Rainbow Electronics MAX5971B - Manual (Page 9)

_______________________________________________________________________________________ 9
MAX5971B
Single-Port, 40W, IEEE 802.3af/at,
PSE Controller with I 2 C
Typical Operating Characteristics (continued)
(T
A = +25°C, unless otherwise noted.)
DETECTION WITH INVALID PD (OPEN CIRCUIT)
MAX5971B toc16d
100ms/div
0V
0mA
V AGND - V OUT
5V/div
I OUT
1mA/div
DETECTION WITH INVALID PD (33kΩ)
MAX5971B toc16c
100ms/div
0V
0mA
V AGND - V OUT
5V/div
I OUT
1mA/div
DETECTION WITH INVALID PD (15kΩ)
MAX5971B toc16b
100ms/div
0V
0mA
V AGND - V OUT
5V/div
I OUT
1mA/div
DETECTION WITH INVALID PD (25kΩ TO 10µF)
MAX5971B toc16a
40ms/div
0V
0mA
V AGND - V OUT
1V/div
I OUT
1mA/div
STARTUP WITH A VALID PD
MAX5971B toc15
100ms/div
0V
0mA
V AGND - V OUT
20V/div
I OUT
100mA/div
OVERCURRENT RESTART DELAY
MAX5971B toc14
400ms/div
0V
0mA
V AGND - V OUT
20V/div
I OUT
200mA/div