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| november, 14th 2010 automotive grade auir3314(s) programmable current sense high side switch features ? load current feedback www.irf.com 1 ? programmable over current shutdown ? active clamp ? esd protection ? input referenced to vcc ? over temperature shutdown ? reverse battery protection ? lead-free description the auir3314(s) is a fully protected 4 terminals high side switch. the input signal is referenced to vcc. when the input voltage vcc - vin is higher than the specified threshold, the output power mosfet is turned on. when the vcc - vin is lower than the specified vil threshold, the output mosfet is turned off. a current proportional to the power mosfet current is sourced to the ifb pin. over current shutdown occurs when vifb-vin > 4.7v. the current shutdown threshold is adjusted by selecting the proper rifb. either over current and over temperature latches off the switch. the device is reset by pulling the input pin high. other integrated protections (esd, reverse battery, active clamp) make the switch very rugged in automotive environment. product summary rds(on) 12 m ? max. vcc op. 6 to 32v current ratio 5300 prog. ishutdown 6 to 58a vclamp 40v packages to-220 d2pak auir3314 pin 4 and 5 fused AUIR3314S typical connection out auir3314 in rifb vcc load battery input power ground ifb logic ground current feeback 10k on off
auir3314(s) qualification information ? automotive (per aec-q100 ?? ) qualification level comments: this family of ics has pass ed an automotive qualification. ir?s industrial and consumer qualification level is granted by extension of the higher automotive level. d2pak-5l msl1, 260c (per ipc/jedec j-std-020) moisture sensitivity level to220-5l not applicable machine model class m4 (450v) (per aec-q100-003) human body model class h3a (4,500 v) ( per aec-q100-002 ) esd charged device model class c4 (1000 v) (per aec-q100-011) ic latch-up test class ii, level a (per aec-q100-004) rohs compliant yes ? qualification standards can be found at international rectifier?s web site http://www.irf.com/ ?? exceptions to aec-q100 requirement s are noted in the qualification report. www.irf.com 2 auir3314(s) absolute maximum ratings absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. all voltage parameters are referenced to vcc lead. (tj=-40..150c, vcc=6..26v tambient=25c unless otherwise specified). symbol parameter min. max. units vcc-vin maximum vcc voltage -16 37 vcc-vin cont. maximum continuous vcc voltage -16 32 vcc-vfb maximum ifb voltage -16 33 vcc-vout maximum output voltage -0.3 37 v ids cont. maximum body diode cont inuous current rth=60c/w (1) ? 2.8 ids pulsed maximum body diode pulsed current (1) ? 100 a pd maximum power di ssipation rth=60c/w ? 2 w tj max. max. storage & operating temperature junction temperature -40 150 c min rfb minimum on the re sistor on ifb pin 0.3 ? k ? ifb max. max. ifb current -50 50 ma (1) limited by junction temperature. pulsed is also limited by wiring thermal characteristics symbol parameter typ. max. units rth1 thermal resistance junction to ambient d2-pak std footprint 60 ? rth2 thermal resistance junc tion to case d2-pak 1.2 ? rth3 thermal resistance junction to case to-220 1.2 ? c/w recommended operating conditions these values are given for a quick design. for operation ou tside these conditions, please consult the application notes. symbol parameter min. max. units continuous output current iout tambient=85c, rt h=5c/w, tj=125c ? 18 a tambient=85c, rth=60c/w, tj=125c ? 5 rifb recommended ifb resistor (2)(3) 0.5 3.5 k ? pulse min. minimum turn-on pulse width 1 ? ms fmax. maximum operating frequency ? 200 hz (2) if rifb is too low, the device can be damaged. (3) if rifb is too high, the device may not switch on. www.irf.com 3 auir3314(s) protection characteristics tj=-40..150c, vcc=6..26v, rifb=500 to 5k ? symbol parameter min. typ. max. units test conditions vifb-vin@isd over-current shut down threshold 3.8 4.7 5.9 v tsd over temperature threshold ? 165 ? c see fig. 5 ov over voltage protection (not latched) 33 35 39 v isdf fixed over current shut down 57 72 90 vifb auir3314(s) lead assignments 1- in 2- ifb 3- vcc (tab) 4- out 5- out 1 2 4 5 d2pak 3- vcc 1 2 3 4 5 to220 3- vcc 1- in 2- ifb 3- vcc (tab) 4- nc 5- out vou t vcc-vin tr-in 90% 10 % 90% 10 % td on tr1 td off tf vc c-5v tr2 vcc-vin vih vil vhyst iin icc ifb in vcc out ir3314 ifb vcc-vout vclamp1 vclamp2 iout isd figure 1 ? voltages and current definitions figure 2 ? switching time definitions www.irf.com 6 auir3314(s) figure 3 ? active clamp waveforms figure 4 ? min. pulse and wait function figure 5 ? protection timing diagrams v ou t ut n io vi t clamp vcc-vin t min. pulse iout t min. pulse wait vcc vcc - v clamp se e a pp lication notes to evaluate p ower dissi p ation vcc-vin t < t reset iout wait t j t > t reset over-current shutdown t < t reset wait t > t reset over-temperature shutdown www.irf.com 7 auir3314(s) www.irf.com 8 all curves are typical characteristic s. operation in hatched areas is not recommended. tj=25c, rifb=500ohm, vcc=14v (unless otherwise specified). 