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| USB0803CSO8PC SCOTTSDALE DIVISION Bidirectional TVSarray TM PRODUCT PREVIEW DESCRIPTION This TRANSIENT VOLTAGE SUPPRESSOR (TVS) array is packaged in an SO-8 configuration giving protection to 2 Bidirectional data or interface lines. It is designed for use in applications where protection is required at the board level from voltage transients caused by electrostatic discharge (ESD) as defined in IEC 61000-4-2, electrical fast transients (EFT) per IEC 61000-4-4 and effects of secondary lightning. These TVS arrays have a peak power rating of 500 watts for an 8/20 sec pulse. This array is suitable for protection of sensitive circuitry consisting of TTL, CMOS DRAM's, SRAM's, HCMOS, HSIC microprocessors, UNIVERSAL SERIAL BUS (USB) and I/O transceivers. The USB08XXC product provides board level protection from static electricity and other induced voltage surges that can damage or upset sensitive circuitry. T V S arrayTM S E R I E S W W W.Microsemi .COM APPLICATIONS * EIA-RS485 data rate: 5 Mbs * 10 Base T Ethernet * USB date rate: 900 Mbs IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com FEATURES * * * * * * Protects up to 2 bidirectional lines Surge protection per IEC 61000-4-2, IEC 61000-4-4 Provides electrically isolated protection UL 94V-0 Flamability Classification LOW CAPACITANCE 5 pF per line pair LOW LEAKAGE PACKAGING * Tape & Reel per EIA Standard 481 * 13 inch reel; 2,500 pieces (OPTIONAL) * Carrier tubes; 95 pcs (STANDARD) MAXIMUM RATINGS * * * * Operating Temperature: -55C to +150C Storage Temperature: -55C to +150C Peak Pulse Power: 500 watts (8/20 s, Figure 1) Pulse Repetition Rate: < .01% * * * * MECHANICAL Molded SO-8 Surface Mount Weight 0.066 grams (approximate) Marking: Logo, device marking code, date code Pin #1 defined by dot on top of package ELECTRICAL CHARACTERISTICS PER LINE @ 25C Unless otherwise specified STAND OFF VOLTAGE VWM PART NUMBER DEVICE MARKING VOLTS MAX USB0803CSO8PC 3C 3.3 BREAKDOWN VOLTAGE VBR @1 mA VOLTS MIN 4 CLAMPING VOLTAGE VC @ 1 Amp (Figure 2) VOLTS MAX 8 CLAMPING VOLTAGE VC @ 5 Amp (Figure 2) VOLTS MAX 11 STANDBY CURRENT ID @ VWM A MAX 200 CAPACITANCE (f=1 MHz) C @0V pF MAX 5 TEMPERATURE COEFFICIENT OF VBR VBR mV/C MAX -5 USB0803CSO8PC Note: Transient Voltage Suppressor (TVS) product is normally selected based on its stand off voltage VWM. Product selected voltage should be equal to or greater than the continuous peak operating voltage of the circuit to be protected. Copyright 2001 CS08PC.PDF 3-26 2002 REV B Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 Page 1 USB0803CSO8PC SCOTTSDALE DIVISION Bidirectional TVSarray TM PRODUCT PREVIEW W W W.Microsemi .COM SYMBOLS & DEFINITIONS Symbol VWM VBR VC ID C DEFINITION Stand Off Voltage: Maximum dc voltage that can be applied over the operating temperature range. Vwm must be selected to be equal or be greater than the operating voltage of the line to be protected Minimum Breakdown Voltage: The minimum voltage the device will exhibit at a specified current Clamping Voltage: Maximum clamping voltage across the TVS device when subjected to a given current at a pulse time of 20 s. Standby Current: Leakage current at VWM. Capacitance: Capacitance of the TVS as defined @ 0 volts at a frequency of 1 MHz and stated in picofarads. GRAPHS Ppp Peak Pulse Power (kW) 8/20s 500W Pulse Figure 1 Peak Pulse Power Vs Pulse Time t = sec OUTLINE AND SCHEMATIC Figure 2 Pulse Wave Form GRAPHS PACKAGE DATA PAD LAYOUT INCHES DIM A B C D F G J K L P MIN 0.188 0.150 0.053 0.011 0.016 0.050 BSC 0.006 0.004 0.189 0.228 0.010 0.008 0.206 0.244 0.15 0.10 4.80 5.79 MAX 0.197 0.158 0.069 0.021 0.050 MILLIMETERS MIN 4.77 3.81 1.35 0.28 0.41 1.27 BSC 0.25 0.20 5.23 6.19 MAX 5.00 4.01 1.75 0.53 1.27 OUTLINE Copyright 2001 CS08PC.PDF 3-26 2002 REV B SCHEMATIC Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 Page 2 |
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