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LCP12 fiches techniques PDF

ST Microelectronics - Protection IC for ringing SLICs

Numéro de référence LCP12
Description Protection IC for ringing SLICs
Fabricant ST Microelectronics 
Logo ST Microelectronics 





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LCP12 fiche technique
LCP12
Protection IC for ringing SLICs
SO-8 wide
LCP12
Features
Protection IC recommended for ringing SLICs
Wide firing voltage range: -120 V to +120 V
Low gate triggering current: IG = 5 mA max
Peak pulse current: IPP = 50 A (10/1000 µs)
Holding current: IH = 150 mA min.
Applications
Dual battery supply voltage SLICs
Central office (CO)
Private branch exchange (PBX)
Digital loop carrier (DLC)
Digital subscriber line access multiplexer
(DSLAM)
Fiber in the loop (FITL)
Wireless local loop (WLL)
Hybrid fiber coax (HFC)
ISDN terminal adapter
Cable modem
TM: Trisil is a trademark of STMicroelectronics
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.
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.
LCP12 is UL497B approved - file: E136224.
The LCP12 associated with Epcos PTC model
B59173C1130A151 is compliant with
ITU TK20/K21 (4 kV lightning and AC power fault
tests).
Figure 1. Functional diagram
TIP
Gn Gp
GND
RING
Figure 2. Pin-out configuration
TIP
Gn
Gp
RING
NC
GND
GND
NC
March 2014
This is information on a product in full production.
DocID17500 Rev 4
1/10
www.st.com

PagesPages 10
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