Typical operating characteristics (continued) – Rainbow Electronics MAX5971А User Manual
Page 8
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MAX5971A
Single-Port, 40W, IEEE 802.3af/802.3at PSE
Controller with Integrated MOSFET
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
DETECTION WITH INVALID PD (OPEN CIRCUIT)
MAX5971A toc16d
100ms/div
0V
0mA
V
AGND
- V
OUT
5V/div
I
OUT
1mA/div
DETECTION WITH INVALID PD (33kΩ)
MAX5971A toc16c
100ms/div
0V
0mA
V
AGND
- V
OUT
5V/div
I
OUT
1mA/div
DETECTION WITH INVALID PD (15kΩ)
MAX5971A toc16b
100ms/div
0V
0mA
V
AGND
- V
OUT
5V/div
I
OUT
1mA/div
DETECTION WITH INVALID PD (25kΩ TO 10µF)
MAX5971A toc16a
40ms/div
0V
0mA
V
AGND
- V
OUT
1V/div
I
OUT
1mA/div
STARTUP WITH A VALID PD
MAX5971A toc15
100ms/div
0V
0mA
V
AGND
- V
OUT
20V/div
I
OUT
100mA/div
OVERCURRENT RESTART DELAY
MAX5971A toc14
400ms/div
0V
0mA
V
AGND
- V
OUT
20V/div
I
OUT
200mA/div