MAX5971A Maxim Integrated Products, MAX5971A Datasheet - Page 9

• Manufacturer Part Number: MAX5971A
• Description: Single-Port 40W IEEE 802.3af/at PSE Controller with Integrated MOSFET
• Manufacturer: Maxim Integrated Products

(T
A
= +25°C, unless otherwise noted.)
DETECTION IN MIDSPAN WITH INVALID PD (33kΩ)
0mA
0mA
0mA
CLASSIFICATION WITH DIFFERENT PD CLASSES
0V
0V
0V
Single-Port, 40W, IEEE 802.3af/802.3at PSE
STARTUP IN MIDSPAN WITH A VALID PD
_______________________________________________________________________________________
100ms/div
(0 TO 3)
400ms/div
40ms/div
CLASS 3
CLASS 2
CLASS 1
CLASS 0
Controller with Integrated MOSFET
MAX5971A toc20a
MAX5971A toc18b
MAX5971A toc17
V
20V/div
I
100mA/div
V
10V/div
I
10mA/div
OUT
V
5V/div
I
1mA/div
OUT
OUT
AGND
AGND
AGND
Typical Operating Characteristics (continued)
- V
- V
- V
OUT
OUT
OUT
DETECTION IN MIDSPAN WITH INVALID PD (15kΩ)
0mA
0mA
0mA
CLASSIFICATION WITH DIFFERENT PD CLASSES
0V
0V
0V
DETECTION IN OUTPUT SHORTED TO AGND
(4 AND 5)
400ms/div
40ms/div
40ms/div
CLASS 5
CLASS 4
MAX5971A toc20b
MAX5971A toc18a
MAX5971A toc19
V
5V/div
I
1mA/div
V
10V/div
I
20mA/div
V
5V/div
I
1mA/div
OUT
OUT
OUT
AGND
AGND
AGND
- V
- V
- V
OUT
OUT
OUT
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