? semiconductor components industries, llc, 2011 october, 2011 ? rev. 3 1 publication order number: PACUSBVB/d PACUSBVB usb downstream port terminator with vbus esd protection product description the PACUSBVB ? d1 is a single ? channel usb downstream ? port termination network. it integrates emi/rfi filter components r1 and c1 as recommended by the usb specification, as well as the required 15 kw pull ? down resistors (r2) to gnd. in addition, PACUSBVB ? d1 provides a very high level of protection for sensitive electronic components that may be subjected to electrostatic discharge (esd). the device pins will safely dissipate esd strikes of ? 15 kv, exceeding the maximum requirements of the iec 61000 ? 4 ? 2 international standard. using the mil ? std ? 883d (method 3015) specification for human body model (hbm) esd, all pins are protected from contact discharges to ? 20 kv. the PACUSBVB ? d1 also features a fifth zener diode (cathode at pin 5) which provides esd protection for the usb vbus line. there are three options for the value of the series resistor r1: 15 , 33 , and 22 . this series resistance, plus the usb driver output resistance, must be close to the usb cable?s characteristic impedance of 45 (each side) to minimize transmission line reflections. the PACUSBVB ? d1 is housed in a 6 ? pin sot23 package and is available with optional lead ? free finishing. features ? a low ? capacitance usb downstream port terminator, emi filter, and transient over ? voltage protector in a single surface ? mounted package ? esd protection to ? 20 kv contact discharge, per mil ? std ? 883d, method 3015 ? esd protection to ? 15 kv contact dischar ge, per iec 61000 ? 4 ? 2 international standard ? provides esd protection for the vbus line ? compact sot23 ? 6 package saves board space and lowers manufacturing costs compared to discrete solutions ? capacitors matched to a precision exceeding the usb specification ? these devices are pb ? free and are rohs compliant applications ? esd protection and termination of usb downstream ports ? desktop pcs ? notebooks ? set ? top boxes ? usb hubs http://onsemi.com marking diagram device package shipping ? ordering information PACUSBVB ? d1y6r sot23 ? 6 (pb ? free) 3000/tape & reel ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our tape and reel packaging specification brochure, brd8011/d. electrical schematic 1 2 4 6 r1 3 r1 r2 r2 c1 c1 gnd ud1r ud1r = PACUSBVB ? d1y6r 5 v bus sot23 ? 6 case 527aj
PACUSBVB http://onsemi.com 2 package / pinout diagrams 6 ? pin sot23 d+ cntr 1 d+ conn 2 34 6 gnd d ? cntr d ? conn ud1r top view v bus 5 table 1. pin descriptions pins name description 1 d+ cntr d+ data to the usb controller circuitry 2 gnd ground pin 3 d ? cntr d ? data to the usb controller circuitry 4 d ? conn d ? data to the usb connector 5 v bus v bus input pin 6 d+ conn d+ data to the usb connector specifications table 2. absolute maximum ratings parameter rating units storage temperature range ? 65 to +150 ? c power dissipation per resistor 100 mw package power dissipation 200 mw voltage on any pin (dc) 6 v stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above t he recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may af fect device reliability. table 3. standard operating conditions parameter rating units operating temperature ? 40 to +85 ? c v bus input voltage 5 v
PACUSBVB http://onsemi.com 3 specifications (cont?d) table 4. electrical operating characteristics symbol parameter conditions min typ max units r1 resistance of r1 resistor t a = 25 ? c 26.4 33 39.6 r2 resistance of r2 resistor t a = 25 ? c 15 k tcr temperature coefficient of resistance +1300 ppm/ ? c c1 capacitance of c1 capacitor 0 v dc, 30 mv ac, 1 mhz, 25 ? c 37.6 47.0 56.4 pf 2.5 v dc, 30 mv ac, 1 mhz, 25 ? c 25.6 32.0 38.4 pf tol cm matching tolerance of c1 capacitors 1 mhz, 25 ? c ? 2 % i leak diode leakage current to gnd measured at 3.3 v dc, 25 ? c 1 100 na v rb diode reverse bias voltage i load = 10 a, t a = 25 ? c 5.5 v v sig signal voltage: positive clamp negative clamp i load = 10 ma, t a = 25 ? c i load = 10 ma, t a = 25 ? c 5.6 ? 0.4 6.8 ? 0.8 9.0 ? 1.5 v v esd in ? system esd withstand voltage mil ? std ? 883d, method 3015 (hbm) iec 61000 ? 4 ? 2 contact discharge pins 1, 3 (notes 1 and 2) pins 4, 5 (note 1) pins 4, 5 (note 1) ? 4 ? 20 ? 15 kv v cl clamping voltage under esd discharge mil ? std ? 883d, method 3015 +8 kv (note 3) 12 v mil ? std ? 883d, method 3015 ? 8kv (note 3) ? 7 v 1. esd voltage applied to pins with respect to gnd, one at a time; unused pins are left open. 2. pins 1 and 3 are not connected to the usb port connector, and therefore are not exposed to external esd hazards. thus, they do not req uire the high esd protection levels provided for pins 4, 5, and 6. 3. esd clamping voltage is measured at the opposite end of r1 from the pin to which the esd discharge is applied (e.g., if esd i s applied to pin 6, then the clamping voltage is measured at pin 1).
