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SLVU2.8-4 데이터시트 PDF




Semtech Corporation에서 제조한 전자 부품 SLVU2.8-4은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 SLVU2.8-4 기능
기능 EPD TVS Diodes Array For ESD and Latch-Up Protection
제조업체 Semtech Corporation
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SLVU2.8-4 데이터시트, 핀배열, 회로
PROTECTION PRODUCTS
Description
The SLV series of transient voltage suppressors are
designed to protect low voltage, state-of-the-art CMOS
semiconductors from transients caused by electro-
static discharge (ESD), cable discharge events (CDE),
lightning and other induced voltage surges.
The devices are constructed using Semtech’s propri-
etary EPD process technology. The EPD process pro-
vides low standoff voltages with significant reductions
in leakage currents and capacitance over silicon-
avalanche diode processes. The SLVU2.8-4 features
integrated low capacitance compensation diodes that
reduce the maximum capacitance to <8pF per line.
This, combined with low leakage current, means signal
integrity is preserved in high-speed applications such
as 10/100 Ethernet.
The SLVU2.8-4 is in an SO-8 package and may be used
to protect two high-speed line pairs. The “flow-thru”
design minimizes trace inductance and reduces voltage
overshoot associated with ESD events. The low
clamping voltage of the SLVU2.8-4 minimizes the
stress on the protected IC.
The SLV series TVS diodes will meet the surge require-
ments of IEC 61000-4-2, Level 4.
SLVU2.8-4
EPD TVS™ Diode Array
For ESD and Latch-Up Protection
PRELIMINARY
Features
u 400 Watts peak pulse power (tp = 8/20µs)
u Transient protection for high speed data lines to
IEC 61000-4-2 (ESD) 15kV (air), 8kV (contact)
IEC 61000-4-4 (EFT) 40A (tp = 5/50ns)
IEC 61000-4-5 (Lightning) 24A (tp = 8/20µs)
u Protects two line pairs (four lines)
u Comprehensive pin out for easy board layout
u Low capacitance
u Low leakage current
u Low operating and clamping voltages
u Solid-state EPD TVS process technology
Mechanical Characteristics
u JEDEC SO-8 package
u Molding compound flammability rating: UL 94V-0
u Marking : Part number, date code, logo
u Packaging : Tape and Reel per EIA 481
Applications
u 10/100 Ethernet
u WAN/LAN Equipment
u Switching Systems
u Desktops, Servers, & Notebooks
u Instrumentation
u Base Stations
u Analog Inputs
Circuit Diagram
Schematic & PIN Configuration
Revision 9/2000
SO-8 (Top View)
1 www.semtech.com




SLVU2.8-4 pdf, 반도체, 판매, 대치품
SLVU2.8-4
PROTECTION PRODUCTS
Applications Information
Device Connection for Protection of Four Data Lines
Electronic equipment is susceptible to transient distur-
bances from a variety of sources including: ESD to an
open connector or interface, direct or nearby lightning
strikes to cables and wires, and charged cables “hot
plugged” into I/O ports. The SLVU2.8-4 is designed to
protect sensitive components from damage and latch-
up which may result from such transient events. The
SLVU2.8-4 can be configured to protect two high-
speed line pairs. The device is connected as follows:
SLVU2.8-4 Circuit Diagram
1 . Protection of two high-speed line pairs:
The SLVU2.8-4 is designed such that the data lines
are routed through the device. The first line pair
enters at pins 1 and 2 and exit at pins 8 and 7
respectively. The second line pair enters at pins 3
and 4 and exits at pins 6 and 5. The traces must
be connected at the bottom of the device as
shown.
Circuit Board Layout Recommendations for Suppres-
sion of ESD.
Good circuit board layout is critical for the suppression
of ESD induced transients. The following guidelines are
recommended:
l Place the SLVU2.8-4 near the input terminals or
connectors to restrict transient coupling.
l Minimize the path length between the TVS and the
protected line.
l Minimize all conductive loops including power and
ground loops.
l The ESD transient return path to ground should be
kept as short as possible.
l Never run critical signals near board edges.
l Use ground planes whenever possible.
Low Capacitance Protection of Two Differential Line
Pairs
Line 1
Line 2
Line 3
Line 4
1
2
3
4
8 Line 1
7 Line 2
6 Line 3
5 Line 4
ã 2000 Semtech Corp.
4
www.semtech.com

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SLVU2.8-4 전자부품, 판매, 대치품
PROTECTION PRODUCTS
Outline Drawing - SO-8
SLVU2.8-4
PRELIMINARY
Land Pattern - SO-8
ã 2000 Semtech Corp.
7
www.semtech.com

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SLVU2.8-4

Small Power TVS

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SLVU2.8-4

EPD TVS Diodes Array For ESD and Latch-Up Protection

Semtech Corporation
Semtech Corporation

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