PD69008 - 8 Ports Power Over Ethernet Manager

Microsemi

Analog Mixed Signal Group

Page 10

2381 Morse Avenue, Irvine, CA 92614, USA; Within the USA: (800) 713-4113, Outside the USA: (949) 221-7100 Fax: (949) 756-0308

Copyright

© 2009

Rev. 1.0, 2009-03-15

AT Ports Parameters

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Automatic recovery from

overload shutdown

(can be modified through control port)

5

s

Automatic recovery from no-load

shutdown

(can be modified through control port)

1

s

Cutoff timers accuracy

4

2

0

ms

Inrush current

400

450

mA

Output current operating range

Continuous operation after startup period.

10

643

mA

Output power available,

operating range

Continuous operation after startup period,

at port output.

0.57

36.25

W

0

5

mA

Off mode current

May or may not disconnect for t greater

5

7.5

10

mA

PD power maintenance request

drop-out time limit

Buffer period to handle transitions

300

400

ms

Over load current detection range

686

728

771

mA

Over load time limit

50

75

ms

Turn on rise time

(Specified for PD load consisting of 100 uF capacitor

in parallel to 200

Ω).

15

us

Turn off time

Toff

500

ms

Time Maintain Power Signature

TMPS

DC modulation time for dc disconnect

49

ms

AC disconnect impedance

Zac

27

600

2000

KΩ