IEEE 802.3af/at-Compliant, Powered Device Interface
Controller with Integrated Power MOSFET
______________________________________________________________________________________ 13
Figure 2. Typical Configuration When Using a 12V Wall Power Adapter
68nF
2-EVENT
CLASSIFICATION
(ASSERTED ON)
ENABLE
DC-DC
CONVERTER
IN+
IN-
RJ-45
AND
BRIDGE
RECTIFIER
GND
GND
-54V
SMAJ58A
MAX5969D
R
DET
24.9kI
R
CLS
V
DD
V
SS
RTN
WAD
PG
DET
CLS
2EC/WAD
2EC
12V
BATTERY
I.5mA
THIS CIRCUIT ACHIEVES
PROPER 2EC LOGIC WHEN
BATTERY IS < 12.5V
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