0 2 4 6 8 10 0 10 2030405 0 1 2 3 4 5 6 -50 0 50 100 150 icc off, supply leakage current (a) icc, supply current (ma) 0 vcc-vin, supply voltage (v) tj, junction temperature (c) figure 6 ? icc (ma) vs vcc-vin (v) figure 7 ? icc off (a) vs tj (c) 50% 100% 150% 200% -50 0 50 100 150 0 1 2 3 4 5 6 -50 -25 0 25 50 75 100 125 150 vifb-vin@isd vih vil rds(on), drain-to -source on resistance (normalized) vih, vil and vifb-vin@isd (v) tj, junction temperature (c) tj, junction temperature (c) figure 8 - normalized rds(on) (%) vs tj (c) figure 9 ? vih, vil and vifb-vin@isd (v) vs tj (c) auir3314(s) www.irf.com 9 0 2 4 6 8 10 02 04 0 6 0 spec. max. with calibration 1 10 100 100 1000 10000 isd, over current shutdown (a) error (+/-a) i load, load current (a) rifb, feedback re sistor ( ? ) figure 10 ? error (+/- a) vs i load (a) figure 11 ? ids (a) vs rifb ( ? ) 1 10 100 10 100 1000 0 10 20 -50 0 50 100 150 60c/w 35c/w max. output current (a) max. output current (a) tamb., ambient temperature (c) inductance (h) figure 12 ? max. iout (a) vs tamb. (c) figure 13 ? max. iout (a) vs inductance (h) auir3314(s) www.irf.com 10 0.1 1 10 100 1.e-4 1.e-3 1.e-2 1.e-1 1.e+0 1.e+1 1.e+2 50c/w free air 5c/w 1 10 100 1.e-01 1.e+00 1.e+01 1.e+02 1.e+03 tamb=25c tamb=100c zth, transient thermal impedance (c/w) ids, output current (a) protection response time (s) time (s) figure 14 ? ids (a) vs over temperature protection response time (s) figure 15 ? transient thermal impedance (c/w) vs time (s) auir3314(s) case outline - to220 - 5 leads www.irf.com 11 auir3314(s) case outline - d2pak - 5 leads www.irf.com 12 auir3314(s) tape & reel - d2pak ? 5 leads www.irf.com 13 auir3314(s) part marking information ordering information standard pack base part number package type form quantity complete part number to220 ? 5leads tube 50 auir3314 tube 50 AUIR3314S tape and reel left 800 AUIR3314Strl auir3314 d2-pak-5-leads tape and reel right 800 AUIR3314Strr www.irf.com 14 auir3314(s) important notice unless specifically designated for the autom otive market, international rectifier corporation and its subsidiaries (ir) reserve the right to make corrections , modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or services without notice. part numbers designated with the ?au? prefix follow automotive industry and / or customer spec ific requirements with regards to product discontinuance and process change notification. all products are sold subject to ir?s term s and conditions of sale supplied at the time of order acknowledgment. ir warrants performance of its hardware products to the specific ations applicable at the time of sale in accordance with ir?s standard warranty. testing and other quality control techniques are used to the extent ir deems necessary to support this warranty. except where mandated by government requirements, testing of all parameters of each product is not necessarily performed. ir assumes no liability for applications assistance or custom er product design. customer s are responsible for their products and applications using ir co mponents. to minimize the risks with customer products and applications, customers should provide adequate design and operating safeguards. reproduction of ir information in ir data books or data sheets is permissible only if reproducti on is without alteration and is accompanied by all associated warranties, conditions, limit ations, and notices. reproduction of this information with alterations is an unfair and decepti ve business practice. ir is not responsible or liable for such altered documentation. information of third parties may be subject to additi onal restrictions. resale of ir products or serviced with statements different fr om or beyond the parameters stated by ir for that product or service voids all express and any implied warranties for t he associated ir product or service and is an unfair and deceptive business practice. ir is not res ponsible or liable for any such statements. ir products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or in other applications intended to support or sustain life, or in any other application in which the failure of the ir product could create a situation where personal injury or death may occur. s hould buyer purchase or use ir products for any such unintended or unauthorized applicat ion, buyer shall indemnify and hold in ternational rectifier and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, di rectly or indirectly, any claim of pers onal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ir was negligent r egarding the design or manufacture of the product. ir products are neither designed nor intended for use in milit ary/aerospace applications or environments unless the ir products are specifically designated by ir as military-grade or ?enhanced plastic.? only products designated by ir as military-grade meet military specifications . buyers acknowledge and agree that any such use of ir products which ir has not designated as military-grade is solely at the buyer?s risk, and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use. ir products are neither designed nor intended for use in autom otive applications or environm ents unless the specific ir products are designated by ir as compliant with iso/ ts 16949 requirements and bear a part number including the designation ?au?. buyers acknowledge and agree that, if they use any non-designated products in automotive applications, ir will not be responsible for any failure to meet such requirements. for technical support, pleas e contact ir?s technical assistance center http://www.irf.com/technical-info/ world headquarters: 233 kansas st., el segundo, california 90245 tel: (310) 252-7105 www.irf.com 15 auir3314(s) www.irf.com 16 revision history revision date notes/changes a 01/09/2006 first release b 22/01/2007 pin assignment c 16/04/2008 isd_1k max : 31a -> 30a isd_1k typ : 18a -> 18.8a d 14/01/2010 au release e 14/11/2010 change description |
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