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ir43x1 1 www.irf.com ? 20 13 international rectifier features ? integrated analog input class d audio amplifier in a small 5 x 6 mm pqfn package ? high peak music power output ? no mechanical heatsink required ? split or single power supply ? differential or single - ended input ? over - current , over - temperature and under voltage protection s with self - reset function ? start and stop click noise reduction ? high noise immunity ? rohs compliant typical applications ? home theatre systems ? docking station audio systems ? pc audio systems ? musical instruments ? karaoke amplifiers ? game consoles ? powered speaker systems ? general purpose audio power amplifiers product summary topology half - bridge, full - bridge *ir4301 output power (typical , thd+n=10% ) 160 w/ 4 120 w/ 3 *ir43 2 1 output power (typical , thd+n=10% ) 90 w/ 4 135 w/ 2 *ir4311 output power (typical , thd+n=10% ) 35 w/ 4 45 w/ 3 *residual noise (aes - 17, ihf - a, typical) 250 vrms *thd+n (1khz, 1w, 4 , typical) 0.02 % * in typical application example package 5x6mm pqfn22 typical connection -b +b speaker vb vaa vss in+ in- comp csd com vn vs vp vcc csh gnd vcc input
ir43x1 2 www.irf.com ? 20 13 international rectifier table of contents page typical connection diagram 1 qualification information 4 absolute maximum ratings 5 recommended operating conditions 7 electrical characteristics 8 functional block diagram 1 1 input/output pin equivalent circuit diagram 1 2 lead definitions 1 3 lead assignments 1 3 package details 1 4 part marking information 1 5 ordering information 1 5
ir43x1 3 www.irf.com ? 20 13 international rectifier description the ir43x1 integrates pwm controller and digital audio mosfets forming a high performance class d audio amplifier. as a result of fully optimized mosfets co-packed with a dedicated controller ic, the ir43x1operates without mechanical heatsink attached in a typical music playback usage. high voltage ratings and noise immunity in the controller ic ensures reliable operation over various environmental conditions. a small 5x6 mm pqfn package enhances the benefit of smaller size of class d topology. the ir43x1 are a lead-free, rohs compliant. typical connection diagram 1. inverting amplifier 2. differential amplifier -b +b speaker vb vaa vss in+ in- comp csd com vn vs vp vcc csh gnd vcc input -b +b speaker vb vaa vss in+ in- comp csd com vn vs vp vcc csh gnd vcc in- in+
ir43x1 4 www.irf.com ? 20 13 international rectifier 3. single power supply qualification information ? qualification level industrial ?? comments: this family of ics has passed jedecs industrial qualification. irs consumer qualification level is granted by extension of the higher industrial level. moisture sensitivity level msl2 (per ipc/jedec j - std - 020c) esd machine model class b (per jedec standard eia/jesd22 - a115) human body model class 2 (per eia/jedec standard jesd22 - a114) ic latch - up test class i, level a (per jesd78) rohs compliant yes ? qualification standards can be found at international rectifiers web site http://www.irf.com/ ?? higher qualification ratings may be available should the user have such requirements. please contact your international rectifier sales representative for further information. ??? higher msl ratings may be available for the specific package types listed here. please contact your international rectifier sales representative for further information. vb vaa vss in+ in- comp csd com vn vs vp vcc csh gnd vcc virtual gnd +vbus speaker in- in+
