max5952auaxt Maxim Integrated Products, Inc., max5952auaxt Datasheet - Page 49
max5952auaxt
Manufacturer Part Number
max5952auaxt
Description
Max5952 High-power, Quad, Pse Controller For Power-over-ethernet
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX5952AUAXT.pdf
(50 pages)
- Current page: 49 of 50
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Typical Operating Circuit 2 (with AC Load Removal Detection)
V
VCCRTN
CC
SDA
SCL
(3.3V)
NOTE: ALL SIGNAL PINS ARE REFERENCED TO DGND.
OPTIONAL BUFFER
OPTIONAL BUFFER
______________________________________________________________________________________
DGND MUST BE CONNECTED DIRECTLY TO AGND
FOR AC DISCONNECT DETECTION CIRCUIT TO OPERATE.
180Ω
180Ω
3kΩ
ISOLATION
OPTIONAL BUFFER
HPCL063L
180Ω
(REF TO DGND)
1.8V TO 3.7V,
High-Power, Quad, PSE Controller
HPCL063L
HPCL063L
3kΩ
3kΩ
-48V
3kΩ
-48VRTN
V
SDAOUT
SDAIN
SCL
DGND
DD
Typical Operating Circuits (continued)
0.5Ω
for Power-Over-Ethernet
1%
PROCESS: BiCMOS
MAX5952
1 OF 4 CHANNELS
100V, 120mΩ
FDT3612
SOT-223
1N4002
100Ω
MIDSPAN
OSC_IN
RESET
AUTO
SHD_
INT
CAN BE UP TO 100kΩ
1N4448
-48V RTN
OUTPUT TO PORT
50kΩ PULLUP
Chip Information
INTERNAL
1kΩ
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
0.47μF
100V
V
DD
4.7kΩ
ON
OUTPUT TO
PORT
-48V
49
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