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data sheet no. pd60288_d ir3313(s)pbf 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 description the ir3313(s)pbf 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 vst-vin > 4.5v. 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) 7 m ? max. vcc op. 6 to 32v current ratio 8800 prog. ishutdown 10 to 90a vclamp 40v packages to-220 d2pak ir3313 pin 4 and 5 fused ir3313s typical connection out ir3313 in rifb vcc load battery input power ground ifb logic ground current feeback 10k on off
ir3313(s)pbf 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. (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 dissipation rth=60c/w ? 2 w esd1 electrostatic discharge voltage (human body) c=100pf, r=1500 ? ? 4 esd2 electrostatic discharge voltage (machine model) c=200pf,r=0 ? ? 0.5 kv tj max. max. storage & operating temperature junction temperature -40 150 c min rfb minimum on the resistor 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 junction to case d2-pak 0.7 ? rth2 thermal resistance junction to case to220 0.7 ? 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 tambient=85c, rth=5c/w, tj=125c 23 iout tambient=85c, rth=60c/w, tj=125c ? 7 a rifb recommended ifb resistor (2)(3) 0.3 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 2
ir3313(s)pbf protection characteristics tj=25c, rifb=500 to 3.5k ? symbol parameter min. typ. max. units test conditions vifb-vin@isd over-current shutdown threshold 4 4.7 5.6 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 90 120 140 vifb ir3313(s)pbf current sense characteristics symbol parameter min. typ. max. units test conditions ratio i load/iifb current ratio 7,500 8,800 9,950 ? tj=25c, rfb=500 ? , iout=60a ratio_tc i load/iifb variation aver temperature(6) -5 ? +5 % tj=-40c to 150c offset load current diagnostic offset -0.22 0 +0.2 a iout=2a trst ifb response time (low signal) ? 1 ? s 90% of the iout step functional block diagram all values are typical 1 ms 3ma charge pump fast turn-off driver reverse battery protection in ifb out vcc on/off set reset latch q timer 43v 80? + - - + 4.7v tj > 165c iout > 120a 400s timer - + 35v 38v 43v - + 43v wait m in. pulse www.irf.com 4
ir3313(s)pbf lead assignments 1- in 2- ifb 3- vcc (tab) 4- out(to220 nc) 5- out 1 2 4 5 d2pak 3- vcc 1 2 3 4 5 to220 3- vcc vout vcc-vin tr-in 90% 10% 90% 10% td on tr1 td off tf vcc-5v tr2 vcc-vin vih vil vhyst iin icc ifb in vcc out ir3313 ifb vcc-vout vclamp1 vclamp2 iout isd figure 1 ? voltages and current definitions figure 2 ? switching time definitions www.irf.com 5
ir3313(s)pbf vin figure 3 ? active clamp waveforms figure 4 ? min. pulse and wait function figure 5 ? protection timing diagrams i out v out t clamp vcc-vin t min. pulse iout t min. pulse wait vcc vcc - v clamp see a pplication notes to evaluate power dissipation 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 6
ir3313(s)pbf www.irf.com 7 all curves are typical characteristics. operation in ha tched 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-vi n, supply voltage (v) tj, junction temperature (c) figure 7 ? icc off (a) vs tj (c) figure 6 ? icc (ma) vs vcc-vin (v) 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)
ir3313(s)pbf www.irf.com 8 0 10 20 30 -50 0 50 100 150 60c/w 35c/w figure 10 ? error (+/- a) vs i load (a) rifb, feedback resistor ( ? ) error (+/-a) 10 100 100 1000 10000 figure 11 ? ids (a) vs rifb ( ? ) isd, over current shutdown (a) i load, load current (a) figure 12 ? max. iout (a) vs tamb. (c) max. output current (a) tamb., ambient temperature (c) figure 13 ? max. iout (a) vs inductance (h) inductance (h) max. output current (a) 0 2 4 6 8 10 12 14 16 18 0 20406080100 with calibration spec. max. 10 100 10 100 1000
ir3313(s)pbf www.irf.com 9 0.01 0.1 1 10 100 1e-4 1e-3 1e-2 1e-1 1e+0 1e+1 1e+2 50c/w free air 5c/w 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)/ rth=60c/w figure 15 ? transient thermal impedance (c/w) vs time (s)
ir3313(s)pbf case outline 5 leads - d2pak ? automotive q100 pbf msl1 qualified www.irf.com 10
ir3313(s)pbf tape & reel 5 lead - d2pak (smd220) www.irf.com 11
ir3313(s)pbf www.irf.com 12 case outline 5 leads ? to220 ? automotive q100 pbf qualified ir world headquarters: 233 kansas st., el segundo, california 90245 tel: (310) 252-7105 data and specifications subject to change without notice. d2pak is msl1 qualified. this product has been designed and qualified for the automotive [q100] market. 08/03/2010

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