PACUSBVB http://onsemi.com 4 performance information capacitance vs. voltage the c1 capacitance value as a function of dc voltage across it is presented in figure 1. the curve is normalized to a capacitance of 1.0 capacitance units at 2.5 v dc. figure 1. diode capacitance vs. dc voltage (normalized) dc voltage normalized c1 capacitance 123456 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 insertion loss vs. frequency characteristics figure 2. insertion loss vs. frequency performance curve, PACUSBVB ? d1 (sot23 ? 6)
PACUSBVB http://onsemi.com 5 application information the PACUSBVB ? d1 provides a complete interface for a single downstream usb port typically found in computers and usb hubs. it integrates the series resistors (r1) and the 15 k pull ? down resistors (r2) for both usb data lines (d+ and d ? ) as well as the capacitors to ground for emi suppression. zener diodes provide esd protection up to 15 kv contact discharge per the iec 61000 ? 4 ? 2 standard and protect the usb controller on both data lines. the 6 ? lead PACUSBVB ? d1 device provides an additional zener diode to protect the vbus usb power line. the PACUSBVB ? d1 should be placed on the pcb between the usb controller and the usb connector, as shown on the connection diagram, figure 3. figure 3. connection diagram for PACUSBVB ? d1 1 2 4 6 r1 3 downstream usb connector r2 c1 d+ r2 c1 r1 d ? usb controller d+ d ? PACUSBVB ? dny6r 5 v bus to guarantee the best esd and filtering performance, it is recommended that the PACUSBVB ? d1 be located close to the usb connector. also, the trace lengths between the PACUSBVB ? d1 and the usb controller should be kept as short as possible.
PACUSBVB http://onsemi.com 6 package dimensions sot ? 23, 6 lead case 527aj ? 01 issue a d a1 5 12 detail a l e1 b a detail a c dim min max millimeters a1 0.00 0.15 a2 0.90 1.30 b 0.20 0.50 c 0.08 0.26 d 2.70 3.00 e 2.50 3.10 e1 1.30 1.80 e 0.95 bsc l2 0.25 bsc l notes: 1. dimensioning and tolerancing per asme y14.5m, 1994. 2. controlling dimension: millimeters. 3. datum c is the seating plane. 0.20 0.60 a --- 1.45 3 64 e a2 side view top view end view a s a m 0.20 6x seating plane b c s b e *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* 3.30 0.95 0.85 6x dimensions: millimeters 0.56 pitch 6x recommended 0.10 c c 6x seating plane l2 gage plane on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its of ficers, employees, subsidiaries, af filiates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. publication ordering information n. american technical support : 800 ? 282 ? 9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5817 ? 1050 PACUSBVB/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 toll free usa/canada fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
mouser electronics authorized distributor click to view pricing, inventory, delivery & lifecycle information: on semiconductor: ? PACUSBVB-d1y6r? PACUSBVB-d3y6r
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