Rainbow-electronics MAX5971B Manuel d'utilisateur télécharger pdf (Page 9)

_______________________________________________________________________________________ 9

MAX5971B

Single-Port, 40W, IEEE 802.3af/at,

PSE Controller with I

Typical Operating Characteristics (continued)

= +25°C, unless otherwise noted.)

DETECTION WITH INVALID PD (OPEN CIRCUIT)

MAX5971B toc16d

100ms/div

0mA

AGND

- V

OUT

5V/div

OUT

1mA/div

DETECTION WITH INVALID PD (33kΩ)

MAX5971B toc16c

100ms/div

0mA

AGND

- V

OUT

5V/div

OUT

1mA/div

DETECTION WITH INVALID PD (15kΩ)

MAX5971B toc16b

100ms/div

0mA

AGND

- V

OUT

5V/div

OUT

1mA/div

DETECTION WITH INVALID PD (25kΩ TO 10µF)

MAX5971B toc16a

40ms/div

0mA

AGND

- V

OUT

1V/div

OUT

1mA/div

STARTUP WITH A VALID PD

MAX5971B toc15

100ms/div

0mA

AGND

- V

OUT

20V/div

OUT

100mA/div

OVERCURRENT RESTART DELAY

MAX5971B toc14

400ms/div

0mA

AGND

- V

OUT

20V/div

OUT

200mA/div

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 45 46

MAX5971B 1
PSE Controller with I 1
Table 40. Register Summary 41

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Rainbow-electronics MAX5971B Manuel d'utilisateur Page 9

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