DT1446-04SO document number: ds36526 rev. 2 - 2 1 of 5 www.diodes.com july 2014 ? diodes incorporated DT1446-04SO advance information 4 channel low capacitance tvs diode array product summary v br ( min ) i pp ( max ) c t ( t yp) 6v 4.7a 0.55pf description the DT1446-04SO is a high performance device suitable for protecting four high speed i/os and one v cc . these devices are assembled in sot26 package. they have high esd surge capability and low capacitance. applications ? typically used for high speed ports such as usb 2.0, ieee1394, hdmi, laptop and personal computers, flat panel displays, video graphics displays, sim ports features ? iec 61000-4-2 (esd): air ? 19kv, contact ? 16kv ? low channel input capacitance of 0.55pf max ? esd protection for four i/os and one vcc ? lead-free finish; rohs compliant (notes 1 & 2) ? halogen and antimony free. ?green? device (note 3) ? mechanical data ? case: sot26 ? case material: molded plasti c, ?green? molding compound. ul flammability classification rating 94v-0 ? moisture sensitivity: level 1 per j-std-020 (lead free plating). solderable per mil-std-202, method 208 ? weight: 0.016 grams (approximate) ordering information (note 4) product compliance marking reel size (inches) tape width (mm) quantity per reel DT1446-04SO-7 standard bd5 7 8 3,000/tape & reel notes: 1. eu directive 2002/95/ec (rohs) & 2011/65/eu (roh s 2) compliant. all applicable rohs exemptions applied. 2. see http://www.diodes.com/quality/lead_free.html for more in formation about diodes incorporated?s definitions of halogen- a nd antimony-free, "green" and lead-free. 3. halogen- and antimony-free "green? products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total br + cl) and <1000ppm antimony compounds. 4. for packaging details, go to our websit e at http://www.diodes.com /products/packages.html. marking information date code key year 2013 2014 2015 2016 2017 2018 code a b c d e f month jan feb mar apr may jun jul aug sep oct nov dec code 1 2 3 4 5 6 7 8 9 o n d bd5 = product type marking code ym = date code marking y = year (ex: a = 2013) m = month (ex: 9 = september) top view device schematic ? green sot26 e3
DT1446-04SO document number: ds36526 rev. 2 - 2 2 of 5 www.diodes.com july 2014 ? diodes incorporated DT1446-04SO advance information maximum ratings (@t a = +25c, unless otherwise specified.) characteristic symbol v alue unit conditions peak pulse current ,per iec 61000-4-5 i pp_i/o 4.7 a i/o to v ss , 8/20s operating voltage (dc) v dc 6 v v cc to v ss esd protection ? contact discharge v esd_i/o 16 kv i/o to v ss , per iec 61000-4-2 v esd_ v cc 30 kv v cc to v ss , per iec 61000-4-2 esd protection ? air discharge, per iec 61000-4-2 v esd_i/o 19 kv i/o to v ss , per iec 61000-4-2 v esd_ v cc 30 kv v cc to v ss , per iec 61000-4-2 thermal characteristics characteristic symbol v alue unit power dissipation typical (note 5) p d 300 mw thermal resistance, junction to ambient typical (note 5) r ja 417 c/w operating and storage temperature range t j , t stg -55 to +150 oc electrical characteristics (@t a = +25c, unless otherwise specified.) characteristic symbol min typ max unit test conditions reverse working voltage v rwm ? ? 5.0 v v cc to v ss reverse current (note 6) i r( v cc to v ss) ? ? 5.0 a v r = v rwm = 5v, v cc to v ss reverse current (note 6) i r(io to v ss) ? ? 1.0 a v r = v rwm = 5v, any i/o to v ss reverse breakdown voltage vbr 6.0 ? 9.0 v i r = 1ma, v cc to v ss forward clamping voltage v f 0.8 1.0 v i f = 15ma, v ss to v cc reverse clamping voltage (note 7) v c_i/o ? 8.5 ? v i pp =4.7a, i/o to v ss , 8/20s esd clamping voltage v esd _v cc ? 10 ? v tlp, 20a, tp = 100 ns, v cc to v ss v esd _i/o ? 12 ? v tlp, 20a, tp = 100 ns, i/o to v ss dynamic resistance r dif_ v cc ? 0.14 ? ? tlp, 20a, tp = 100 ns, v cc to v ss r dif_i/o ? 0.3 ? ? tlp, 20a, tp = 100 ns, i/o to v ss channel input capacitance c i/o to v ss ? 0.55 0.65 pf v r = 2.5v, v cc = 5v, f = 1mhz channel input capacitance c i/o to v ss ? 0.65 ? pf v r = 2.5v, v cc = floating, f = 1mhz variation of channel input capacitance c i/omax - c i/omin ? 0.03 ? pf v cc = 5v, v ss = 0v, i/o = 2.5v, f =1mhz, t = +25c , c i/omax - c i/omin variation of channel input capacitance c i/omax - c i/omin ? 0.05 ? pf v cc =floating , v ss = 0v, i/o = 2.5v, f = 1mhz, t = +25c , c i/omax - c i/omin notes: 5. device mounted on fr-4 pcb pad layout (2oz copper) as shown on diodes, inc. suggeste d pad layout ap02001, which can b e found on our website at http://www.diodes.com. 6. short duration pulse test used to minimize self-heating effect. 7. clamping voltage value is bas ed on an 8x20s peak pulse current (i pp ) waveform.
