EClamp2458P ESD/EMI Protection for Color LCD Interfaces TM PROTECTION PRODUCTS - EMIClampPROTECTION PRODUCTS PRELIMINARY Features Description TM The EClamp 2458P is a low pass (L-C) filter array with Bidirectional EMI/RFI filter with integrated TVS integrated TVS diodes. It is designed to suppress for ESD protection unwanted EMI/RFI signals and provide electrostatic ESD protection to IEC 61000-4-2 (ESD) Level 4, discharge (ESD) protection in portable electronic 15kV (air), 8kV (contact) equipment. This state-of-the-art device utilizes solid- Filter performance: 40dB minimum attenuation at state silicon-avalanche technology for superior clamp- 800MHz to 2.7GHz ing performance and DC electrical characteristics. TVS working voltage: 5V protection of colorprotection of colorprotection of color They have been optimized for protection of colorprotection of color Inductor: 28nH (Typical) LCD and camera linesLCD and camera linesLCD LCD and camera linesLCD and camera linesand camera lines in cellular phones and other Capacitance: 12pF (Typical at VR = 2.5V) portable electronics. Protection and filtering for eight lines The device consists of eight identical circuits comprised Solid-state technology of TVS diodes for ESD protection, and a 5-pole induc- Mechanical Characteristics tor - capacitor network for EMI/RFI filtering. A typical inductor value of 28nH and a capacitor value of 12pF SLP4016P16 16-pin package are used to achieve 40dB minimum attenuation at RoHS/WEEE Compliant 800MHz. The TVS diodes provide effective suppression Nominal Dimensions: 4.0 x 1.6 x 0.58 mm of ESD voltages in excess of 15kV (air discharge) and Lead Pitch: 0.5mm 8kV (contact discharge) per IEC 61000-4-2, level 4. Lead finish: NiPd Marking: Marking Code The EClamp2458P is in a 16-pin, RoHS/WEEE compli- Packaging: Tape and Reel per EIA 481 ant, SLP4016P16 package. It measures 4.0 x 1.6 x 0.58mm. The leads are spaced at a pitch of 0.5mm Applications and are finished with lead-free NiPd. The small pack- Color LCD Protection age makes it ideal for use in portable electronics such Cell Phone CCD Camera Lines as cell phones, digital still cameras, and PDAs. Clamshell Cell Phones Circuit Diagram (Each Line) Package Configuration 4.00 1 2 L1 L2 IN 1.60 OUT C1 C2 C3 0.50 BSC GND 0.58 Device Schematic (8X) 16 Pin SLP package (Bottom Side View) Nominal Dimensions in mm www.semtech.com Revision 03/29/2006 1EClamp2458P PROTECTION PRODUCTS PRELIMINARY Maximum Ratings Rlating Seymbo Vsalu Unit ESD per IEC 61000-4-2 (Air) +/- 20 V kV ESD ESD per IEC 61000-4-2 (Contact) +/- 15 o JTunction Temperature 125 C J o OTperating Temperature -40 to +85 C op o STtorage Temperature -55 to +150 C STG o Electrical Characteristics (T=25 C) PrPPPrPlaaaaarrrrraaaaammmmmeeeeettttteeeeerrr SSSlSlSsyyyyymmmmmbbbbboooooll CCCsCsCmooooonnnnndddddiiiiitttttiiiiiooooonnnnnss MMMmMmMliiiiinnnnniiiiimmmmmuuuuumm TTTlTlTmyyyyypppppiiiiicccccaaaaall MMMmMmMsaaaaaxxxxxiiiiimmmmmuuuuumm UUsUUsUnnnnniiiiitttttss TVVS Reverse Stand-Off Voltage 5V RWM TVVS Reverse Breakdown Voltage I=61mA 8 1V0 BR t TIVS Reverse Leakage Current V=13.3V 0A. R RWM DRC Resistance 3s3 Ohm DC Fcilter Cut-Off Frequency fZ = Z=550 Ohms 1z5 MH Source Load ILnductance 2H8 n TLotal Series Inductance + LE6ach Line 5Hn 1 2 CCapacitance , C , C V=02.5V, f = 1MHz 12151Fp 1 2 3 R TCotal Capacitance + C + Input to Gnd, 360 354Fp 1 2 C Each Line 3 V = 2.5V, f = 1MHz R www.semtech.com 2006 Semtech Corp. 2