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PDF RClamp7535M Data sheet ( Hoja de datos )

Número de pieza RClamp7535M
Descripción Low Capacitance TVS
Fabricantes Semtech 
Logotipo Semtech Logotipo



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No Preview Available ! RClamp7535M Hoja de datos, Descripción, Manual

PROTECTION PRODUCTS - RailClamp®
Description
RailClamp® TVS diode arrays are specifically designed
to protect sensitive components which are connected
to high-speed data and transmission lines from over-
voltage caused by ESD (electrostatic discharge), CDE
(Cable Discharge Events), and EFT (electrical fast
transients).
The unique design incorporates surge rated, low
capacitance steering diodes and a TVS diode in a
single package. This allows the device to absorb large
amounts of energy while protecting downstream
components from harmful transient events.
The RClamp®7535M is in a 10-pin MSOP package. The
leads are finished with lead-free matte tin. Each
device will protect up to eight high-speed lines. They
may be used to meet the ESD immunity requirements
of IEC 61000-4-2, Level 4 (15kV air, 8kV contact
discharge). The combination of small size, low capaci-
tance, and high ESD surge capability makes them ideal
for use in applications such as next generation color
LCD displays and LVDS interfaces.
RClamp7535M
Low Capacitance TVS for
LVDS Interfaces
Features
‹ 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) 25A (8/20μs)
‹ Array of surge rated diodes with internal TVS Diode
‹ Small package saves board space
‹ Protects up to eight I/O lines
‹ Low capacitance (<5pF) for high-speed interfaces
‹ Low leakage current and clamping voltage
‹ Low operating voltage: 2.5V
‹ Solid-state silicon-avalanche technology
Mechanical Characteristics
‹ JEDEC MSOP-10L package
‹ Pb-Free, Halogen Free, RoHS/WEEE Compliant
‹ Lead Finish: Matte Sn
‹ Molding compound flammability rating: UL 94V-0
‹ Marking : Marking code + Date code
‹ Packaging : Tape and Reel
Applications
‹ LVDS Interfaces
‹ LCD TV
Circuit Diagram
PIN Configuration
123
4
7
8 9 10
6
Line 1 1
Line 2
Line 3
Line 4
NC
Line 8
Line 7
Line 6
Line 5
GND
Revision 12/14/2010
Pin Assignments
1 www.semtech.com

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RClamp7535M pdf
RClamp7535M
PROTECTION PRODUCTS
Applications Information
Device Connection Options for Protection of Eight
High-Speed Data Lines
This device is designed to protect high-speed data
lines. When the voltage on the protected line exceeds
the breakdown voltage of the internal TVS diode, the
steering diodes are forward biased, conducting the
transient current away from the sensitive circuitry to
ground.
Data lines are connected at pins 1 - 4 and 7 - 10. Pin
6 should be connected directly to a ground plane. The
path length is kept as short as possible to minimize
parasitic inductance. When configured as shown, a
LVDS chip may withstand up to 10A for a 2/10 us
impulse waveform.
The RClamp7535M is constructed using Semtech’s
proprietary EPD process technology. The EPD process
provides low stand-off (turn-on) voltages with
significant reductions while maintaining good clamping
characteristics and high surge capability. They feature
a true operating voltage of 2.5 volts. The
characteristics of the RClamp7535M eliminate the
need to add an external resistor for protection of LVDS
interfaces.
I/O In 1
I/O In 2
I/O In 1
I/O In 1
I/O In 1
I/O In 2
I/O In 1
I/O In 1
© 2010 Semtech Corp.
RClamp7535M
To Protected IC
To Protected IC
To Protected IC
To Protected IC
To Protected IC
To Protected IC
To Protected IC
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Protection of Eight Data Lines
5
www.semtech.com

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