SENSE_ TRIP VOLTAGE
vs. INPUT VOLTAGE
V
A ND
 - V
EE
  V
56
52
36
40
44
48
185.5
186.0
186.5
187.0
187.5
188.0
188.5
189.0
185.0
32
60
High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet
8  _______________________________________________________________________________________
Typical Operating Characteristics
(V
EE
= -48V, V
DD
= +3.3V, V
AUTO
= V
AGND
= V
DGND
= 0V, RESET = SHD_ = unconnected, R
SENSE_
= 0.5&, IVEE = 00, ICUT = 000,
T
A
= +25癈, all registers = default setting, unless otherwise noted.)
ANALOG SUPPLY CURRENT
vs. INPUT VOLTAGE
V
AGND
 - V
EE
 (V)
56
52
44
48
40
36
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
4.5
32
60
MEASURED AT AGND
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (NC)
60
35
10
-15
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
4.5
-40
85
V
EE
 = -32V
V
EE
 = -60V
V
EE
 = -48V
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (NC)
60
35
10
-15
105
110
115
120
125
130
100
-40
85
V
DD
 = 2.4V
V
DD
 = 3.3V
V
DD
 = 3.6V
MEASURED AT V
DD
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
3.4
3.2
3.0
2.8
2.6
105
110
115
120
125
130
100
2.4
3.6
MEASURED AT V
DD
V
EE
 UNDERVOLTAGE LOCKOUT
vs. TEMPERATURE
TEMPERATURE (NC)
60
35
10
-15
27.5
28.0
28.5
29.0
29.5
30.0
27.0
-40
85
GATE_ OVERDRIVE
vs. INPUT VOLTAGE
V
AGND
 - V
EE
 (V)
56
52
44
48
40
36
9.92
9.94
9.96
9.98
10.00
10.02
10.04
10.06
10.08
10.10
9.90
32
60
GATE_ OVERDRIVE
vs. TEMPERATURE
TEMPERATURE (NC)
60
35
-15
10
9.85
9.90
9.95
10.00
10.10
10.05
10.15
10.20
9.80
-40
85
  SENSE_ TRIP VOLTAGE
vs. TEMPERATURE
TEMPERATURE (NC)
60
35
10
-15
184
188
192
196
180
-40
85
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