HC5503PRCRZ 데이터 시트보기 (PDF) - Intersil

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HC5503PRCRZ

Low Cost SLIC For Large Telecom Switches

Intersil 

HC5503PRC

Functional Diagram

RS

RING SYNC

RC

RING COMMAND

RD

TIP

1/2 RING

RP

TIP

RELAY

RS

2-WIRE

TF

LOOP

VB-

SECONDARY

PROTECTION

VB-

RING

RING

VOLTAGE

VB-

1/2 RING

RELAY

BG

RF

RFS

RS

RP

RING

PD

POWER DENIAL

RS: 100Ω; 1/2W to 2W depending on surge requirements

RP: 50Ω; 1/2W to 2W depending on surge requirements

RING

CONTROL

RING

TRIP

LOOP

MONITORING

SHD SWITCH HOOK

DETECTION

DIFF

AMP

+

TX TRANSMIT

OUTPUT

BATTERY

FEED

LOOP

CURRENT

LIMITER

+1

LINE

DRIVERS

-1

SLIC MICROCIRCUIT

+

OP

AMP

OUT

+IN

-IN

RX RECEIVE

INPUT

7

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