cap 688 16 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMBOL LTC4416-1 144 272 R0
SYMATTR InstName U1
TEXT 584 552 Left 2 !.tran 3.2 startup
TEXT 152 -32 Bottom 2 ;Automatic PowerPath Switchover
TEXT -528 0 Bottom 2 ;Primary Supply
TEXT -288 496 Bottom 2 ;Backup Supply
TEXT 800 0 Bottom 2 ;LOAD