1 www.semtech.com RCLAMP0582N railclamp ? ? ? ? ? low capacitance tvs diode array protection products - railclamp ? revision 1/25/2012 description circuit diagram features mechanical characteristics applications pin configuration railclamp ? tvs arrays are ultra low capacitance esd protection devices designed to protect high speed data interfaces. this series has been specifically designed to protect sensitive components which are connected to high-speed data and transmission lines from overvoltage caused by esd (electrostatic dis- charge), cde (cable discharge events), and eft (electrical fast transients). the monolithic design incorporates surge rated, low capacitance steering diodes and a tvs diode in a single package. each line has a typical capacitance of <0.2pf to ground. the capacitance of each line is well matched for consistant signal balance. a connection to the tvs is provided for protection of external voltage buses, such as those found in usb applica- tions. they may be used to meet the esd immunity requirements of iec 61000-4-2, level 4 (15kv air, 8kv contact discharge). the rclamp ? 0582n is qualified to aec-q100 grade1 (-40 to +125 o c) and is supplied in a 6-pin slp1210n6 package. it measures 1.2 x 1.0 x 0.58mm. ? esd protection for high-speed data lines to iec 61000-4-2 (esd) 20kv (air), 12kv (contact) iec 61000-4-4 (eft) 40a (5/50ns) ? qualified to aec-q100 grade1 (-40 to +125 o c) ? array of surge rated diodes with internal tvs diode ? small package saves board space ? protects two i/o lines and a power line ? low capacitance: 0.2pf typical ? low clamping voltage ? solid-state silicon-avalanche technology ? slp1210n6 package ? pb-free, halogen free, rohs/weee compliant ? nominal dimensions: 1.2 x 1.0 x 0.58 mm ? lead pitch: 0.4mm ? lead finish: nipdau ? marking : marking code ? packaging : tape and reel ? automobile usb ? mmc/sd port ? automobile video ports g nd (pin 1) nc (pin 2) nc (pin 3) i/o 1 (pin 4) vbus (pin 6) i/o 2 (pin 5) 6 145
2 ? 2012 semtech corporation. www.semtech.com protection products RCLAMP0582N absolute maximum rating absolute maximum ratings electrical characteristics (t=25 o c unless otherwise specified) g n i t a rl o b m y se u l a vs t i n u ) s 0 2 / 8 = p t ( r e w o p e s l u p k a e pp k p 5 2 1s t t a w ) s 0 2 / 8 = p t ( t n e r r u c e s l u p k a e pi p p 5a ) r i a ( 2 - 4 - 0 0 0 1 6 c e i r e p d s e ) t c a t n o c ( 2 - 4 - 0 0 0 1 6 c e i r e p d s e v d s e 0 2 2 1 v k e r u t a r e p m e t g n i t a r e p ot j 5 2 1 + o t 5 5 -c e r u t a r e p m e t e g a r o t st g t s 0 5 1 + o t 5 5 -c r e t e m a r a pl o b m y ss n o i t i d n o cm u m i n i ml a c i p y tm u m i x a ms t i n u e g a t l o v f f o - d n a t s e s r e v e rv m w r d n g o t 6 n i p5 . 6v e g a t l o v n w o d k a e r b e s r e v e rv r b i t d n g o t 6 n i p ; a m 1 = 0 4 - = t o 5 2 1 o t c o c 75 . 92 1v t n e r r u c e g a k a e l e s r e v e ri r v m w r , v 5 . 6 = d n g o t 6 n i p 5 2 = t o c5 0 0 . 00 0 1 . 0a 5 2 1 = t o c0 0 2 . 0a u e g a t l o v g n i p m a l cv c i p p s 0 2 / 8 = p t , a 1 = d n u o r g o t n i p o / i y n a 5 1v e g a t l o v g n i p m a l cv c i p p s 0 2 / 8 = p t , a 5 = d n u o r g o t n i p o / i y n a 5 2v e c n a t i c a p a c n o i t c n u jc j v r z h m 1 = f , v 0 = d n u o r g o t n i p o / i y n a 2 . 05 . 0f p v r z h m 1 = f , v 0 = s n i p o / i n e e w t e b 2 . 05 . 0f p
