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PROTECTION PRODUCTS - RailClamp Description
RailClamps are low capacitance TVS arrays designed to protect high speed data interfaces. This series has been specifically designed to protect sensitive components which are connected to data and transmission lines from overvoltage 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. During transient conditions, the steering diodes direct the transient current to ground. The internal TVS diode clamps the transient voltage to a safe level. The low capacitance array configuration allows the user to protect up to four high-speed data lines. The RClamp0504P is in a 6-pin, RoHS compliant, SLP1616P6 package. It measures 1.6 x 1.6 x 0.60mm. The leads are spaced at a pitch of 0.5mm and are finished with lead-free NiPdAu. 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 capacitance, and high ESD surge capability makes them ideal for use in portable applications such as cellular phones, next generation color LCD displays, USB, and multi media card interfaces.
RailClamp Low Capacitance TVS Array
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) Array of surge rated diodes with internal TVS Diode Small package (1.6 x 1.6mm) saves board space Protects up to four I/O lines & power line Low capacitance (<3pF) for high-speed interfaces No insertion loss to 2.0GHz Low leakage current and clamping voltage Low operating voltage: 5.0V Solid-state silicon-avalanche technology
RClamp0504P
Mechanical Characteristics
SLP1616P6 6L package RoHS/WEEE Compliant Nominal Dimensions: 1.6 x 1.6 x 0.60 mm Lead Finish: NiPdAu Molding compound flammability rating: UL 94V-0 Marking : 0504P Packaging : Tape and Reel per EIA 481
Applications
USB 2.0 and USB OTG Multi Media Card (MMC) Interfaces SD Card Interfaces MDDI Ports SIM Ports Key Pads Gigabit Ethernet
Circuit Diagram
PIN Configuration
1.6
1
5
6
1.6
1 3 4 6
0.5 0.6
GND
SLP1616P6 (Bottom View) Nominal Dimensions in mm
Revision 06/01/2007 1 www.semtech.com
RClamp0504P
PROTECTION PRODUCTS Absolute Maximum Rating
R ating Peak Pulse Power (tp = 8/20s) Peak Pulse Current (tp = 8/20s) ESD p er IEC 61000-4-2 (Air) ESD p er IEC 61000-4-2 (Contact) Op erating Temp erature Storage Temp erature Symbol Pp k IP P VESD TJ TSTG Value 150 6 15 8 -55 to +125 -55 to +150 Units Watts A kV C C
Electrical Characteristics (T=25oC)
Parameter Reverse Stand-Off Voltage Reverse Breakdown Voltage Reverse Leakage Current Clamping Voltage Clamping Voltage Clamping Voltage Junction Capacitance
Symbol VRWM V BR IR VC VC VC Cj
Conditions Pin 5 to GN D It = 1mA Pin 5 to GN D VRWM = 5V, T=25C Pin 5 to GN D IPP = 1A, tp = 8/20s Any I/O pin to GN D IPP = 6A, tp = 8/20s Any I/O pin to GN D IPP = 6A, tp = 8/20s Pin 5 to GN D VR = 0V, f = 1MHz Any I/O pin to GN D VR = 0V, f = 1MHz Between I/O pins
Minimum
Typical
Maximum 5
Units V V
6 3 15 25 18 1.9 0.80 3 1
A V V V pF pF
Note 1: I/O pins are pin 1, 3, 4, and 6
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RClamp0504P
PROTECTION PRODUCTS Typical Characteristics
Non-Repetitive Peak Pulse Power vs. Pulse Time
10
110 100 90 80 70 60 50 40 30 20 10 0
Power Derating Curve
Peak Pulse Power - P PP (kW)
1
0.1
0.01 0.1 1 10 Pulse Duration - tp (s) 100 1000
% of Rated Power or IPP
0
25
50
75
100
125
150
Ambient Temperature - TA (oC)
Pulse Waveform
110 100 90 80 70 60 50 40 30 20 10 0 0 5 10 15 Time (s) 20 25 30
5
PP
Clamping Voltage vs. Peak Pulse Current
Waveform Parameters: tr = 8s td = 20s
25 Waveform Parameters: tr = 8s td = 20s
Clamping Voltage - VC (V)
20
Percent of I
e-t
Pin 1, 3, 4, or 6 to pin 2
15
Pin 5 to pin 2
td = IPP/2
10
0
1
2 3 4 Peak Pulse Current - IPP (A)
5
6
Forward Voltage vs. Peak Pulse Current
1.5
8 7 Forward Voltage - V F (V) 6
Junction Capacitance vs. Reverse Voltage
f = 1MHz
1.4 1.3 Normalized Capacitance 1.2 1.1 1 0.9 0.8 0.7 0.6
0 1 2 3 4 5 6
Any I/O Pin to Ground Between any two I/O pins
5 4 3 2 1 0 Peak Pulse Current - IPP (A) Waveform Parameters: tr = 8s td = 20s
0.5 0 1 2 3 Reverse Voltage - VR (V) 4 5
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RClamp0504P
PROTECTION PRODUCTS Typical Characteristics
Insertion Loss S21 (I/O to Gnd)
CH1 S21 LOG 6 dB / REF 0 dB 1: -0.2295 dB 900 MHz 2: -0.3160 dB 1.8 GHz 3: -1.0090 dB 2.5 GHz 0 dB
1 2 3
Analog Crosstalk
CH1 S21 LOG 20 dB/ REF 0 dB
-6 dB -12 dB -18 dB -24 dB -30 dB -36 dB 1 MHz START. 030 MHz 10 MHz 100 MHz 3 1 GHz GHz STOP 3 000.000000 MHz
