max5952auaxt Maxim Integrated Products, Inc., max5952auaxt Datasheet - Page 45

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max5952auaxt

Manufacturer Part Number
max5952auaxt
Description
Max5952 High-power, Quad, Pse Controller For Power-over-ethernet
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
Figure 14. PoE System Block Diagram
V
VCCRTN
CC
SDA
SCL
(3.3V)
OPTIONAL BUFFER
OPTIONAL BUFFER
______________________________________________________________________________________
180Ω
180Ω
3kΩ
ISOLATION
OPTIONAL BUFFER
HPCL063L
180Ω
(REF TO DGND)
1.8V TO 5V
High-Power, Quad, PSE Controller
HPCL063L
HPCL063L
3kΩ
3kΩ
-48V
3kΩ
-48VRTN
V
SDAOUT
SDAIN
SCL
DGND
DD
0.5Ω
1%
for Power-Over-Ethernet
MAX5952
1 OF 4 CHANNELS
100V, 120mΩ
FDT3612
SOT-223
1N4002
100Ω
MIDSPAN
OSC_IN
RESET
-48VOUT
AUTO
SHD_
INT
1N4448
50kΩ PULLUP
INTERNAL
1kΩ
DATA
INTERNAL PULLDOWN
(MANUAL MODE)
INTERNAL PULLDOWN
(SIGNAL MODE)
OFF
1kΩ
SINE WAVE
100Hz ±10%
PEAK AMPLITUDE 2.2V ±0.1V
VALLEY AMPLITUDE 0.2V ±0.1V
CONNECTOR
0.47μF
100V
RJ–45
V
DD
1
2
3
6
4
5
7
8
4.7kΩ
ON
SMBJ
58CA
0.1μF
2.2MΩ
-48VOUT
45

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