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RClamp3346P Datasheet Preview

RClamp3346P Datasheet

6-Line ESD protection

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PROTECTION PRODUCTS - RailClamp®
Description
The RClamp®3346P provides ESD protection for high-
speed data interfaces. It features a high maximum
ESD withstand voltage of ±17kV contact and ±20kV
air discharge per IEC 61000-4-2. RClamp3346P is
designed to minimize both the ESD peak clamping and
the TLP clamping. Package inductance is reduced at
each pin resulting in lower peak ESD clamping voltage.
The dynamic resistance is among the industry’s lowest
at 0.15 Ohms (typical). Maximum capacitance on each
line to ground is 0.65pF allowing the RClamp3346P to
be used in applications operating in excess of 5GHz
without signal attenuation. Each device will protect up
to six lines (three high-speed pairs).
The RClamp3346P is in a 7-pin SGP2708N7 package
measuring 2.7 x 0.8mm with a nominal height of 0.50mm.
The leads have a nominal pin-to-pin pitch of 0.40mm.
Flow- through package design simplifies PCB layout and
maintains signal integrity on high-speed lines.
The combination of low peak ESD clamping, low dynamic
resistance, and innovative package design enables this
device to provide the highest level of ESD protection for
applications such as USB 3.0, eSATA, and DisplayPort.
RClamp3346P
Low Capacitance RClamp®
6-Line ESD protection
PRELIMINARY
Features
ESD protection for high-speed data lines to
IEC 61000-4-2 (ESD) ±20kV (air), ±17kV (contact)
IEC 61000-4-5 (Lightning) 5A (8/20μs)
IEC 61000-4-4 (EFT) 40A (5/50ns)
Package design optimized for high speed lines
Flow-Through design
Protects six high-speed lines
Low capacitance: 0.65pF Maximum (I/O to Ground)
Low ESD clamping voltage
Low dynamic resistance: 0.15 Ohms (Typ)
Qualified to AEC-Q100
Solid-state silicon-avalanche technology
Mechanical Characteristics
SGP2708N7 7-pin package (2.7 x 0.8 x 0.50mm)
Pb-Free, Halogen Free, RoHS/WEEE Compliant
Lead Pitch: 0.4mm (intra-pair)
Lead finish: NiPdAu
Marking: Marking Code
Packaging: Tape and Reel
Applications
USB 3.0
eSATA
Display Port
LVDS
Dimensions
0.80 BSC
0.40 BSC
Circuit Diagram
0.80
2.70
0.50
Pin 1
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 2
Nominal Dimensions in mm (Bottom View)
Revision 11/12/2013
1
6-Line Protection
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Semtech

RClamp3346P Datasheet Preview

RClamp3346P Datasheet

6-Line ESD protection

No Preview Available !

PROTECTION PRODUCTS
Absolute Maximum Rating
Rating
Peak Pulse Current (tp = 8/20μs)
ESD per IEC 61000-4-2 (Air)1
ESD per IEC 61000-4-2 (Contact)1
Operating Temperature
Storage Temperature
Electrical Characteristics (T=25oC)
Symbol
IPP
VESD
TJ
TSTG
RClamp3346P
PRELIMINARY
Value
4.5
+/- 20
+/- 17
-55 to +125
-55 to +150
Units
A
kV
°C
°C
Parameter
Symbol
Conditions
Minimum Typical Maximum Units
Reverse Stand-Off Voltage
Trigger Voltage2
Reverse Leakage Current
VRWM
VTRIG
IR
Any I/O to GND
tlp = 0.2/100ns
VRWM = 3.3V, T=25oC
Any I/O to GND
3.3 V
8V
0.01 0.05 μA
VRWM = 3.3V, T=125oC
Any I/O to GND
0.150
μA
Clamping Voltage
VC IPP = 1A, tp = 8/20μs
Any I/O to GND
2.5 3.5 V
Clamping Voltage
VC IPP = 4.5A, tp = 8/20μs
Any I/O to GND
3.5 4.5 V
ESD Clamping Voltage2
VC IPP = 16A,
tlp = 0.2/100ns
5.5 V
ESD Clamping Voltage2
VC IPP = -16A,
tlp = 0.2/100ns
3V
Dynamic Resistance (Positive)2,3
Dynamic Resistance
(Negative)2,3
RD
RD
tlp = 0.2/100ns
tlp = 0.2/100ns
0.15 Ohms
0.14 Ohms
Junction Capacitance
Cj VR = 0V, f = 1MHz,
Any I/O to GND
0.60 0.65 pF
VR = 0V, f = 1MHz,
Between I/O pins
0.30 0.4 pF
Notes
1)Measured with a 20dB attenuator, 50 Ohm scope input impedance, 2GHz bandwidth. ESD gun return path connected to ESD
ground plane.
2)Transmission Line Pulse Test (TLP) Settings: tp = 100ns, tr = 0.2ns, ITLP and VTLP averaging window: t1 = 70ns to t2 = 90ns.
3) Dynamic resistance calculated from ITLP = 4A to ITLP = 16A
© 2013 Semtech Corporation
2
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Part Number RClamp3346P
Description 6-Line ESD protection
Maker Semtech
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