ltc4259a-1 Linear Technology Corporation, ltc4259a-1 Datasheet - Page 25

• Manufacturer Part Number: ltc4259a-1
• Description: Quad Ieee 802.3af Power Over Ethernet Controller With Ac Disconnect
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
CONTROLLER
TO
SMBALERT
U1: FAIRCHILD NC7WZ17
U2, U3: AGILENT HCPL-063L
V
DD
U
GND CPU
CPU
SDA
SCL
U
W
U1
0.1µF
200Ω
200Ω
Figure 20. Optoisolating the I
U
HCPL-063L
HCPL-063L
U3
U2
ISOLATED
0.1µF
ISOLATED
200Ω
200Ω
3.3V
GND
10µF
2
+
C Bus
2k
2k
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
0.1µF
V
INT
SCL
SDAIN
SDAOUT
AD0
AD1
AD2
AD3
DGND
AGND
V
INT
SCL
SDAIN
SDAOUT
AD0
AD1
AD2
AD3
DGND
AGND
V
INT
SCL
SDAIN
SDAOUT
AD0
AD1
AD2
AD3
DGND
AGND
V
INT
SCL
SDAIN
SDAOUT
AD0
AD1
AD2
AD3
DGND
AGND
V
INT
SCL
SDAIN
SDAOUT
AD0
AD1
AD2
AD3
DGND
AGND
DD
DD
DD
DD
DD
LTC4259A-1
LTC4259A-1
LTC4259A-1
LTC4259A-1
LTC4259A-1
LTC4259A-1
BYP
BYP
BYP
BYP
BYP
•
•
•
4258A F20
I
2
C ADDRESS
0100000
0100001
0100010
0101110
0101111
25
4259a1fa