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LC04-12TE Schematic ( PDF Datasheet ) - Semtech

Teilenummer LC04-12TE
Beschreibung Dual Low Capacitance TVS Array for Telecom Line-Card Applications
Hersteller Semtech
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Gesamt 8 Seiten
LC04-12TE Datasheet, Funktion
LC04-12
Dual Low Capacitance TVS Array
for Telecom Line-Card Applications
PROTECTION PRODUCTS
Description
Features
The LC04-12 has been specifically designed to protect
sensitive components which are connected to high-
speed telecommunications lines from over voltages
caused by lightning, ESD (electrostatic discharge), and
EFT (electrical fast transients).
The device is in a JEDEC SO-16 NB package. It is
designed to provide metallic (Tip to Ring) or common
mode (Tip to Ground & Ring to Ground) surge protec-
tion for up to two Tip and Ring pairs. The low capaci-
tance topology means signal integrity is preserved on
high-speed lines. The high surge capability (600W,
tp=10/1000µs) makes the LC04-12 suitable for
telecommunications systems operating in harsh tran-
sient environments. The LC04-12 is designed to meet
the lightning surge requirements of Bellcore GR-
1089(intra-building), ITU K.20, and IEC 61000-4-5.
The features of the LC04-12 are ideal for protecting
ADSL, RS-232, RS-423, RS-422, and V.90 interfaces.
u Transient protection for high-speed data lines to
Bellcore GR 1089 IPP=100A (2/10µs)
ITU K.20 IPP=100A (5/310µs)
IEC 61000-4-2 (ESD) 15kV (air), 8kV (contact)
IEC 61000-4-5 (Lightning) IPP=100A (8/20µs)
u Protects two tip and ring line pairs
u Low capacitance for high-speed interfaces
u High surge capability
u Low clamping voltage
u Solid-state silicon avalanche technology
Mechanical Characteristics
u JEDEC SO-16 package
u Molding compound flammability rating: UL 94V-0
u Marking : Part number, date code, logo
u Packaging : Tube or Tape and Reel per EIA 481
Applications
u ADSL/HDSL
u RS-232 & RS-423
u V.90
u WAN/LAN Equipment
u Cable Modems
Circuit Diagram
TIP
Schematic & PIN Configuration
RING
Revision 9/2000
SO-16 (Top View)
1 www.semtech.com






LC04-12TE Datasheet, Funktion
PROTECTION PRODUCTS
Typical Applications
LC04-12
Figure 3 - ADSL Protection (Remote Terminal)
Component Part
Number
TVS LC04-12
D1 & D2
ES1A
Description
Low capacitance
TVS diode array
Ultrafast surface
mount rectifier
Figure 4- LC04-12 Configured for 24V Lines (ADSL Central Office)
ã 2000 Semtech Corp.
6
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LC04-12TEDual Low Capacitance TVS Array for Telecom Line-Card ApplicationsSemtech
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