MAX5940A-MAX5940B datasheet(10/15 Pages) MAXIM

Part #	MAX5940A-MAX5940B

Description	IEEE 802.3af PD Interface Controller For Power-Over-Ethernet

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Manufacturer	MAXIM [Maxim Integrated Products]

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

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10 / 15 page

IEEE 802.3af PD Interface Controller

For Power-Over-Ethernet

10

______________________________________________________________________________________

R1*

60V

68nF

UVLO

GND

VEE

GATE

RCLASS

PGOOD

DC-DC CONVERTER

PHY

GND

-48V

TX

RX

RJ-45

POWER-OVER

SPAIR PAIRS

3

6

1

2

4

5

7

8

GND

-48V

R2*

RCL

*R1 AND R2 ARE OPTIONAL AND WHEN USED, THEY MUST TOTAL 25.5k

Ω AND REPLACE THE 25.5kΩ RESISTOR.

GND

V+

VREG

OUT

1

2

3

4

5

6

7

8

COUT

CGATE

RDISC

25.5k

Ω

SS_SHDN

MAX5014

MAX5940B

POWER-OVER

SIGNAL PAIRS

LOAD

+

-

+

-

VREG

Typical Application Circuits

Application Circuit 1

Figure 4. PD with Power-Over-Ethernet (Power is Provided by Either the Signal Pairs or the Spare Pairs)

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MAX5940A-MAX5940B Datasheet(PDF) 10 Page - Maxim Integrated Products

MAX5940A-MAX5940B Datasheet(HTML) 10 Page - Maxim Integrated Products

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Similar Description - MAX5940A-MAX5940B

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