ir43x1 5 www.irf.com ? 20 13 international rectifier absolute maximum ratings absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. all voltage parameters are absolute voltages referenced to com=vn; all currents are defined positive into any lead. the thermal resistance and power dissipation ratings are measured under board mounted and still air conditions. symbol definition min max units v p vp pin positive power supply rail voltage ir4301 - 80 v ir43 2 1 - 6 0 ir4311 - 40 v b high side floating supply voltage ir4301 - 0.3 9 5 ir432 1 - 0.3 75 ir4311 - 0.3 55 v csh csh pin input voltage v s - 0.3 v b +0.3 v s high side floating supply voltage ?? v b - 15 v b +0.3 v cc low side supply voltage ?? - 0.3 15 v aa floating input positive supply voltage ?? ir4301 - 0.3 100 ir432 1 - 0.3 70 ir4311 - 0.3 50 v ss floating input negative supply voltage ?? - 1 (see i ssz ) gnd +0.3 v in+ floating input supply ground voltage v ss - 0.3 v aa +0.3 i in input current between in - and in+ pins ? - 3 ma v csd csd pin input voltage v ss - 0.3 v aa +0.3 v v comp comp pin input voltage v ss - 0.3 v aa +0.3 i aaz floating input supply zener clamp current ?? - 20 ma i ssz floating input negative supply zener clamp current ?? - 20 i ccz low side supply zener clamp current ??? - 20 i bsz floating supply zener clamp current ??? - 20 d v s /dt allowable vs voltage slew rate - 50 v/ns dv ss /dt allowable vss voltage slew rate ??? - 50 v/ms id @ 25oc continuous output current, from vp to vs, vs to vn, v cc =10v, v b - v s =10v ir4301 - 6.5 a ir43 2 1 - 7.0 ir4311 - 3.6 id @ 100oc continuous output current, from vp to vs, vs to vn, v cc =10v, v b - v s =10v ir4301 - 5.4 ir432 1 - 5. 8 ir4311 - 2.9 i dm pulsed output current, from vp to vs, vs to vn, v cc =10v, v b - v s =10v ????? ir4301 - 26 ir43 2 1 - 2 8 ir4311 - 15 pd power dissipation ???? @ t c = 25 ? c ir4301 - 31 w ir432 1 - 31 ir4311 - 9
ir43x1 6 www.irf.com ? 20 13 international rectifier rth jc thermal resistance, junction to case ???? ir4301 - 4 ? c/w ir432 1 - 4 ir4311 - 13 t jic control ic junction temperature - 150 ? c t jfet fet junction temperature - 150 t s storage temperature - 55 150 t l lead temperature (soldering, 10 seconds) - 300 ? in - and in+ contain clamping diodes between the two pins. ?? v aa - v ss , vcc - com and vb - vs contain internal shunt zener diodes. please note that the voltage ratings of these can be limited by the clamping current. ??? for the rising and falling edges of step signal of 10v. vss=15v to 200v. ???? per mosfet ????? repetitive rating, pulse width limited by max. junction temperature
ir43x1 7 www.irf.com ? 20 13 international rectifier recommended operating conditions for proper operation, the device should be used within the recommended conditions below. the vss and vs offset ratings are tested with supplies biased at com=vn, v aa -v ss =9.6v, v cc =12v and v b -v s =12v. all voltage parameters are absolute voltages referenced to com; all currents are defined positive into any lead. symbol definition min. max. units v p positive power supply rail voltage, without heatsink ir4301 - 62 v ir432 1 - 50 ir4311 - 32 positive pow er supply rail voltage, with heatsink ir4301 - 68 ir432 1 - 50 ir4311 - 32 v b high side floating supply absolute voltage v s +10 v s +1 4 v s high side floating supply offset voltage ir4301 ? 80 ir432 1 ? 6 0 ir4311 ? 40 v aa floating input positive supply voltage ?? v ss + 4.5 v ss + 15 v ss floating input negative supply voltage ?? ir4301 0 80 ir432 1 0 6 0 ir4311 0 40 i aaz floating input supply zener clamp current ?? 1 15 ma i ssz floating input negative supply zener clamp current ?? 1 15 v cc low side fixed supply voltage 10 1 5 v v ic in - and in+ pins common mode input voltage v ss + 2 v aa - 2 v in - inverting input voltage v in+ - 0.5 v in+ +0.5 v csd csd pin input voltage v ss v aa v comp comp pin input voltage v ss v aa c comp comp pin phase compensation capacitor to gnd 1 - nf v csh csh pin input voltage v s v b v dvss/dt allowable vss voltage slew rate upon power - up ??? - 50 v/ms f sw switching frequency - 500 khz t a ambient temperature - 40 100 ? c ? logic operational for vs equal to C 5v to +80v. logic state held for vs equal to C 5v to C vbs. ?? gnd input voltage is limited by i aaz and i ssz. ??? vss ramps up from 0v to 70v.
