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Typical operating circuits (continued), Chip information, Package information – Rainbow Electronics MAX5965B User Manual

Page 52

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Typical Operating Circuits (continued)

MAX5965B

-48V

GATE_

INTERNAL PULLDOWN
(MANUAL MODE)

100

Ω

-48VRTN

FDT3612

100V, 120m

Ω

SOT-223

SENSE_

V

EE

OUT_

OFF

ON

DET_

SDAIN

SDAOUT

SCL

DGND

V

DD

A0

A1

A2

A3

OSC_IN

AUTO

MIDSPAN

AGND

INTERNAL PULLDOWN
(SIGNAL MODE)

0.5

Ω

1%

-48V

OUTPUT TO

PORT

-48V RTN
OUTPUT TO PORT

NOTE: ALL SIGNAL PINS ARE REFERENCED TO DGND.

1N4448

1k

Ω

1 OF 4 CHANNELS

1.8V TO 3.7V,

(REF TO DGND)

INT

RESET

3k

Ω

3k

Ω

180

Ω

180

Ω

180

Ω

OPTIONAL BUFFER

INTERNAL

50k

Ω PULLUP

4.7k

Ω

1k

Ω

V

DD

1N4002

CAN BE UP TO 100k

Ω

HPCL063L

OPTIONAL BUFFER

OPTIONAL BUFFER

HPCL063L

HPCL063L

VCCRTN

V

CC

(3.3V)

SCL

SDA

SERIAL INTERF

ACE

3k

Ω

3k

Ω

ISOLATION

DGND MUST BE CONNECTED DIRECTLY TO AGND
FOR AC DISCONNECT DETECTION CIRCUIT TO OPERATE.

0.47

μF

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.

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

© 2009 Maxim Integrated Products

Maxim is a registered trademark of Maxim Integrated Products, Inc.

High-Power, Quad, Monolithic, PSE Controllers
for Power over Ethernet

MAX5965A/MAX5965B