MAX5980GTJ+T Maxim Integrated, MAX5980GTJ+T Datasheet - Page 4

• Manufacturer Part Number: MAX5980GTJ+T
• Description: Power Switch ICs - POE / LAN 0-16V Hot-Swap Controller
• Manufacturer: Maxim Integrated

Specifications of MAX5980GTJ+T

• Rohs: yes
• Number Of Switches: Quad
• Off Time (max): 0.1 ms
• Operating Supply Voltage: 32 V to 60 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Maximum Power Dissipation: 2758.6 mW
• Minimum Operating Temperature: - 40 C
• Operating Supply Current: 5 mA

ELECTRICAL CHARACTERISTICS (continued)
(V
values are at V
otherwise.) (Note 2)
Quad, IEEE 802.3at/af PSE Controller
for Power-over-Ethernet
4
PGOOD Hysteresis
PGOOD Low-to-High Glitch Filter
LOAD DISCONNECT
DC Load Disconnect Threshold
Load Disconnect Time
DETECTION
Detection Probe Voltage (First
Phase)
Detection Probe Voltage
(Second Phase)
Current-Limit Protection
Short-Circuit Threshold
Open-Circuit Threshold
Resistor Detection Window
Resistor Rejection Window
CLASSIFICATION
Classification Probe Voltage
Current-Limit Protection
Classification Event Timing
Mark Event Voltage
Mark Event Current Limit
Mark Event Timing
Classification Current Thresholds
AGND
= 32V to 60V, V
PARAMETER
AGND
= 54V, T
EE
= V
DGND
A
= +25NC, and default register settings. Currents are positive when entering the pin, and negative
= 0V, T
I
SYMBOL
MARK_LIM
I
t
t
I
D_OPEN
MARK_E
PG
V
R
V
PGOOD
V
V
CL_LIM
R
t
I
V
t
MARK
DCTH
DISC
DLIM
DBAD
CL_E
DPH1
DPH2
V
I
DCP
DOK
CL
CL
HYS
A
= -40NC to +105NC. All voltages are referenced to V
Time V
set the PGOOD_ bit in register 10h
Minimum V
disconnect (DC disconnect active),
V
Time from V
shutdown (Note 5)
V
phase
V
phase
V
OUT_ during detection
If V
detection phase, a short circuit to AGND is
detected
First point measurement current threshold
for open condition
(Note 5)
Detection rejects lower values
Detection rejects higher values
V
V
through OUT_
V
V
measure current through DET
Classification
current thresholds
between classes
OUT_
AGND
AGND
OUT_
AGND
OUT_
AGND
DET
AGND
= V
OUT_
= 0V
= V
= V
- V
- V
- V
- V
AGND
- V
DET
DET
AGND
OUT_
DET
AGND
SENSE_
SENSE_
OUT_
- V
CONDITIONS
during the first detection
during the second detection
during mark event
, during mark event
EE
during classification
, current measured through
, current measured
< V
has to exceed PGTH to
allowed before
< V
DCP
Class 0, Class 1
Class 1, Class 2
Class 2, Class 3
Class 3, Class 4
Class 4 upper limit
(Note 6)
DCTH
after the first
to gate
1.25
1.50
15.5
13.0
MIN
300
EE
3.8
8.8
5.5
19
32
65
14
34
21
31
45
2
8
7
, unless otherwise noted. Typical
1.875
TYP
12.5
14.5
220
9.1
1.5
6.5
75
18
40
23
33
48
4
9
MAX
26.5
15.2
16.0
400
2.5
4.2
9.4
9.6
7.5
20
86
22
46
11
25
35
51
4
2
UNITS
mA
mA
mA
mA
mV
mV
ms
ms
FA
kI
kI
ms
ms
V
V
V
V
V