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1 www.semtech.com RCLAMP3321P ultra-low capacitance 1-line, 3.3v esd protection protection products - railclamp ? 7/25/2013 the rclamp ? 3321p provides esd protection for usb3.0, hdmi1.3/1.4, and other high-speed ports. it may be used to meet the esd immunity requirements of iec 61000-4-2. the RCLAMP3321P is designed to minimize both the esd peak clamping and the tlp clamping. the dynamic resistance is minimized (0.47 ohms typical) for optimum protection of sensitive circuits. maximum ca- pacitance is only 0.35pf. this allows the RCLAMP3321P to be used in applications operating in excess of 5ghz without signal attenuation. these devices are manufac- tured using semtechs proprietary low voltage technol- ogy for superior characteritics at operating voltages up to 3.3 volts. the RCLAMP3321P is in a 2-pin slp1006p2 package. it measures 1.0 x 0.6 x 0.5mm. the leads are spaced at a pitch of 0.65mm and are ? nished with lead-free nipdau. each device will protect one line operating at 3.3 volts. the combination of low peak esd clamping, low dynamic resistance, and low capacitance makes this device suit- able for applications such as usb 3.0, hdmi and v-by- one interfaces in portable devices. transient protection for data lines to iec 61000-4-2 (esd) 17kv (air), 12kv (contact) iec 61000-4-4 (eft) 40a (tp = 5/50ns) cable discharge event (cde) ultra-small package (1.0 x 0.6 x 0.5mm) protects one data or i/o line low capacitance: 0.35pf dynamic resistance: 0.47 ohms typical low esd clamping voltage operating voltage: 3.3v solid-state silicon-avalanche technology description package dimensions features applications schematic & pin con? guration slp1006p2 package molding compound ? ammability rating: ul 94v-0 marking: marking code packaging: tape and reel lead finish: nipdau pb-free, halogen free, rohs/weee compliant usb 3.0 hdmi 1.3/1.4 v-by-one display port mhl / mddi lvds interfaces esata interfaces mechanical characteristics
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))&(<(< & ( nominal dimensions (mm) slp1006p2 (bottom view)
2 ? 2013 semtech corporation. www.semtech.com RCLAMP3321P protection products absolute maximum ratings electrical characteristics (t=25 o c unless otherwise speci? ed) rating symbol value units peak pulse power (tp = 8/20s) p pk 25 watts maximum peak pulse current (tp = 8/20s) i pp 3 amps esd per iec 61000-4-2 (air) 1 esd per iec 61000-4-2 (contact) 1 v esd +/- 17 +/- 12 kv operating temperature t j -55 to +125 o c storage temperature t stg -55 to +150 o c parameter symbol conditions min. typ. max. units reverse stand-off voltage v rwm 3.3 v breakdown voltage v br i br = 1ma 5.5 7 8.5 v reverse leakage current i r v rwm = 3.3v 10 50 na clamping voltage v c i pp = 1a, tp = 8/20s 9.5 10 v clamping voltage v c i pp = 4a, tp = 8/20s 10.5 13 v esd clamping voltage 2 v c i pp = 4a, tlp = 0.2/100ns 8.8 v esd clamping voltage 2 v c i pp = 16a, tlp = 0.2/100ns 14.5 v trigger voltage 2 v trig tlp = 0.2/100ns 8 v dynamic resistance 2, 3 r dyn tlp = 0.2 / 100ns 0.47 junction capacitance c j v r = 0v, f = 1mhz 0.22 0.35 pf notes 1)esd gun return path connected to esd ground reference plane. 2)tlp settings: t p = 100ns, t r = 0.2ns, i tlp and v tlp sample window: t 1 = 70ns to t 2 = 90ns. 3) dynamic resistance calculated from i pp = 4a to i pp = 16a using best fit 4) device is electrically symmetrical
