Rainbow-electronics MAX5965B Manual do Utilizador descarregar pdf (Página 52)

Typical Operating Circuits (continued)

MAX5965B

-48V

GATE_

INTERNAL PULLDOWN

(MANUAL MODE)

100Ω

-48VRTN

FDT3612

100V, 120mΩ

SOT-223

SENSE_

OUT_

OFF

DET_

SDAIN

SDAOUT

SCL

DGND

OSC_IN

AUTO

MIDSPAN

AGND

INTERNAL PULLDOWN

(SIGNAL MODE)

0.5Ω

-48V

OUTPUT TO

PORT

-48V RTN

OUTPUT TO PORT

NOTE: ALL SIGNAL PINS ARE REFERENCED TO DGND.

1N4448

1kΩ

1 OF 4 CHANNELS

1.8V TO 3.7V,

(REF TO DGND)

INT

RESET

3kΩ

180Ω

OPTIONAL BUFFER

INTERNAL

50kΩ PULLUP

4.7kΩ

1kΩ

1N4002

CAN BE UP TO 100kΩ

HPCL063L

OPTIONAL BUFFER

HPCL063L

VCCRTN

(3.3V)

SCL

SDA

SERIAL INTERFACE

3kΩ

ISOLATION

DGND MUST BE CONNECTED DIRECTLY TO AGND

FOR AC DISCONNECT DETECTION CIRCUIT TO OPERATE.

0.47μF

100V

SHD_

SINE WAVE

100Hz ±10%

PEAK AMPLITUDE 2.2V ±0.1V

VALLEY AMPLITUDE 0.2V ±0.1V

Typical Operating Circuit 3 (with AC Load Removal Detection)

Chip Information

PROCESS: BiCMOS

Package Information

For the latest package outline information and land patterns, go

to www.maxim-ic.com/packages.

PACKAGE TYPE PACKAGE CODE DOCUMENT NO.

36 SSOP A36-4

21-0040

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are

implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

High-Power, Quad, Monolithic, PSE Controllers

for Power over Ethernet

MAX5965A/MAX5965B

1 2 ... 47 48 49 50 51 52

MAX5965A/MAX5965B 1

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