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LCP12

更新时间： 2022-02-26 12:50:14

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
10页	215K
描述
Protection IC for ringing SLICs

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LCP12 数据手册

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LCP12

Protection IC for ringing SLICs

Datasheet − production data

Description

The LCP12 has been developed to protect SLICs

operating on both negative and positive battery

supplies, as well as high voltage SLICs. It

provides crowbar mode protection for both TIP

and RING lines. The surge suppression is

assumed for each wire by two thyristor structures,

one dedicated to positive surges the second one

for negative surges. Both positive and negative

threshold levels are programmable by two gates.

SO-8 wide

LCP12

Features

LCP12 can be used to help equipment to meet

various standards such as UL1950, IEC 60950 /

CSAC22.2, UL1459 and TIA-968-A. LCP12

pinout and clearance is compatible with UL60950.

Resin meets UL94 V0.

•

•

•

•

•

Protection IC recommended for ringing SLICs

Wide firing voltage range: -120 V to +120 V

Low gate triggering current: I = 5 mA max

G

Peak pulse current: I = 50 A (10/1000 µs)

PP

LCP12 is UL497B approved - file: E136224.

Holding current: I = 150 mA min.

H

The LCP12 associated with Epcos PTC model

B59173C1130A151 is compliant with

ITU TK20/K21 (4 kV lightning and AC power fault

tests).

Applications

•

•

•

•

•

Dual battery supply voltage SLICs

Central office (CO)

Figure 1. Functional diagram

TIP

Private branch exchange (PBX)

Digital loop carrier (DLC)

Digital subscriber line access multiplexer

(DSLAM)

Gp

Gn

•

•

•

•

•

Fiber in the loop (FITL)

Wireless local loop (WLL)

Hybrid fiber coax (HFC)

ISDN terminal adapter

Cable modem

GND

RING

Figure 2. Pin-out configuration

TIP

Gⁿ

NC

GND

GND

NC

G^p

RING

TM: Trisil is a trademark of STMicroelectronics

March 2014

DocID17500 Rev 4

1/10

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...10

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