MAX5971BETI+ Maxim Integrated Products, MAX5971BETI+ Datasheet - Page 4

• Manufacturer Part Number: MAX5971BETI+
• Description: Hot Swap & Power Distribution IEEE 802.3af/at PSE Controller
• Manufacturer: Maxim Integrated Products

Specifications of MAX5971BETI+

• Lead Free Status / Rohs Status: Details

ELECTRICAL CHARACTERISTICS (continued)
(V
V
Single-Port, 40W, IEEE 802.3af/at,
PSE Controller with I
4
LOAD DISCONNECT
DC Load-Disconnect Threshold
AC Load-Disconnect Threshold
(Note 4)
Triangular Wave Peak-to-Peak
Voltage Amplitude
OSC Pullup/Pulldown Currents
ACD_EN Threshold
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
AGND
AGND
______________________________________________________________________________________
- V
- V
EE
PARAMETER
EE
= +54V, T
= 32V to 60V, T
A
= +25NC. Currents are positive when entering the pin and negative otherwise.) (Note 2)
A
= -40NC to +85NC, all voltages are referenced to V
SYMBOL
V
AMP
I
D_OPEN
R
V
V
ACD_EN
I
I
R
I
t
I
V
DCTH
ACTH
I
ClLIM
DISC
DLIM
DBAD
DPH1
DPH2
V
OSC
DCP
DOK
CL
TRW
Minimum load current allowed before
disconnect (DC disconnect active),
V
Current into DET, for I
powers off (AC disconnect active)
Measured at DET, referred to AGND
Measured at OSC
V
disconnect
Time from I
disconnect active) or I
disconnect active) to gate shutdown
(Note 5)
V
phase
V
phase
V
current through DET
If V
detection phase a short circuit to AGND is
detected.
First point measurement current threshold
for open condition
(Note 6)
Detection rejects lower values
Detection rejects higher values
V
V
measure current through DET
OUT
OSC
AGND
AGND
DET
AGND
DET
AGND
= V
= V
= 0V
- V
- V
- V
- V
2
EE
AGND
AGND
- V
DET
DET
DET
RSENSE
C
> V
OUT
CONDITIONS
during the first detection
during the second detection
during classification
, during classification
ACD_EN
during detection, measure
< V
< I
DCP
DET
DCTH
DET
to activate AC
after the first
< I
< I
(DC
ACTH
ACTH
EE
the port
(AC
, unless otherwise noted. Typical values are at
3.85
1.50
MIN
115
270
300
3.8
26
19
32
16
65
5
9
TYP
1.75
130
330
7.5
9.3
32
20
4
4
1
MAX
2.00
26.5
15.5
145
380
400
4.2
4.2
9.6
10
39
20
80
UNITS
mA
mA
mA
mV
FA
FA
ms
FA
kI
kI
V
V
V
V
V