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LC03-3.3 Dataheets PDF



Part Number LC03-3.3
Manufacturers Semtech Corporation
Logo Semtech Corporation
Description Low Capacitance 3.3 Volt TVS
Datasheet LC03-3.3 DatasheetLC03-3.3 Datasheet (PDF)

Low Capacitance 3.3 Volt TVS www.DataSheet4U.com for High Speed Interfaces PROTECTION PRODUCTS Description The LC03-3.3 transient voltage suppressor is designed to protect components which are connected to high speed data and telecommunication lines from voltage surges caused by lightning, electrostatic discharge (ESD), and electrical fast transients (EFT). TVS diodes are ideal for use as board level protection of sensitive semiconductor components. The LC033.3 combines a TVS diode with a rectif.

  LC03-3.3   LC03-3.3


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Low Capacitance 3.3 Volt TVS www.DataSheet4U.com for High Speed Interfaces PROTECTION PRODUCTS Description The LC03-3.3 transient voltage suppressor is designed to protect components which are connected to high speed data and telecommunication lines from voltage surges caused by lightning, electrostatic discharge (ESD), and electrical fast transients (EFT). TVS diodes are ideal for use as board level protection of sensitive semiconductor components. The LC033.3 combines a TVS diode with a rectifier bridge to provide transient protection in both common and differential mode with a single device. The LC03-3.3 utilizes Semtech’s EPD technology for superior electrical characteristics at 3.3 volts. The capacitance of the device is minimized to ensure correct signal transmission on high speed lines. The LC03-3.3 meets the short-haul (intra-building) transient immunity requirements of Bellcore 1089 for telecommunications applications. LC03-3.3 Features ‹ 1800 watts peak pulse power (tp = 8/20µs) ‹ Transient protection for high-speed data lines to Bellcore 1089 (Intra-Building) 100A (2/10µs) ITU K.20 IPP=40A (5/310µs) IEC 61000-4-2 (ESD) ±15kV (air), ±8kV (contact) IEC 61000-4-4 (EFT) 40A (5/50ns) IEC 61000-4-5 (Lightning) 100A (8/20µs) Protects two lines in common and differential mode Low capacitance for high-speed interfaces Low operating voltage (3.3V) Low clamping voltage Integrated structure saves board space and increases reliability Solid-state EPD technology ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ ‹ Mechanical Characteristics JEDEC SO-8 package Molding compound flammability rating: UL 94V-0 Marking : Part number, date code Packaging : Tube or Tape and Reel per EIA 481 Applications Low Voltage Interfaces T3/E3 10/100/1000 Ethernet Set-Top Box ISDN Interfaces Circuit Diagram Schematic & PIN Configuration 1 8 Pin 1 and 8 2 7 Pin 2, 3, 6, and 7 Ground Pin 4 and 5 3 6 4 5 SO-8 (Top View) Revision 10/14/04 1 www.semtech.com LC03-3.3 PROTECTION PRODUCTS Absolute Maximum Rating R ating Peak Pulse Power (tp = 8/20µs) Peak Pulse Current (tp = 8/20µs) Lead Soldering Temp erature Op erating Temp erature Storage Temp erature Symbol Pp k IP P TL TJ TSTG www.DataSheet4U.com PRELIMINARY Value 1800 100 260 (10 sec.) -55 to +125 -55 to +150 Units Watts A °C °C °C Electrical Characteristics LC03-3.3 Parameter Reverse Stand-Off Voltage Punch-Through Voltage Snap-Back Voltage Reverse Leakage Current Clamping Voltage Clamping Voltage Clamping Voltage Clamping Voltage Junction Capacitance Symbol VRWM V PT VSB IR VC VC VC VC Cj IPT = 2µA ISB = 50mA VRWM = 3.3V, T=25°C IPP = 50A, tp = 8/20µs Line-to-Ground IPP = 50A, tp = 8/20µs Line-to-Line IPP = 100A, tp = 8/20µs Line-to-Ground IPP = 100A, tp = 8/20µs Line-to-Line Between I/O pins and Ground VR = 0V, f = 1MHz Between I/O pins VR = 0V, f = 1MHz 16 3.5 2.8 1 11.5 13.5 15 18 25 Conditions Minimum Typical Maximum 3.3 Units V V V µA V V V V pF 8 12 pF  2004 Semtech Corp. 2 www.semtech.com LC03-3.3 PROTECTION PRODUCTS Typical Characteristics Non-Repetitive Peak Pulse Power vs. Pulse Time 100 110 100 % of Rated Power or P IP 90 80 70 60 50 40 30 20 10 0 www.DataSheet4U.com Power Derating Curve Peak Pulse Power - Ppk (kW) 10 1 0.1 0.1 1 10 Pulse Duration - tp (µs) 100 1000 0 25 50 75 100 125 150 175 Ambient Temperature - TA (oC) Pulse Waveform 110 100 90 80 Percent of IPP 70 60 50 40 30 20 10 0 0 5 10 15 Time (µs) 20 25 30 td = IPP/2 e -t Clamping Voltage vs. Peak Pulse Current Waveform Parameters: tr = 8µs td = 20µs 20 Clamping Voltage - VC (V) Line-To-Line 15 10 Line-To-Ground 5 0 0 20 40 60 Peak Pulse Current - IPP (A) Waveform Parameters: tr = 8µs td = 20µs 80 100 Capacitance vs. Reverse Voltage 10 CH1 S21 LOG Insertion Loss S21 (Line to Ground) 3 dB/ REF 0 dB 9.5 Capacitance - Cj (pF) 9 8.5 8 7.5 f = 1MHz 7 0 0.5 1 1.5 2 Reverse Voltage - VR (V) 2.5 3 3.5 START. 030 MHz . 000000 MHz STOP 3000  2004 Semtech Corp. 3 www.semtech.com LC03-3.3 PROTECTION PRODUCTS Applications Information Device Connection Options for Protection of Two High-Speed Data Lines The LC03-3.3 is designed to protect two high-speed data lines (one differential pair) from transient overvoltages which result from lightning and ESD. The device can be configured to protect in differential (Lineto-Line) and common (Line-to-Ground) mode. Data line inputs/outputs are connected at pins 1 to 8, and 4 to 5 as shown. Pins 2, 3, 6, and 7 are connected to ground. These pins should be connected directly to a ground plane on the board for best results. The path length is kept as short as possible to minimize parasitic inductance. In applications where high common mode voltages are present, differential protection is achieved by leaving pins 2, 3, 6, and 7 not connected. Matte Tin Lead Finish Matte tin has become the industry standard lead-free replacement for SnPb lead finishes. A matte tin finish is composed of 100% tin solder with large grains. Since the solder volum.


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