3 ? 2012 semtech corporation. www.semtech.com protection products RCLAMP0582N typical characteristics non-repetitive peak pulse power vs. pulse time power derating curve clamping voltage vs. peak pulse current i/o to gnd - pin 4, 5 to pin 1 normalize capacitance vs. reverse voltage i/o to gnd - pin 4, 5 to pin 1 esd clamping (contact per iec 61000-4-2) 1 2 3 4 5 start . 030 mhz 3 stop 000 . 000 000 mhz ch1 s21 log 6 db / ref 0 db 1: - 0.12430 db 800 mhz 2: - 0.12550 db 900 mhz 3: - 0.13250 db 1.8 ghz 4: - 07890 db 2.5 ghz 0 db - 6 db - 12 db - 18 db - 24 db - 30 db - 36 db 1 ghz 100 mhz 3 ghz 10 mhz 1 mhz - 42 db - 48 db 0.01 0.1 1 0.1 1 10 100 1000 pulse duration - tp (s) peak pulse power - p pp (kw) 0 20 40 60 80 100 120 0 25 50 75 100 125 150 ambient temperature t a ( o c) % rated power or i pp (%) 0 5 10 15 20 25 1234 5 peak pulse current - i pp (a) clamping voltage -v c (v) t a =25 o c waveform parameters: tr = 8s; td = 20s line to gnd; (pin 4 or 5 to pin 1) 0 0.1 0.2 0.3 0.4 0.5 0.6 0123456 7 reverse voltage - v r (v) capacitance - c j (pf) tvs to gnd line to gnd t a =25 o c f = 1 mhz insertion loss 0 5 10 15 20 25 30 024681 0 esd surge (kv) clamp voltage (v) t a = 25 o c. waveform 1ns/60ns. corrected for 40db attenuation. measured with 50 ? , 40db attenuator; 50 ? scope input impedance. clamp voltage measured at 30ns.
4 ? 2012 semtech corporation. www.semtech.com protection products RCLAMP0582N typical characteristics capacitance v temperature vf v temperature breakdown voltage v temperature leakage current v temperature crosstalk pin 4 to pin 5 0 1 2 3 4 5 -50 0 50 100 15 0 temperature ( o c) capacitance (pf) vr=0v; line to line vr=6.5v; line to line vr=0v; pin6 to gnd vr=6.5v; pin6 to gnd 0.6 0.8 1.0 1.2 -50 0 50 100 15 0 temperature ( o c) forward voltage - vf (v) t a =25 o c i f =100ma pins 1, 4 or 5 to pin6 8 9 10 11 12 -50 0 50 100 15 0 temperature ( o c) breakdown voltage - vbr (v) vbr pin4 or 5 to pin1 vbr pin6 to pin1 ibr = 1ma 0 50 100 150 200 250 -50 0 50 100 15 0 temp. (c) leakage current - ir (na) vr = 6.5v pin 4,5 or 6 to 1
5 ? 2012 semtech corporation. www.semtech.com protection products RCLAMP0582N applications information applications information device connection options for protection of two high-speed data lines data line inputs are normally connected at pins 4 & 5 with the outputs connected at pins 2 & 3. pin 1 is connected to ground. note that the circuit at the ground pin is identical to the circuit at each data input/output pin. this is done to further reduce capacitance. the connection to ground should be made directly to a ground plane. the path length should also be kept as short as possible to minimize parasitic inductance. pin 6 can be connected to vcc biased or left not connected depending upon