max5965a Maxim Integrated Products, Inc., max5965a Datasheet - Page 51

• Manufacturer Part Number: max5965a
• Description: High-power, Quad, Monolithic, Pse Controllers For Power Over Ethernet
• Manufacturer: Maxim Integrated Products, Inc.

Typical Operating Circuit 2 (without AC Load Removal Detection); Alternative DGND Connection
High-Power, Quad, Monolithic, PSE Controllers
V
VCCRTN
CC
SDA
SCL
(3.3V)
NOTE: ALL SIGNAL PINS ARE REFERENCED TO DGND.
OPTIONAL BUFFER
OPTIONAL BUFFER
______________________________________________________________________________________
HPCL063L
DGND RANGE IS BETWEEN V
180Ω
180Ω
3kΩ
ISOLATION
OPTIONAL BUFFER
180Ω
(REF TO DGND)
1.8V TO 3.7V,
EE
AND (AGND + 4V).
3kΩ
HPCL063L
HPCL063L
3kΩ
3kΩ
-48V
-48VRTN
V
SDAOUT
SDAIN
SCL
DGND
DD
Typical Operating Circuits (continued)
for Power over Ethernet
0.5Ω
1%
MAX5965A
MAX5965B
1 OF 4 CHANNELS
100V, 120mΩ
FDT3612
SOT-223
100Ω
MIDSPAN
RESET
SHD_
AUTO
OSC
1N4448
INT
CAN BE UP TO 100kΩ
-48V RTN
OUTPUT TO PORT
50kΩ PULLUP
INTERNAL
INTERNAL PULLDOWN
(MANUAL MODE)
INTERNAL PULLDOWN
(SIGNAL MODE)
N.C.
OUTPUT TO
OFF
1kΩ
PORT
-48V
V
DD
4.7kΩ
ON
51