MAX5981AETE+ Maxim Integrated Products, MAX5981AETE+ Datasheet - Page 3

• Manufacturer Part Number: MAX5981AETE+
• Description: Power Switch ICs - POE / LAN IEEE 802.3af/at PDIC Controller
• Manufacturer: Maxim Integrated Products

Specifications of MAX5981AETE+

• Lead Free Status / Rohs Status: Details

ELECTRICAL CHARACTERISTICS (continued)
(V
voltages are referenced to V
T
A
IEEE 802.3af/at-Compliant, Powered Device Interface
V
V
V
V
Inrush to Operating Mode
Delay
Isolation Power MOSFET
On-Resistance
RTN Leakage Current
CURRENT LIMIT
Inrush Current Limit
Current Limit During Normal
Operation
Foldback Threshold
LOGIC
WAD Detection Threshold
WAD Detection Threshold
Hysteresis
WAD Input Current
2EC Sink Current
2EC Off-Leakage Current
PG Sink Current
PG Off-Leakage Current
SLEEP MODE
WK and ULP Logic Threshold
SL Logic Threshold
SL Current
LED Current Amplitude
IN
IN
IN
IN
IN
= +25
= (V
Turn-On Voltage
Turn-Off Voltage
Turn-On/-Off Hysteresis
Deglitch Time
DD
N
PARAMETER
C.) (Note 3)
- V
SS
) = 48V, R
_______________________________________________________________________________________
Controllers with
DET
SS,
= 24.9kω, R
unless otherwise noted. T
V
SYMBOL
I
I
t
R
WAD-LKG
RTN_LKG
I
OFF_DLY
WAD-REF
V
t
INRUSH
DELAY
ON_ISO
UVLO
V
HYST_
V
I
I
V
LED
LIM
OFF
ON
TH
CLS
= 615ω, and R
V
V
(Note 7)
V
t
after entering into power mode
I
V
During initial turn-on period,
V
After inrush completed,
V
V
V
to RTN)
V
unconnected
V
V
disconnected
V
V
period
V
V
Falling
R
R
R
R
DELAY
RTN
IN
IN
IN
RTN
RTN
RTN
RTN
WAD
WAD
WAD
2EC
2EC
RTN
PG
WK
SL
SL
SL
SL
rising
falling
falling from 40V to 20V (Note 8)
= 0I
= 60.4kI, V
= 30.2kI, V
= 30.2kI, V
= 60V
= 600mA
falling and V
(Note 9)
= 3.5V (referenced to RTN), V
= 48V
= 12.5V to 30V
= 1.5V
= 1V
= 1.5V, V
rising, V
falling, V
= 10V (referenced to RTN)
= minimum PG current pulse width
A
= T
CONDITIONS
IN
J
SL
RTN
PG
LED
LED
LED
= -40
= 14V to 48V (referenced
Integrated Power MOSFET
ULP
= 60.4kω. RTN, WAD, PG, 2EC, WK, and ULP unconnected, all
= 0.8V, during inrush
T
T
T
= 0V, V
= 3.5V
= 3.75V
= 4V
J
J
J
rising and falling
N
= +25NC
= +85NC
= +125NC
C to +85
SS
N
C, unless otherwise noted. Typical values are at
SS
34.3
0.75
19.5
MIN
720
125
4.2
1.5
30
30
87
90
13
10
19
8
1
120
0.725
TYP
35.4
0.65
135
800
230
10.5
20.9
0.5
0.8
1.5
140
96
0.8
9
MAX
36.6
16.5
2.25
105
180
880
375
0.85
11.5
22.5
0.7
3.5
10
10
1
1
1
3
UNITS
mA
mA
mA
mA
ms
FA
FA
FA
FA
FA
FA
Fs
I
V
V
V
V
V
V
V
V
3