DT1446-04SO document number: ds36526 rev. 2 - 2 3 of 5 www.diodes.com july 2014 ? diodes incorporated DT1446-04SO advance information 0 25 50 75 100 0 25 50 75 100 125 150 175 200 peak pulse derating in % of peak power or current t a ,ambient temperature(c) figure1. pulse derating curve 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 -55-255 356595125155 breakdown voltage,trigger voltage(v) t a , ambient temperature (c) figure 2. bv, trigger voltage vs. ambient temperature bv vtrig 5 6 7 8 9 10 11 12 012345678 v c, clamping voltage (v) current from i/o to vss(a) figure 5. clamping voltage characteristic iec61000-4-5 (lighting) 0 1 2 3 4 5 6 7 8 9 -40 -30 -20 -10 0 10 20 30 40 50 60 70 clamping voltage,current (v,a) t,time us figure 6. wavef orm of clamping voltage,current vs. time(8/20us,i/o to vss) ampere voltage
DT1446-04SO document number: ds36526 rev. 2 - 2 4 of 5 www.diodes.com july 2014 ? diodes incorporated DT1446-04SO advance information package outline dimensions please see ap02002 at http://www.diodes.com /datasheets/ap02002.pdf for latest version. suggested pad layout please see ap02001 at http://www.diodes.com/dat asheets/ap02001.pdf for the latest version. sot26 dim min max typ a 0.35 0.50 0.38 b 1.50 1.70 1.60 c 2.70 3.00 2.80 d ? ? 0.95 h 2.90 3.10 3.00 j 0.013 0.10 0.05 k 1.00 1.30 1.10 l 0.35 0.55 0.40 m 0.10 0.20 0.15 0 8 ? all dimensions in mm dimensions value (in mm) z 3.20 g 1.60 x 0.55 y 0.80 c1 2.40 c2 0.95 a m j l d b c h k x z y c1 c2 c2 g
DT1446-04SO document number: ds36526 rev. 2 - 2 5 of 5 www.diodes.com july 2014 ? diodes incorporated DT1446-04SO advance information important notice diodes incorporated makes no warranty of any kind, express or implied, with regards to this document, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose (and their equivalents under the laws of any jurisdiction). diodes incorporated and its subsidiaries rese rve the right to make modifications, enhanc ements, improvements, corrections or ot her changes without further notice to this document and any product described herein. diodes incorporated does not assume any liability ari sing out of the application or use of this document or any product described herein; neither does diodes incor porated convey any license under its patent or trademark rights, nor the rights of others. any customer or user of this document or products described herein in such applica tions shall assume all risks of such use and will agree to hold diodes incorporated and all the companies whose pr oducts are represented on diodes incorporated website, harmless against all damages. diodes incorporated does not warrant or accept any liability w hatsoever in respect of any products purchased through unauthoriz ed sales channel. should customers purchase or use diodes inco rporated products for any unintended or un authorized application, customers shall i ndemnify and hold diodes incorporated and its representat ives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim of personal injury or death a ssociated with such unintended or unauthorized application. products described herein may be covered by one or more united states, international or foreign patents pending. product names and markings noted herein may also be covered by one or more united states, international or foreign trademarks. this document is written in english but may be translated into multiple languages for reference. only the english version of t his document is the final and determinative format released by diodes incorporated. life support diodes incorporated products are specifically not authorized for use as critical component s in life support devices or systems without the express written approval of the chief executive offi cer of diodes incorporated. as used herein: a. life support devices or syst ems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when prope rly used in accordance with instructions for use provided in the labeling can be reasonably expected to re sult in significant injury to the user. b. a critical component is any component in a life support devic e or system whose failure to perform can be reasonably expect ed to cause the failure of the life support device or to affect its safety or effectiveness. customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support dev ices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-rel ated requirements concerning the ir products and any use of diodes incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or s ystems-related information or support that may be provided by diodes incorporated. further, customers must fully indemnify diodes incorporate d and its representatives against any damages arisi ng out of the use of diodes incorporated pr oducts in such safety-critical, life suppor t devices or systems. copyright ? 2014, diodes incorporated www.diodes.com
|
