slvu2.8 Semtech Corporation, slvu2.8 Datasheet

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slvu2.8

Manufacturer Part Number
slvu2.8
Description
Slvu2.8 Low-voltage Epd Tvs Diode For Esd And Latch-up Protection
Manufacturer
Semtech Corporation
Datasheet

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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 features an
integrated low capacitance compensation diode that
allows the device to be configured to protect one
unidirectional line or, when paired with a second
SLVU2.8, two high-speed line pairs. The low capaci-
tance design of the SLVU2.8 means signal integrity is
preserved in high-speed applications such as 10/100
Ethernet.
The SLVU2.8 is in an SOT23 package and has a low
2.8 volt working voltage. It is specifically designed to
protect low voltage components such as Ethernet
transceivers, laser diodes, ASICs, and high-speed RAM.
The low clamping voltage of the SLVU2.8 minimizes the
stress on the protected IC.
The SLV series TVS diodes will exceed the surge re-
quirements of IEC 61000-4-2, Level 4.
Revision 06/16/04
PROTECTION PRODUCTS
PROTECTION PRODUCTS
Description
Circuit Diagram
3
1
2
1
Features
Mechanical Characteristics
Applications
Schematic & PIN Configuration
For ESD and Latch-Up Protection
400 Watts peak pulse power (t
Transient protection for high speed data lines to
IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)
IEC 61000-4-4 (EFT) 40A (5/50ns)
IEC 61000-4-5 (Lightning) 24A (8/20µs)
One device protects one unidirectional line
Two devices protect two high-speed line pairs
Low capacitance
Low leakage current
Low operating and clamping voltages
Solid-state EPD TVS process technology
JEDEC SOT23 package
Molding compound flammability rating: UL 94V-0
Marking : U2.8
Packaging : Tape and Reel per EIA 481
10/100 Ethernet
WAN/LAN Equipment
Switching Systems
Desktops, Servers, Notebooks & Handhelds
Laser Diode Protection
Base Stations
Low Voltage EPD TVS™ ™ ™ ™ ™ Diode
1
2
SOT23 (Top View)
p
= 8/20µs)
3
www.semtech.com
SLVU2.8

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slvu2.8 Summary of contents

Page 1

... SLVU2.8, two high-speed line pairs. The low capaci- tance design of the SLVU2.8 means signal integrity is preserved in high-speed applications such as 10/100 Ethernet. The SLVU2 SOT23 package and has a low 2.8 volt working voltage specifically designed to protect low voltage components such as Ethernet transceivers, laser diodes, ASICs, and high-speed RAM. ...

Page 2

... ° SLVU2 ...

Page 3

... Waveform Parameters 8µ 20µ ( SLVU2.8 Power Derating Curve 100 125 o Ambient Temperature - Pin Parameters Peak Pulse Current - I (A) PP Capacitance vs. Reverse Voltage f = 1MHz 0.5 1 1.5 2 Reverse Voltage - V ...

Page 4

... PROTECTION PRODUCTS PROTECTION PRODUCTS Typical Characteristics (Continued) Insertion Loss S21 CH1 S21 LOG REF 0 dB START . 030 MHz 2004 Semtech Corp. STOP 000 . 000 000 MHz 3 4 SLVU2.8 www.semtech.com ...

Page 5

... 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 is designed to protect sensitive components from damage and latch- up which may result from such transient events. The SLVU2 ...

Page 6

... ESD. Good circuit board layout is critical for the suppression of ESD induced transients. The following guidelines are recommended: Place the SLVU2.8 near the input terminals or connectors to restrict transient coupling. Minimize the path length between the TVS and the protected line. Minimize all conductive loops including power and ground loops ...

Page 7

... PROTECTION PRODUCTS PROTECTION PRODUCTS Typical Applications (Reference Semtech Application Note SI98-02 for more information) 10/100 Ethernet “Enhanced” Lightning Protection Circuit (Reference Semtech Application Note SI98-02 for more information) 2004 Semtech Corp. 10/100 Ethernet Protection Circuit 7 SLVU2.8 www.semtech.com ...

Page 8

... Semtech Corp. H GAUGE PLANE SEATING E PLANE 0.25 C DETAIL aaa C 3X SIDE VIEW SEATING PLANE C -H- X DIM SLVU2.8 DIMENSIONS INCHES MILLIMETERS DIM MIN NOM MAX MIN NOM - A .035 .044 0. .000 .004 0.01 A2 .035 .037 .040 0.88 0. .012 .020 0.30 ...

Page 9

... Contact Information Phone: (805)498-2111 FAX (805)498-3804 2004 Semtech Corp Semtech Corporation Protection Products Division 200 Flynn Road, Camarillo, CA 93012 9 SLVU2.8 www.semtech.com ...

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