ir43x1 8 www.irf.com ? 20 13 international rectifier electrical characteristics v cc ,v bs = 12 v, v ss =v s =v n =com=0v, v aa =9.6v and t a =25 ? c unless otherwise specified. symbol definition min typ max units test conditions low side supply uv cc+ vcc supply uvlo positive threshold 8.4 8.9 9.4 v uv cc - vcc supply uvlo negative threshold 8.2 8.7 9.2 v uv cchys uv cc hysteresis - 0.2 - v i qcc low side quiescent current - - 3 ma i cc low side operating current - 5 - ma f=400khz v clampl low side zener diode clamp voltage 14.7 15.3 16.2 v i cc =5ma high side floating supply uv bs+ high side well uvlo positive threshold 8.0 8.5 9.0 v uv bs - high side well uvlo negative threshold 7.8 8.3 8.8 v uv bshys uv bs hysteresis - 0.2 - v i qbs high side quiescent current - - 2.4 ma v clamph high side zener diode clamp voltage 14.7 15.3 16.2 v i bs =5ma floating input supply uv aa+ va+, va - floating supply uvlo positive threshold from v ss 8.2 8.7 9.2 v v ss =0v, gnd pin floating uv aa - va+, va - floating supply uvlo negative threshold from v ss 7.7 8.2 8.7 v v ss =0v, gnd pin floating uv aahys uv aa hysteresis - 0.5 - v v ss =0v, gnd pin floating i qaa0 floating input positive quiescent supply current - 1 2 ma v aa =9.6v, v ss =0v, v csd =vss i qaa1 floating input positive quiescent supply current - 2 3 ma v aa =9.6v, v ss =0v, v csd =vaa i qaa2 floating input positive quiescent supply current - 2.5 4 ma v aa =9.6v, v ss =0v, v csd =gnd i lkm floating input side to low side leakage current - - 50 a v aa =v ss =v gnd = 100v v clampm+ v aa floating supply zener diode clamp voltage, positive, with respect to gnd 4.9 5.1 5.4 v i aa =5ma, i ss =5ma, v gnd =0v, v csd =vss v clampm - v ss floating supply zener diode clamp voltage, negative, with respect to gnd - 5.4 - 5.1 - 4.9 v i aa =5ma, i ss =5ma, v gnd =0v, v csd =vss
ir43x1 9 www.irf.com ? 20 13 international rectifier electrical characteristics (contd) v cc ,v bs = 12 v, v ss =v s =v n =com=0v, v aa =9.6v and t a =25 c unless otherwise specified. symbol definition min typ max units test conditions audio input ( v gnd =0, v aa =4.8v, v ss = - 4.8v) v os input offset voltage - 18 0 18 mv i bin input bias current - - 40 na g bw small signal bandwidth - 9 - mhz c comp = 1 nf , rf= 0 g m ota transconductance - 10 - ms v in+ =0v, v in - = 10 mv g v ota gain 50 - - db pwm vth pwm pwm comparator threshold in comp - (v aa - v ss )/2 - v f ota comp pin star - up local oscillation frequency 0.7 1.0 1.5 mhz v csd =gn d t on comp to vs rising edge propagation delay - 370 - ns toff comp to vs trailing edge propagation delay - 320 - ns dt deadtime: low - side turn - off to high - side turn - on (dt lo - ho ) & high - side turn - off to low - side turn - on (dt ho - lo ) - 50 - ns vp=30v, vn= - 30v power mosfet (fet1, fet2) (ir4301) v (br)dss drain - to - source breakdown voltage 80 - - v v gs =0v , i d =250ua r ds(on) fet on resistance - 39 50 m v gs =10v, i d =3.3a qg total gate charge - 7.3 - nc i lk0 vp leakage current, vs=vn - - 20 a v p =80v, v csd =vss i lk1 vp leakage current, vs=vp - - 50 a power mosfet (fet1, fet2) (ir43 2 1) v (br)dss drain - to - source breakdown voltage 6 0 - - v v gs =0v , i d =250ua r ds(on) fet on resistance - 30 40 m v gs =10v, i d =3.3 a qg total gate charge - 8.3 - nc i lk0 vp leakage current, vs=vn - - 20 a v p = 6 0v, v csd =vss i lk1 vp leakage current, vs=vp - - 50 a power mosfet (fet1, fet2) (ir4311) v (br)dss drain - to - source breakdown voltage 40 - - v v gs =0v , i d =250ua r ds(on) fet on resistance - 44 56 m v gs =10v , i d =3.6a qg total gate charge - 4.5 - nc i lk0 vp leakage current, vs=vn - - 20 a v p =4 0v, v csd =vss i lk1 vp leakage current, vs=vp - - 50 a
