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HC5503PRC

Data Sheet

December 1999

File Number

4806

Low Cost SLIC For Large Telecom

Switches

The HC5503PRC is a low cost SLIC optimized for large

Telecom switches. It combines a 鏗俥xible voltage feed

architecture with the Intersil latch-free DI bonded wafer

process, to provide a low component count, carrier class

solution at very low cost. The re-con鏗乬urable design permits

simple, economical solutions for campus-wide call center

and PBX applications. External components can be used in

conjunction with the high battery voltage capability to meet

the complex impedance and long loop drive requirements of

Central Of鏗乧e switches, worldwide.

Features

鈥?Wide Operating Battery Range (-40V to -58V)

鈥?Single Additional +5V Supply

鈥?30mA Short Loop Current Limit

鈥?Ring Relay Driver

鈥?Switch Hook and Ring Trip Detect

鈥?Low On-Hook Power Consumption

鈥?On-Hook Transmission

鈥?ITU-T Longitudinal Balance Performance

鈥?Loop Power Denial Function

PKG.

NO.

N28.45

M24.3

Ordering Information

PART NUMBER

HC5503PRCM

HC5503PRCB

TEMP.

RANGE (

o

C)

0 to 70

0 to 70

PACKAGE

28 Ld PLCC

24 Ld SOIC

鈥?Thermal Protection

鈥?Supports Tip, Ring or Balanced Ringing Schemes

鈥?Low Pro鏗乴e SO and PLCC Surface Mount Packaging

Applications

鈥?Central Of鏗乧e, PBX, Call Centers

鈥?Related Literature

- AN571, Using Ring Sync with HC-5502A and HC-5504

SLICs

Block Diagram

RD

RING RELAY

DRIVER

4-WIRE

INTERFACE

VF SIGNAL

PATH

TX

RX

RFS

C

2

RING TRIP

DETECTOR

TIP

TF

RING

RF

THERMAL LIMIT

V

BAT

V

CC

AGND

BGND

DGND

BIAS

+

-

C1

OUT

+IN

-IN

2-WIRE

INTERFACE

LOOP CURRENT

DETECTOR

LOGIC

INTERFACE

SHD

RS

RC

PD

1

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 321-724-7143

|

Copyright

漏

Intersil Corporation 1999

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