3 ? 2013 semtech corporation. www.semtech.com RCLAMP3321P protection products typical characteristics non-repetitive peak pulse power vs. pulse time 8x20us peak clamping voltage vs peak current capacitance vs. temperature vs. bias voltage tlp characteristic 0.0 0.2 0.4 0.6 0.8 -50 0 50 100 150 junction capacitance - c j (pf) temperature ( o c) vr = 0v vr = 3.3v rc3321p_ar_cj f = 1mhz esd clamping (-8kv contact per iec 61000-4-2) -140 -120 -100 -80 -60 -40 -20 0 20 -20 0 20 40 60 80 100 clamping voltage - v c (v) time (ns) t a = 25 o c. waveform iec61000-4-2 -8kv. measured with and corrected for 50, 40db attenuato r. 50 scope input impedance, 2ghz bw. esd gun return connected to esd ground plane . rc3321p_ar_n8_esd 1 10 100 1000 0.1 1 10 100 1000 peak pulse power - p pp (w) pulse duration - tp (s) dr040412-25 t a = 25 o c -5 0 5 10 15 20 0 1 2 3 4 5 peak clamping voltage - v c (v) peak pulse current - i pp (a) rc3321p_ar_8_20 surge t a = 25 o c waveform 8x20us -5 0 5 10 15 20 25 0 5 10 15 20 tlp current (a) dut voltage (v) rc3321p_ar_tlp t a = 25 o c t p = 100ns t r = 0.2ns t meas = 70-90ns r dyn = 0.47 typ. both directions -20 0 20 40 60 80 100 120 140 -20 0 20 40 60 80 100 clamping voltage - v c (v) time (ns) t a = 25 o c. waveform iec61000-4-2 +8kv. measured with and corrected for 50, 40db attenuato r. 50 scope input impedance, 2ghz bw. esd gun return connected to esd ground plane. rc3321p_ar_p8_esd esd clamping (+8kv contact per iec 61000-4-2)
4 ? 2013 semtech corporation. www.semtech.com RCLAMP3321P protection products typical characteristics (continued) -10 -8 -6 -4 -2 0 10 100 1000 10000 insertion loss - il (db) frequency (mhz) rc3321p_ar_il_sim typical insertion loss (s21)
5 ? 2013 semtech corporation. www.semtech.com RCLAMP3321P protection products "**'$ 4 9
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6 ? 2013 semtech corporation. www.semtech.com RCLAMP3321P protection products applications information device connection options these low capacitance tvs diodes are designed to provide common mode protection for one high-speed line or differential protection for one line pair. the device is bidirectional and may be used on lines where the signal polarity is positive and negative. circuit board layout recommendations for suppres- sion of esd. good circuit board layout is critical for the suppression of esd induced transients. the following guidelines are recommended: place the tvs near the input terminals or connectors to restrict transient coupling. minimize the path length between the tvs and the protected line. minimize all conductive loops including power and ground loops. the esd transient return path to ground should be kept as short as possible. never run critical signals near board edges. use ground planes whenever possible. equivalent circuit diagram
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7 ? 2013 semtech corporation. www.semtech.com RCLAMP3321P protection products outline drawing - slp1006p2 land pattern - slp1006p2 inches .026 bsc aaa n e l e .008 .020 dim a min .018 .016 0.30 0.70 0.20 0.50 .003 2 .010 .024 .012 .028 0.08 2 0.25 0.60 0.65 bsc millimeters max 0.55 0.55 dimensions min 0.45 nom .020 .020 max .022 .022 nom 0.40 0.50 0.50 controlling dimensions are in millimeters (angles i n degrees). notes: 1. bottom view top view a b c b aaa c seating plane bbb c a b d .035 .039 .043 0.90 1.10 1.00 .004 bbb 0.10 d e a1 a bxn e a1 .000 .001 .002 0.00 0.03 0.05 r 2x l pin 1 id r .002 .004 .006 0.05 0.10 0.15 this land pattern is for reference purposes only. consult your manufacturing group to ensure your notes: 2. dim y g c millimeters inches (0.85) .055 .012 .022 (.033) 1.40 0.55 0.30 dimensions company's manufacturing guidelines are met. z y (c) g z x .024 0.60 x 1. controlling dimensions are in millimeters (angles i n degrees).
8 ? 2013 semtech corporation. www.semtech.com RCLAMP3321P protection products marking tape and reel speci? cation ordering information notes: 1) device is electrically symmetrical 2) marking will also include line matrix date code note: railclamp and rclamp are trademarks of semtech corporation part number qty per reel reel size RCLAMP3321P.tnt 10,000 7 inch
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device orientation in tape contact information semtech corporation protection products division 200 flynn rd., camarillo, ca 93012 phone: (805)498-2111 fax (805)498-3804

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