ir43x1 10 www.irf.com ? 20 13 international rectifier electrical characteristics (contd) v cc ,v bs = 12 v, v ss =v s =v n =com=0v, v aa =9.6v and t a =25 c unless otherwise specified. symbol definition min typ max units test conditions protection i ocp positive oc threshold - 16 - a i ocn negative oc threshold - - 16 - a vth1 csd pin shutdown release threshold 0.62x v aa 0.7 0 xv aa 0.78x v aa v vth2 csd pin self - reset threshold 0.26x v aa 0.3 0 xv aa 0.34x v aa v i csd+ csd pin discharge current 70 100 130 a v csd = v ss +4.8v i csd - csd pin charge current 70 100 130 a v csd = v ss +4.8v t sd shutdown propagation delay from v s < vth1 to shutdown - - 250 ns comp = v ss t ocp propagation delay time from i o > i ocp to shutdown - - 500 ns comp = v ss t ocn propagation delay time from i o < i ocn to shutdown - - 500 ns comp = v ss t sd over temperature shutdown threshold in controller ic - 105 - oc t sdhys over temperature shutdown threshold hysteresis - 7 - oc
ir43x1 11 www.irf.com ? 20 13 international rectifier functional bock diagram 47 g d s g d s vp vb vs com vn vcc gnd in- in+ comp vss csd vaa csh
ir43x1 12 www.irf.com ? 20 13 international rectifier input/output pin equivalent circuit diagrams esd diode esd diode vaa vss in- in+ 5v zener diode 200 v com gnd 5v zener diode esd diode esd diode vb ho vs esd diode esd diode lo com 200 v 15 v clamp v cc vcc 15 v clamp 10k g d s g d s csh vp vn esd diode esd diode vaa comp or csd vss esd diode esd diode v cc dt, vref or ocset com
ir43x1 13 www.irf.com ? 20 13 international rectifier lead definitions pin # symbol description 1 vaa floating input positive supply 2 gnd gnd for internal shunt zener diodes to vaa and vss 3 in+ analog non - inverting input 4 in - analog inverting input 5 comp pwm comparator input 6 csd shutdown timing capacitor / shutdown input 7 vss floating input negative supply 8 vcc low side supply 9 com low side supply return , internally connected to vn 10 vn negative power supply, internally connected to com externally 11 vs pwm output 12 vp positive power supply 13 vb high side floating supply, referenced to vs 14 csh high side over current sensing input, referenced to vs 15 sub internally connected to com (do not use as supply return) lead assignments (top view) 12 11 10 15 9 8 7 13 14 6 5 4 3 2 1
ir43x1 14 www.irf.com ? 20 13 international rectifier package details
ir43x1 15 www.irf.com ? 20 13 international rectifier board mounting information refer to application note an-1170 audio power quad flat no-lead (pqfn) board mounting application note. part marking information ordering information base part number package type standard pack complete part number form quantity ir4301m pqfn22 5x6mm tape and reel 4000 ir4301mtrpbf ir43 2 1m pqfn22 5x6mm tape and reel 4000 ir43 2 1mtrpbf IR4311M pqfn22 5x6mm tape and reel 4000 IR4311Mtrpbf the information provided in this document is believed to be accurate and reliable. however, international rectifier assumes no responsibility for the consequences of the use of this information. international rectifier assumes no responsibility for any infringement of patents or of other rights of t hird parties which may result from the use of this information. no license is granted by implication or otherwise under any patent or patent rights of international rectifier. the specifications mentioned in this document are subject to change with out no tice. this document supersedes and replaces all information previously supplied. for technical support, please contact irs technical assistance center http://www.irf.com/technical - info/ world headquar ters: 101 n. sepulveda blvd., el segundo, california 90245 tel: (310) 252 - 7105

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