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| PROTECTION tPRODUCTS -URailClamp(R) www.Da aSheet4 .com Description The RailClamp series is a family of ultra 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 high-speed data and transmission lines from overvoltage caused by ESD (electrostatic discharge), CDE (Cable Discharge Events), and EFT (electrical fast transients). They are designed for use in applications where board space is at a premium. Each device requires less than 1.5mm2 of PCB area and will protect up to three high speed data lines. (R) RailClamp(R) Low Capacitance TVS Diode Array Features ESD 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 saves board space Protects three I/O lines and a power line Low capacitance: 0.5pF maximum Low clamping voltage Solid-state silicon-avalanche technology RCLAMP0503N Mechanical Characteristics SLP1510N6 Package RoHS/WEEE Compliant Nominal Dimensions: 1.45 x 1.0 x 0.58 mm Lead Pitch: 0.5mm Lead Finish: NiPdAu Marking : Marking Code Packaging : Tape and Reel The monolithic design incorporates surge rated, low capacitance steering diodes and a TVS diode in a single package. Each line has a maximum capacitance of 0.5pF to ground. The capacitance of each line is well matched for consistant signal balance. A connection to the TVS is provided for protection of an external voltage bus, such as those found in USB applications. This device is optimized for ESD protection of portable electronics. They may be used to meet the ESD immunity requirements of IEC 61000-4-2, Level 4 (15kV air, 8kV contact discharge). The RCLAMP0503N is in a 6-pin, RoHS/WEEE compliant, SLP1510N6 package. It measures 1.45 x 1.0 x 0.58mm. The small package makes it ideal for use in portable electronics such as cell phones, laptops, and digital still cameras. Applications USB OTG MMC Port Serial ATA Video Port SIM Port PCI Express Circuit Diagram Package Dimensions 1 1.45 2 3 1.00 5 1 3 4 6 6 0.50 5 4 0.58 Device Schematic Revision 03/31/2008 1 6 Pin SLP1510N6 package (Bottom Side View) Nominal Dimensions in mm www.semtech.com RCLAMP0503N PROTECTION PRODUCTS www..com Absolute Maximum Rating Rating Peak Pulse Power (tp = 8/20s) Peak Pulse Current (tp = 8/20s) ESD per IEC 61000-4-2 (Air) ESD per IEC 61000-4-2 (Contact) Operating Temperature Storage Temperature Symbol Ppk IPP VESD TJ TSTG Value 100 3 15 8 -55 to +125 -55 to +150 Units Watts A kV C C Electrical Characteristics (T = 25oC) R Clamp0503N Parameter Reverse Stand-Off Voltage Reverse Breakdown Voltage Reverse Leakage Current Forward Voltage Clamping Voltage Clamping Voltage Junction Capacitance Symbol VRWM V BR IR VF VC VC Cj Conditions Pin 5 to GN D It = 1mA Pin 5 to GN D VRWM = 6.5V, T=25C Pin 5 to GN D If = 15mA Any I/O to pin 5 IPP = 1A, tp = 8/20s Any I/O pin to Ground IPP = 3A, tp = 8/20s Any I/O pin to Ground VR = 0V, f = 1MHz Any I/O pin to Ground VR = 0V, f = 1MHz Between I/O pins 0.3 0.3 0.9 7 9.5 Minimum Typical Maximum 6.5 12 1 1.2 16.5 30 0.5 0.5 Units V V A V V V pF pF (c) 2008 Semtech Corp. 2 www.semtech.com RCLAMP0503N PROTECTION PRODUCTS www..com Typical Characteristics Non-Repetitive Peak Pulse Power vs. Pulse Time 10 110 100 % of Rated Power or PP I 90 80 70 60 50 40 30 20 10 Power Derating Curve Peak Pulse Power - PPk (kW) 1 0.1 0.01 0.1 1 10 Pulse Duration - tp (s) 100 1000 0 0 25 50 75 100 125 150 Ambient Temperature - TA (oC) Clamping Voltage vs. Peak Pulse Current I/O to Gnd - Pin 1, 3, 4 to Gnd at Pin6 40 35 Clamping Voltage - VC (V) 30 25 20 15 10 5 0 0 0.5 1 1.5 2 2.5 3 3.5 4 Peak Pulse Current - IPP (A) Waveform Parameters: tr = 8s td = 20s Forward Voltage - V F V) 8 7 6 5 4 3 2 1 0 0 Foward Voltage vs. Forward Current Pin 1,3,4 or 6 to Pin 5 Waveform Parameters: tr = 8s td = 20s 0.5 1 1.5 2 2.5 3 3.5 4 Forward Current - IF (A) Normalize Capacitance vs. Reverse Voltage I/O to Gnd - Pin 1, 3, 4 to Gnd at Pin 6 1.6 1.4 1.2 