the application. protecting usb 2.0 interfaces the usb interface consists of data (d- and d+) lines and a 5.25v voltage bus. since these pins are part of the connector, they are vulnerable to esd and cable discharge events. the RCLAMP0582Nq is designed to protect all four usb connections (vcc, d-, d+, and gnd). each device will protect one usb port. when the voltage on the data lines exceed the bus voltage (plus one diode drop), the internal rectifiers are forward biased conducting the transient current away from the protected controller chip. the tvs diode directs the surge to ground. the tvs diode also acts to suppress esd strikes directly on the voltage bus. thus, both power and data pins are protected with a single device. figure 1- pin configuration & circuit diagram figure 2 - usb 2.0 high speed protection 6 145 gnd vbus d- d+ usb connector u sb controller pin 1 d+ d- pin 2 pin 3 pin 4 pin 5 pin 6 g nd (pin 1) nc (pin 2) nc (pin 3) d+ or d- (pin 4) vbus (pin 6) d+ or d- (pin 5)
6 ? 2012 semtech corporation. www.semtech.com protection products RCLAMP0582N outline drawing - slp1210n6 land pattern - slp1210n6 1.00 .039 e 1.30 1.10 .051 .043 0.90 1.10 .043 .035 e d a a2 aaa c a1 pin 1 indicator (laser mark) b a c seating plane 12 d/2 e/2 inches .016 bsc b .006 bbb aaa n l e d .012 dim a1 a2 a min 0.00 .020 0.25 0.15 .010 0.20 .008 0.425 0.30 .004 .003 6 .015 .047 .017 0.08 0.10 6 0.38 1.20 0.40 bsc millimeters max 0.05 0.65 dimensions min 0.00 nom (.005) .023 .001 max .002 .026 nom 0.50 0.03 (0.13) 0.58 controlling dimensions are in millimeters (angles in degrees). notes: 1. n bxn e bbb c a b lxn this land pattern is for reference purposes only. consult your manufacturing group to ensure your notes: 2. dim x y p g c millimeters inches (0.875) .008 .027 .008 .016 (.034) 0.20 0.675 0.40 0.20 dimensions company's manufacturing guidelines are met. 1.55 .061 z 1. controlling dimensions are in millimeters (angles in degrees). p z x y g ( c)
7 ? 2012 semtech corporation. www.semtech.com protection products RCLAMP0582N marking codes ordering information r e b m u n t r a pl e e r r e p y t qe z i s l e e r t c t . n 2 8 5 0 p m a l c r0 0 0 , 3h c n i 7 railclamp and rclamp are marks of semtech corporation tape and reel specification e p a t h t d i w ) x a m ( , bd1 de f k ) x a m ( p0 p2 p) x a m ( tw m m 8 m m 2 . 4 ) 5 6 1 . ( 1 . 0 + 5 . 1 0 . 0 - m m 9 5 . 0 ( m m 5 0 0 . + ) 0 0 0 . - m m 8 . 0 5 0 . 0 ) 1 3 0 . ( 0 1 . 0 5 7 . 1 m m ) 4 0 0 . 9 6 0 . ( 5 0 . 0 5 . 3 m m ) 2 0 0 . 8 3 1 . ( m m 4 . 2 ) 4 9 0 . ( 1 . 0 0 . 4 m m - 0 0 . 7 5 1 . ( ) 4 1 . 0 0 . 4 m m - 0 0 . 7 5 1 . ( ) 4 - m 5 0 . 0 0 . 2 m ) 2 0 0 . 9 7 0 . ( m m 4 . 0 ) 6 1 0 . ( m m 0 . 8 m m 3 . 0 + m m 1 . 0 - - 2 1 0 . 2 1 3 . ( ) 0 a0 b0 k m m 0 1 . 0 1 2 . 1m m 0 1 . 0 1 4 . 1m m 0 1 . 0 4 7 . 0 pin 1 location user direction of feed device orientation in tape yyww = date code semtech corporation protection products division 200 flynn road, camarillo, ca 93012 phone: (805)498-2111 fax (805)498-3804 contact information
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