Datasheet

IEEE 802.3af/at-Compliant, Powered Device Interface
Controller with Integrated Power MOSFET
MAX5969D
_______________________________________________________________________________________ 5
Typical Operating Characteristics
(V
IN
= (V
DD
- V
SS
) = 54V, R
DET
= 24.9kω, R
CLS
= 615ω, and R
SL
= 60.4kω. RTN, WAD, PG, and 2EC unconnected; all voltages are
referenced to V
SS.
)
DETECTION CURRENT
vs. INPUT VOLTAGE
MAX5969D toc01
V
IN
(V)
I
IN
(mA)
8642
0.1
0.2
0.3
0.4
0.5
0
01
0
I
IN
= I
VDD
+ I
DET
R
DET
= 25.4kI
RTN = 2EC = PG = WAD = V
DD
-40°C P T
A
P +85NC
SIGNATURE RESISTANCE
vs. INPUT VOLTAGE
R
SIGNATURE
(kI)
8642
24.5
25.0
25.5
26.0
24.0
01
0
MAX5969D toc02
V
IN
(V)
I
IN
= I
VDD
+ I
DET
R
DET
= 24.9kI
RTN = 2EC = PG = WAD = V
DD
T
A
= -40NC
T
A
= +85NC
T
A
= +25NC
INPUT OFFSET CURRENT
vs. INPUT VOLTAGE
INPUT OFFSET CURRENT (FA)
8642
-2
0
2
4
-4
01
0
MAX5969D toc03
V
IN
(V)
T
A
= +85NC
T
A
= -40NC
T
A
= +25NC
CLASSIFICATION CURRENT vs.
INPUT VOLTAGE
MAX5969D toc04
V
IN
(V)
I
IN
(mA)
252015105
10
20
30
40
50
60
70
0
03
0
CLASS 5
CLASS 4
CLASS 3
CLASS 2
CLASS 1
CLASS 0
2EC SINK CURRENT vs. 2EC VOLTAGE
V
2EC
(V)
I
2EC
(mA)
5040302010
0.4
0.8
1.2
1.6
2.0
0
06
0
MAX5969D toc06
V
SS
UNCONNECTED
V
2EC
REFERENCED TO RTN
V
WAD
= 14V
T
A
= -40NC
T
A
= +85NC
T
A
= +25NC
CLASSIFICATION SETTLING TIME
MAX5969D toc05
V
IN
10V/div
I
IN
200mA/div
V
CLS
1V/div
100Fs/div
R
CLS
= 30.9I
PG SINK CURRENT vs. PG VOLTAGE
V
PG
(V)
I
PG
(FA)
5040302010
100
150
200
250
300
50
06
0
MAX5969D toc07
T
A
= -40NC
T
A
= +85NC
T
A
= +25NC