MAX5981AETE+ Maxim Integrated Products, MAX5981AETE+ Datasheet - Page 5

• 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

(V
voltages are referenced to V
IEEE 802.3af/at-Compliant, Powered Device Interface
IN
0.5
0.4
0.3
0.2
0.1
2.0
1.6
1.2
0.8
0.4
= (V
0
0
0
0
2EC SINK CURRENT vs. 2EC VOLTAGE
DD
I
R
RTN = 2EC = PG = WAD = V
-40°C P T
IN
DET
= I
- V
10
VDD
= 25.4kI
2
DETECTION CURRENT
SS
vs. INPUT VOLTAGE
+ I
A
DET
) = 54V, R
20
P +85NC
T
A
70
60
50
40
30
20
10
_______________________________________________________________________________________
0
= -40NC
4
V
V
V
V
V
SS
2EC
WAD
0
2EC
IN
T
30
FLOATING
A
(V)
REFERENCED TO RTN
= 14V
(V)
= +85NC
Controllers with
CLASSIFICATION CURRENT vs.
6
DD
5
DET
SS.
40
T
A
)
= +25NC
INPUT VOLTAGE
= 24.9kω, R
10
8
50
V
IN
15
CLASS 5
CLASS 4
CLASS 3
CLASS 2
CLASS 1
CLASS 0
(V)
10
60
20
CLS
26.0
25.5
25.0
24.5
24.0
300
250
200
150
100
50
25
= 615ω, and R
0
0
T
PG SINK CURRENT vs. PG VOLTAGE
I
R
RTN = 2EC = PG = WAD = V
IN
A
DET
30
= +25NC
= I
10
= 24.9kI
VDD
SIGNATURE RESISTANCE
2
vs. INPUT VOLTAGE
+ I
DET
T
20
A
= -40NC
SL
T
4
A
V
V
= +85NC
Integrated Power MOSFET
PG
IN
T
= 60.4kω. RTN, WAD, PG, 2EC, WK, and ULP unconnected; all
30
A
(V)
(V)
= -40NC
Typical Operating Characteristics
6
DD
T
A
40
T
= +25NC
A
= +85NC
CLASSIFICATION SETTLING TIME
8
50
10
60
100Fs/div
150
130
110
90
70
50
-2
-4
4
2
0
R
0
0
CLS
T
T
A
A
= 30.9 I
= -40NC
= +25NC
MAX5981 toc05
10
INPUT OFFSET CURRENT
2
INRUSH CURRENT LIMIT
vs. INPUT VOLTAGE
vs. RTN VOLTAGE
20
T
V
10V/div
I
200mA/div
V
1V/div
IN
A
IN
CLS
4
= +85NC
V
V
RTN
IN
30
(V)
(V)
6
40
8
50
10
60
5