Quad Network Power Controller
for Power-Over-LAN
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MAX5935
-48V
GATE_
INTERNAL PULLDOWN
(MANUAL MODE)
1k&
-48VRTN
FDT3612
100V, 120m&
SOT-223
SENSE_
V
EE
OUT_
OFF
ON
DET_
SDAIN
SDAOUT
SCL
DGND
V
DD
A0
A1
A2
A3
OSC_IN
AUTO
MIDSPAN
AGND
INTERNAL PULLDOWN
(SIGNAL MODE)
0.5&
1%
-48V
OUTPUT TO
PORT
-48V RTN
OUTPUT TO PORT
NOTE: ALL SIGNAL PINS ARE REFERENCED TO DGND.
1N4448
1k&
1 OF 4 CHANNELS
1.8V TO 3.7V,
(REF TO DGND)
INT
RESET
3k&
3k&
180&
180&
180&
OPTIONAL BUFFER
INTERNAL
50k& PULLUP
4.7k&
1k&
V
DD
1N4002
CAN BE UP TO 100k&
HPCL063L
OPTIONAL BUFFER
OPTIONAL BUFFER
HPCL063L
HPCL063L
VCCRTN
V
CC
(3.3V)
SCL
SDA
3k&
3k&
ISOLATION
DGND MUST BE CONNECTED DIRECTLY TO AGND
FOR AC DISCONNECT DETECTION CIRCUIT TO OPERATE.
0.47礔
100V
SHD_
SINE WAVE
100Hz ?0%
PEAK AMPLITUDE 2.2V ?.1V
VALLEY AMPLITUDE 0.2V ?.1V
Typical Operating Circuits (continued)
Typical Operating Circuit 2 (with AC Load Removal Detection)