Rainbow-electronics MAX5971А Manual de usuario descargar pdf (Pagina 7)

_______________________________________________________________________________________ 7

MAX5971A

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

Controller with Integrated MOSFET

Typical Operating Characteristics (continued)

= +25°C, unless otherwise noted.)

ZERO-CURRENT DETECTION WAVEFORM

WITH AC DISCONNECT ENABLED

MAX5971A toc13

100ms/div

0mA

AGND

- V

OUT

20V/div

OUT

100mA/div

ZERO-CURRENT DETECTION WAVEFORM

WITH DC DISCONNECT ENABLED

MAX5971A toc12

100ms/div

0mA

AGND

- V

OUT

20V/div

OUT

100mA/div

EN TO OUT TURN-OFF DELAY

MAX5971A toc11

100µs/div

0mA

AGND

- V

OUT

20V/div

OUT

200mA/div

5V/div

SHORT-CIRCUIT TRANSIENT RESPONSE

MAX5971A toc10

10µs/div

0mA

AGND

- V

OUT

20V/div

OUT

5A/div

SHORT-CIRCUIT RESPONSE TIME

MAX5971A toc09

20ms/div

0mA

AGND

- V

OUT

20V/div

OUT

200mA/div

OVERCURRENT TIMEOUT (240Ω TO 138Ω)

MAX5971A toc08

20ms/div

0mA

AGND

- V

OUT

20V/div

OUT

200mA/div

1 2 3 4 5 6 7 8 9 10 11 12 ... 20 21

MAX5971A 1

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Rainbow-electronics MAX5971А Manual de usuario Pagina 7

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