MAX5971B Maxim Integrated Products, MAX5971B Datasheet - Page 10

• Manufacturer Part Number: MAX5971B
• Description: PSE Controller
• Manufacturer: Maxim Integrated Products

Single-Port, 40W, IEEE 802.3af/at,
PSE Controller with I
(T
10
A
= +25°C, unless otherwise noted.)
_____________________________________________________________________________________
DETECTION IN MIDSPAN WITH INVALID PD (33kΩ)
0mA
0mA
0mA
CLASSIFICATION WITH DIFFERENT PD CLASSES
0V
0V
0V
STARTUP IN MIDSPAN WITH A VALID PD
100ms/div
(0 TO 3)
400ms/div
40ms/div
CLASS 3
CLASS 2
CLASS 1
CLASS 0
MAX5971B toc20a
MAX5971B toc18b
MAX5971B 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
2
C
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
MAX5971B toc20b
MAX5971B toc18a
MAX5971B 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