MAX5922BEUI datasheet(9/21 Pages) MAXIM

Part #	MAX5922BEUI

Description	48V, Single-Port Network Power Switch For Power-Over-LAN

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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9 / 21 page

+48V, Single-Port Network Power Switch

For Power-Over-LAN

_______________________________________________________________________________________

9

STARTUP WITH VALID PD

(25k

Ω, ZC_EN = LOW)

MAX5922 toc28

100ms/div

0V

5V/div

20V/div

0A

1.25mA/div

0V

VOUT

IOUT

POK

EN

STARTUP WITH

DIFFERENT PD CLASSES

MAX5922 toc29

40ms/div

0V

5V/div

20mA/div

0A

VOUT

IOUT

POK

EN

SHORT TO AGND

CLASS 4

CLASS 3

CLASS 2

CLASS 1

CLASS 0

OVERCURRENT TIMEOUT

(RLOAD FROM 240

Ω to 75Ω)

MAX5922 toc30

2ms/div

5V/div

20V/div

200mA/div

VOUT

IOUT

POK

OUTPUT SHORT-CIRCUIT RESPONSE

MAX5922 toc31

200

µs/div

200mA/div

20V/div

VOUT

IOUT

Typical Operating Characteristics (continued)

(MAX5922A, VIN = 48V, VDIG, EN, LATCH, CLASS, and ZC_EN = 3.3V, DCA, AGND_S = AGND = DGND = 0V, RSENSE = 0.5

Ω ±1%,

UVLO floating, RRCL = 150k

Ω, RRDT = 18.2kΩ, TA = +25°C, unless otherwise noted.)

OUTPUT SHORT-CIRCUIT RESPONSE

MAX5922 toc32

4

µs/div

10A/div

20V/div

VOUT

IOUT

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MAX5922BEUI Datasheet(PDF) 9 Page - Maxim Integrated Products

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