(R) (R) PSLVU2.8 . . . . . Engineered solutions for the transient environment LOW CAPACITANCE TVS SOT-23 IEC 1000-4 COMPATIBLE APPLICATIONS Low Voltage ASICs USB, ATM & SCSI Interfaces Ethernet & FireWire Cellular Phones Portable Electronics SOT-23 PACKAGE FEATURES CIRCUIT DIAGRAM IEC 1000-4-2 & -4 Industry Requirements 300 Watts Peak Pulse Power Dissipation (8/20 s) Low Capacitance - 10 pF ESD Protection > 25 kilovolts IPP - 24A, 8/20 s Waveshape Standard SOT-23 Package Low Clamping Voltage UL 94V-0 Flammability Classification 2 3 1 DESCRIPTION The PSLVU2.8 transient voltage suppressor (TVS) array is designed for high speed data line applications that provide protection against ESD, tertiary lightning and switching (logic level) transients. This device protects in accordance with Electromagnetic Compatibility (EMC) transient immunity standards IEC 1000-4-2, -4 and European standard EN50082 and EN61000-4. LINE DRIVER APPLICATION The PSLVU2.8 offers low clamping voltage for the protection of sensitive CMOS, BiCMOS, HCMOS and HSIC components. This device protects one unidirectional line and has a peak pulse power (PPP ) rating of 300 Watts for an 8/20 s waveshape. MAXIMUM RATINGS PPP @ 25 C (See Figure 1) 300 Watts, 8/20 s Waveshape Operating & Storage Temperature -55 to +150C Repetition Rate (Duty Cycle) 0.01% tClamping (0 Volts to V(BR) Min.) Unidirectional: < 1 x 10-12 seconds LINE RECEIVER APPLICATION MECHANICAL CHARACTERISTICS Package Molded JEDEC SOT-23 Surface Mount Package Packaging 8mm Tape per EIA 481-1 Approximate Weight 10 milligrams Device Markings Marking Code 2929 South Fair Lane * Tempe, Arizona 85282 * USA Tel 602-431-8101 * Fax 602-431-2288 * E-mail sales@protek-tvs.com * Web www.protek-tvs.com 1 ELECTRICAL CHARACTERISTICS @ 25 C Ambient Temperature PROTEK PART NUMBER DEVICE MARKING CODE PSLVU2.8 RATED STAND-OFF VOLTAGE MINIMUM BREAKDOWN VOLTAGE VWM VOLTS 2.8 PRV MAXIMUM CLAMPING VOLTAGE (See Fig. 2) @ IP = 5 A VC VOLTS MAXIMUM LEAKAGE CURRENT MAXIMUM CAPACITANCE @ 1 mA V(BR) VOLTS MAXIMUM CLAMPING VOLTAGE (See Fig. 2) @ IP = 2 A VC VOLTS @ VWM ID A @ 0V, 1 MHz C pF 3.1 3.9 7.0 100 10 FIGURE 1 PEAK PULSE POWER VS PULSE TIME PPP - Peak Pulse Power - Watts 10,000 1,000 300W, 8/20 s Waveshape 100 10 0.1 1 10 100 td - Pulse Duration - s 1,000 FIGURE 2 PULSE WAVE FORM TEST WAVEFORM PARAMETERS tf = 8 s td = 20s Peak Value I PP 100 e-t td = t Peak Pulse Power 8/20 s 80 % Of Rated Power IPP - Peak Pulse Current - % of IPP FIGURE 3 POWER DERATING CURVE 100 tf 50 10,000 IPP/ 2 60 40 20 Average Power 0 0 0 10 20 30 0 t - Time - s 2 (R) 25 50 75 100 125 TL - Lead Temperature - C 150 5103 5/99 PSLVU2.8 PACKAGE OUTLINES & DIMENSIONS SOT-23 PACKAGE OUTLINE SOT-23 PACKAGE DIMENSIONS MILLIMETERS A L 0 - 10 3 B 1 S 2 J K G V H 2 MIN MAX MIN MAX A B C D G H J K L S V 2.80 1.20 0.89 0.37 1.78 0.013 0.085 0.45 0.89 2.10 0.45 3.04 1.40 1.11 0.50 2.04 0.100 0.177 0.60 1.02 2.50 0.60 0.1102 0.0472 0.0350 0.0150 0.0701 0.0005 0.0034 0.0180 0.0350 0.0830 0.0177 0.1197 0.0551 0.0440 0.0200 0.0807 0.0040 0.0070 0.0236 0.0401 0.0984 0.0236 NOTES: 1. Dimensioning and tolerance per ANSI Y 14.5M, 1985. 2. Controlling Dimension: Inches 3. Maximum lead thickness includes lead finish thickness. 4. Minimum lead thickness is the minimum thickness of the base material. 4. Pin 3 is the cathode (Unidirectional only). C D INCHES DIM SOLDER PAD LAYOUT 3 TYPICAL 4 1 DIM Millimeters Inches 1 2 3 4 5 0.85 0.95 0.95 2.00 0.85 0.033 0.037 0.037 0.079 0.033 5 COPYRIGHT (c) ProTek Devices 1999 SPECIFICATIONS: ProTek reserves the right to change the electrical and or mechanical characteristics described herein without notice (except JEDEC). DESIGN CHANGES: ProTek reserves the right to discontinue product lines without notice, and that the final judgement concerning selection and specifications is the buyer 's and that in furnishing engineering and technical assistance, ProTek assumes no responsibility with respect to the selection or specifications of such products. 2929 South Fair Lane * Tempe, Arizona 85282 * USA Tel 602-431-8101 * Fax 602-431-2288 * E-mail sales@protek-tvs.com * Web www.protek-tvs.com 3