START . 030 MHz . STOP 3000 000000 MHz
ESD Response (8kV Contact per IEC 61000-4-2)
Note: Data is taken with a 10x attenuator
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RClamp0504P
PROTECTION PRODUCTS Applications Information
Device Connection Options for Protection of Four High-Speed Data Lines This device is designed to protect data lines by clamping them to a fixed reference. When the voltage on the protected line exceeds the reference voltage the steering diodes are forward biased, conducting the transient current away from the sensitive circuitry. Data lines are connected at pins 1, 3, 4 and 6. The center pin should be connected directly to a ground plane. The path length is kept as short as possible to minimize parasitic inductance. Pin 2 is not connected. The positive reference is connected at pin 5. The options for connecting the positive reference are as follows: 1. To protect data lines and the power line, connect pin 5 directly to the positive supply rail (VCC). In this configuration the data lines are referenced to the supply voltage. The internal TVS diode prevents over-voltage on the supply rail. 2. In applications where the supply rail does not exit the system, the internal TVS may be used as the reference. In this case, pin 5 is not connected. The steering diodes will begin to conduct when the voltage on the protected line exceeds the working voltage of the TVS (plus one diode drop). 1. Configuration (Top View) Figure 1 . Pin Conf iguration (Top Side Vie w) Protection of Four Data Lines and Power Supply Line
1
Gnd
Protection of Four Data Lines Using Internal TVS Diode as Reference
1
Gnd
1 2 3
6
Gnd
5 4
Pin 1, 3, 4, 6 2 5 Center Tab
2007 Semtech Corp.
Identification Input/Output Lines N ot Connected 5V (Optional) or N /C Ground
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RClamp0504P
PROTECTION PRODUCTS Typical Applications
Gnd
1
SIM Port - Protection of Three Data Lines and VCC
USB OTG Receptable Carkit
To Phone
Mini B Receptable
1
VBus DD+ ID GND
Shield Gnd
Gnd Mini A Receptable
USB OTG Carkit Protection
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RClamp0504P
PROTECTION PRODUCTS Applications Information - Spice Model
Figure 1 - RClamp0504P Spice Model
Table 1 - R Clamp0504P Spice Parameters Parameter IS BV VJ RS IB V CJO TT M N EG Unit Amp Volt Volt Ohm Amp Farad sec --eV D1 (LCR D) 1E-20 100 0.66 0.314 1E-3 1.5E-12 2.541E-9 0.01 1.1 1.11 D2 (LCR D) 1E-20 100 0.65 0.687 1E-3 1.5E-12 2.541E-9 0.01 1.1 1.11 D3 (T VS) 2.19E-12 7.8 0.57 1.444 1E-3 121E-12 2.541E-9 0.236 1.1 1.11
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RClamp0504P
PROTECTION PRODUCTS Outline Drawing - SLP1616P6
A D B
PIN 1 INDICATOR (LASER MARK)
E
DIMENSIONS INCHES MILLIMETERS DIM MIN NOM MAX MIN NOM MAX
A A1 A2 b D D1 E E1 e L N aaa bbb .020 .023 .026 0.00 .001 .002 (.006) .007 .010 .012 .059 .063 .067 .041 .047 .051 .059 .063 .067 .016 .022 .026 .020 BSC .013 .013 .016 6 .004 .004 0.50 0.58 0.65 0.00 0.03 0.05 (0.15) 0.20 0.25 0.30 1.50 1.60 1.70 1.05 1.20 1.30 1.50 1.60 1.70 0.40 0.55 0.65 0.50 BSC 0.25 0.33 0.40 6 0.09 0.09
A aaa C A2 D1 12 LxN E1 N bxN e D/2 bbb E/2 A1 C
SEATING PLANE
CAB
NOTES:
1. CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES). 2. COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS THE TERMINALS.
Land Pattern - SLP1616P6
P X
DIMENSIONS DIM B C P F G X Y Z INCHES .051 .060 .020 .018 .035 .012 .025 .085 MILLIMETERS 1.30 1.52 0.50 0.45 0.89 0.30 0.63 2.15
Z
G
F
(C)
Y B
NOTES:
1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY. CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET
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RClamp0504P
PROTECTION PRODUCTS Marking Ordering Information
Part Number Lead Finish Pb Free Qty per Reel 3,000 R eel Size 7 Inch
0504P
RClamp 0504P.TCT
RailClamp and RClamp are marks of Semtech Corporation
Tape and Reel Specification
Device Orientation in Tape Pin 1 in upper left towards sprocket holes
A0 1.78 +/-0.05 mm
B0 1.78 +/-0.05 mm
K0 0.69 +/-0.05 mm
Tape Width
B, (Max)
D
D1
E
F
K (MAX)
P
P0
P2
T(MAX)
W 8.0 mm + 0.3 mm - 0.1 mm
8 mm
4.2 mm
1.5 + 0.1 mm - 0.0 mm )
0.5 mm 0.05
1.750.10 mm
3.50.05 mm
2.4 mm
4.00.1 mm
4.00.1 mm
2.00.05 mm
0.4 mm
Contact Information
Semtech Corporation Protection Products Division 200 Flynn Rd., Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804
2007 Semtech Corp. 9 www.semtech.com

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