UCLAMP3324P.TCT【PDF 1/6 页】TVS ARRAY UCLAMP 3.3V 8-SLP

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uClamp3324P

Low Voltage TVS

for ESD Protection

PROTECTION PRODUCTS - MicroClamp TM

The μClamp series of TVS arrays are designed to

Description

protect sensitive electronics from damage or latch-up

due to ESD, lightning, and other voltage-induced

transient events. Each device will protect up to four

lines operating at 3.3 volts .

The μClamp TM 3324P is a solid-state device designed

specifically for transient suppression. It is constructed

using Semtech’s proprietary EPD process technology.

The EPD process provides low standoff voltages with

significant reductions in leakage currents and capaci-

tance over traditional pn junction processes. They offer

desirable characteristics for board level protection

including fast response time, low clamping voltage and

no device degradation.

The μClamp3324P may be used to meet the immunity

requirements of IEC 61000-4-2, level 4 (±15kV air,

±8kV contact discharge). The “flow-thru” design of the

device results in enhanced ESD performance due to

reduced board trace inductance. The result is lower

clamping voltage and a higher level of protection when

compared to conventional TVS devices.

The μClamp3324P is in an 8-pin, RoHs compliant,

SLP2116P8 package. It measures 2.1 x 1.6 x

0.58mm. The leads are spaced at a pitch of 0.5mm

and are finished with lead-free NiPd. The small pack-

age makes it ideal for use in portable electronics such

as cell phones, digital still cameras, and notebook

computers.

Circuit Diagram

Features

Transient protection for data lines to

IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact)

IEC 61000-4-4 (EFT) 40A (tp = 5/50ns)

Small package for use in portable electronics

Protects four I/O

Working voltage: 3.3V

Flow thru design for easy layout

Low leakage current

Low operating and clamping voltages

Solid-state silicon-avalanche technology

Mechanical Characteristics

SLP2116P8 package

RoHs Compliant

Nominal Dimensions: 2.1 x 1.6 x 0.58 mm

Lead Pitch: 0.5mm

Lead Finish: NiPd

Marking : Orientation Mark and Marking Code

Packaging : Tape and Reel per EIA 481

Applications

Cellular Handsets & Accessories

Personal Digital Assistants (PDA’s)

Notebooks & Handhelds

Portable Instrumentation

Digital Cameras

Peripherals

MP3 Players

Package

2.10

1 2

1.60

0.50 BSC

0.58

GND

Device Schematic

8 Pin SLP package (Bottom Side View)

2.1 x 1.6 x 0.58mm (Nominal)

Revision 01/05/2005

www.semtech.com

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