CJ(VR) / CJ(VR=0) 1 0.8 0.6 0.4 0.2 f = 1 MHz 0 0 1 2 3 4 5 6 7 Reverse Voltage - VR (V) (c) 2008 Semtech Corp. 3 www.semtech.com RCLAMP0503N PROTECTION PRODUCTS www.D taSheet ApplicationsaInformation 4 U.com Device Connection Options for Protection of three High-Speed Data Lines Data line inputs are normally connected at pins 1, 3, & 4 with pin 6 connected to ground. Note that the circuit at the ground pin is identical to the circuit at each data input/output pin. This is done to further reduce capacitance. The connection to ground should be made directly to a ground plane. The path length should also be kept as short as possible to minimize parasitic inductance. Pin 5 can be connected to Vcc biased or left not connected depending upon the application. Protecting USB OTG Interfaces The USB OTG interface consists of Data (D- and D+) lines, ID and a 5.25V voltage bus. Since these pins are part of the connector, they are vulnerable to ESD and cable discharge events. The RCLAMP0503N is designed to protect D-, D+, and ID pins of USB OTG connections. Each device will protect one USB OTG port. When the voltage on the data lines exceeds the bus voltage (plus one diode drop), the internal rectifiers are forward biased conducting the transient current away from the protected controller chip. The TVS diode directs the surge to ground. For Vbus protection, an additional single line TVS, such as uClamp0501P, should be added. 5 Figure 1- Pin Configuration & Circuit Diagram 1 3 4 6 Figure 2 - USB OTG Protection RCLAMP0503N Pin 1 Pin 6 USB OTG Controller DD+ ID Pin 2 Pin 3 Pin 5 Pin 4 USB OTG Connector Vbus DD+ ID Gnd uClamp0501P (c) 2008 Semtech Corp. 4 www.semtech.com RCLAMP0503N PROTECTION PRODUCTS www..com Applications Information - Spice Model I/O Figure 3 - RCLAMP0503N Spice Model RCLAMP0503N Spice Parameters Parameter IS BV VJ RS IBV CJO TT M N EG Unit Amp Volt Volt O hm Amp Farad sec --eV D1 (LCRD) 1.0E-20 100 0 .7 0.458 1 .0 E - 3 0.4E-12 2.541E-9 0.058 1.1 1.11 D2 (LCRD) 1.0E-20 100 0.7 1.0 1.0 E-3 0.4E-12 2.541E-9 0.058 1.1 1.11 D3 (T VS) 2E-12 9 0.6 2.6 1.0 E-3 5 6 E -1 2 2.541E-9 0.23 1.1 1.11 (c) 2008 Semtech Corp. 5 www.semtech.com RCLAMP0503N PROTECTION PRODUCTS www..com Outline Drawing SLP1510N6 Outline Drawing - - SO-8 B A D PIN 1 INDICATOR (LASER MARK) E DIM A A1 A2 b D E e L N aaa bbb DIMENSIONS INCHES MILLIMETERS MIN NOM MAX MIN NOM MAX .020 .023 .026 0.00 .001 .002 (.005) .008 .010 .012 .053 .057 .061 .035 .039 .043 .020 BSC .012 .015 .017 6 .003 .004 A aaa C A2 D/2 1 E/2 2 LxN A1 C SEATING PLANE 0.50 0.58 0.65 0.00 0.03 0.05 (0.13) 0.20 0.25 0.30 1.35 1.45 1.55 0.90 1.00 1.10 0.50 BSC 0.30 0.38 0.425 6 0.08 0.10 N e bxN bbb 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 - SLP1510N6 P DIMENSIONS DIM C G P X Y Z INCHES (.034) .008 .020 .010 .027 .061 MILLIMETERS (0.875) 0.20 0.50 0.25 0.675 1.55 (C) G Y Z X NOTES: 1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY. CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR COMPANY'S MANUFACTURING GUIDELINES ARE MET. (c) 2008 Semtech Corp. 6 www.semtech.com RCLAMP0503N PROTECTION PRODUCTS www..com Marking Codes Ordering Information Part Number RCLAMP0503N.TCT Qty per Reel 3,000 Reel Size 7 Inch 0503N RailClamp and RClamp are marks of Semtech Corporation Tape and Reel Specification Pin 1 Location User Direction of feed Device Orientation in Tape A0 1.240.10mm Tape Width B0 1.700.10mm K0 0.760.10mm K (MAX) B, (Max) D 1.5 + 0.1 mm - 0.0 mm (0.59 +.005 - .000) D1 E 1.750.10 mm (.069.004) F P 4.00.1 mm (.157.004) P0 4.00.1 mm (.157.004) P2 T(MAX) W 8.0 mm + 0.3 mm - 0.1 mm (.312.012) 8 mm 4.2 mm (.165) 0.8 mm 0.05 (.031) 3.50.05 mm (.138.002) 2.4 mm (.094) 2.00.05mm (.079.002) 0.4 mm (.016) Contact Information Semtech Corporation Protection Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 (c) 2008 Semtech Corp. 7 www.semtech.com |
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