MAX5965BUAX+ Maxim Integrated Products, MAX5965BUAX+ Datasheet - Page 5

• Manufacturer Part Number: MAX5965BUAX+
• Description: IC PSE CTRLR FOR POE 36SSOP
• Manufacturer: Maxim Integrated Products
• Type: Power Over Ethernet Controller (PoE)r

Specifications of MAX5965BUAX+

• Applications: IP Phones, Power over LAN, Network Routers and Switches
• Internal Switch(s): No
• Voltage - Supply: 2.4 V ~ 3.6 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-BSOP (0.300", 7.5mm Width)
• Supply Voltage (max): 60 V
• Supply Voltage (min): 32 V
• Power Dissipation: 1388.9 mW
• Operating Temperature Range: 0 C to + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
V
wise.) (Note 2)
LOAD DISCONNECT
DC Load Disconnect
Threshold
AC Load Disconnect
Threshold
Oscillator Buffer Gain
OSC Fail Threshold
OSC Input Impedance
Load Disconnect Timer
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 Current
Thresholds
AGND
AGND
High-Power, Quad, Monolithic, PSE Controllers
= +48V, V
= 32V to 60V, V
PARAMETER
DGND
_______________________________________________________________________________________
EE
= +48V, V
= 0V, V
DD
DD
V
SYMBOL
I
OSC_FAIL
D_OPEN
to V
V
R
V
V
I
I
A
Z
R
t
I
V
= (V
ACTH
CILIM
DCTH
DISC
DLIM
DBAD
V
DPH1
DPH2
I
OSC
OSC
DCP
DOK
CL
CL
DGND
DGND
= +3.3V, all voltages are referenced to V
Minimum V
(DC disconnect active), V
Current into DET_, for I < I
powers off, ACD_EN_ bit = H; V
MAX5965B (Note 6)
V
Port does not power on if V
and ACD_EN_ bit is high, MAX5965B (Note 7)
OSC input impedance when all the ACD_EN_
are active, MAX5965B
Time from V
(Note 8)
AGND - V
phase
AGND - V
phase
V
current through DET_
If AGND - V
detection phase a short circuit to AGND is
detected
First point measurement current threshold for
open condition
(Note 9)
Detection rejects lower values
Detection rejects higher values
V
DET_ = AGND, during classification
Classification current
thresholds between
classes
+ 3.3V), T
DET_
DET_
AGND
/V
= AGND, during detection, measure
- V
OSC
DET_
DET_
DET_
A
SENSE_
OUT_
SENSE_
, ACD_EN_ bit = H, MAX5965B
= +25°C. Currents are positive when entering the pin and negative other-
during the first detection
during the second detection
during classification
CONDITIONS
< V
allowed before disconnect
for Power over Ethernet
< V
DCP
DCTH
after the first
OUT_
ACTH
OSC
Class 0, Class 1
Class 1, Class 2
Class 2, Class 3
Class 3, Class 4
Class 4, Class 5
to gate shutdown
= 0V
OSC
< V
the port
OSC_FAIL
= 2.2V,
EE
, unless otherwise noted. Typical values are at
19.0
MIN
285
100
300
2.5
2.9
1.8
3.8
9.0
1.5
5.5
32
16
68
13
21
31
45
TYP
3.75
12.5
14.5
320
3.0
9.3
1.8
6.5
23
33
48
4
1
MAX
26.5
15.2
360
400
5.0
3.1
2.2
4.2
9.6
2.2
7.5
20
80
16
25
35
51
UNITS
mV
V/V
mA
mA
mA
ms
µA
kΩ
µA
kΩ
kΩ
V
V
V
V
V
5