MP8003A – IEEE 802.3af/at, PoE, POWERED DEVICE, INTERFACE CONTROLLER
MP8003A Rev. 1.0 www.MonolithicPower.com 4
7/14/2016 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VDD = 48V, all voltages are with respect to VSS, R
DET
= 24.9kΩ, R
CLASS
= 28.7Ω, T
J
= -40°C to
+125°C, typical values are tested at T
J
= 25°C, unless otherwise noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
Detection
Detection on
V
DET-ON
V
DD
rising
1.9
V
Detection off
V
DET-OFF
V
DD
rising
11
V
DET leakage current
I
DET-LK
V
DET
= V
DD
= 57V, measure I
DET
0.1
5
μA
Bias current
V
DD
= 10.1V, float DET, not in
mark event, measure I
SUPPLY
12
μA
Detection current
I
DET
V
DD
= 2.5V, measure I
SUPPLY
96
99
102
μA
V
DD
= 10.1V, measure I
SUPPLY
395
410
425
μA
Classification
Classification stability time
90
μs
V
CLASS
output voltage
V
CLASS
13V < V
DD
< 21V
1mA < I
CLASS
< 42mA
1.1
1.16
1.21
V
Classification current
I
CLASS
13 ≤ V
VDD
≤ 21V, guaranteed by V
CLASS
R
CLASS
= 578Ω, 13V ≤ V
DD
≤ 21V
1.8
2
2.4
mA
R
CLASS
= 110Ω, 13V ≤ V
DD
≤ 21V
9.9
10.55
11.3
R
CLASS
= 62Ω, 13V ≤ V
DD
≤ 21V
17.7
18.7
19.8
R
CLASS
= 41.2Ω, 13V ≤ V
DD
≤ 21V
26.6
28.15
29.7
R
CLASS
= 28.7Ω, 13V ≤ V
DD
≤ 21V
38.2
40.4
42.6
Classification lower
threshold
V
CL-ON
Regulator turns on, V
DD
rising
11.8
12.5
13
V
Classification upper
threshold
V
CL-OFF
Regulator turns off, V
DD
rising
21
22
23
V
Classification hysteresis
V
CL-HYS
Low-side hysteresis
0.8
V
High-side hysteresis
0.5
Mark event reset threshold
V
MARK-L
4.5
5
5.5
V
Max mark event voltage
V
MARK-H
11
11.5
12
V
Mark event current
I
MARK
0.5
1.5
2
mA
Mark event resistance
R
MARK
2-point measure at 7V and 10V
12
kΩ
IC supply current during
classification
I
IN-CLASS
V
DD
= 17.5V, CLASS floating
220
300
μA
CLASS leakage current
I
LEAKAGE
V
CLASS
= 0V, V
DD
= 57V
1
μA
UVLO
VDD turn on threshold
V
DD-VSS-R
V
DD
rising
35
37.5
40
V
VDD turn off threshold
V
DD-VSS-F
V
DD
falling
29
31
33
V
VDD UVLO hysteresis
V
DD-VSS-HYS
4.9
V
IC supply current during
operation
I
IN
450
μA
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