MAX5971A Maxim Integrated Products, MAX5971A Datasheet - Page 16
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MAX5971A
Manufacturer Part Number
MAX5971A
Description
Single-Port 40W IEEE 802.3af/at PSE Controller with Integrated MOSFET
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5971A.pdf
(21 pages)
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Figure 1. Detection, Classification, and Port Power-Up Sequence
Figure 2. Detection, 2-Event Classification, and Port Power-Up Sequence
Single-Port, 40W, IEEE 802.3af/802.3at PSE
Controller with Integrated MOSFET
16
_____________________________________________________________________________________
-9.3V
-9.3V
-18V
-48V
-18V
-48V
-4V
-4V
0V
0V
V
V
OUT
OUT
80ms
80ms
t
DET(1)
150ms
150ms
t
DET(1)
t
DET(2)
150ms
150ms
t
DET(2)
t
t
CLASS
CLASS(1)
19ms
19ms
9ms
t
CLASS(2)
19ms
9ms
t
t