SENSE TRIP VOLTAGE
vs. INPUT VOLTAGE
INPUT VOLTAGE (V)
57
52
47
42
37
181
182
183
184
185
186
187
188
189
190
180
32
62
High-Power, Quad, PSE Controller
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 VOLTAGEo
INPUT VOLTAGE (V)
57
52
47
42
37
4.4
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
4.3
32
62
MEASURED AT AGND
ANALOG SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (
?/DIV>
C)
60
35
10
-15
4.4
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
4.3
-40
85
DIGITAL SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (癈)
60
35
10
-15
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
-40
85
DIGITAL SUPPLY CURRENT
vs. DIGITAL SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
4.6
4.2
3.8
3.4
3.0
2.6
2.2
1
2
3
4
5
6
0
1.8
5.0
MEASURED AT V
DD
V
EE
UNDERVOLTAGE LOCKOUT
vs. TEMPERATURE
TEMPERATURE (癈)
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
INPUT VOLTAGE (V)
57
52
47
42
37
9.22
9.24
9.26
9.28
9.30
9.32
9.34
9.36
9.38
9.40
9.42
9.44
9.46
9.48
9.20
32
62
GATE OVERDRIVE vs. TEMPERATURE
TEMPERATURE (癈)
60
35
-15
10
7.5
8.0
8.5
9.0
10.0
9.5
10.5
11.0
7.0
-40
85
SENSE TRIP VOLTAGE
vs. TEMPERATURE
TEMPERATURE (癈)
60
35
10
-15
175
180
185
190
195
200
170
-40
85
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