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ir43x2 1 www.irf.com ? 2013 international rectifier apr 3, 2013 features ? 2 channel integrated analog input class d audio amplifier in a small 7 x 7 mm pqfn44 package ? no mechanical heatsink required ? high peak music power output ? split or single power supply ? differential or single-ended input ? over-current, over-temperature and under voltage protections with self-reset feature ? start/stop click noise reduction ? clip and fault reporting outputs ? 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 130 w/ 4 ? ir4302 output power (typical, thd+n=10%) 100 w/ 3 ? 100 w/ 4 ? ir4322 output power (typical, thd+n=10%) 100 w/ 2 ? 35 w/ 4 ? ir4312 output power (typical, thd+n=10%) 40 w/ 3 ? *residual noise (aes-17, ihf-a, typical) 250 vrms *thd+n (1khz, 1w, 4 ? , typical) 0.02 % * in typical application example package 7x7mm pqfn44l typical connection downloaded from: http:///
ir43x2 2 www.irf.com ? 2013 international rectifier apr 3, 2013 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 11 input/output pin equivalent circuit diagram 12 lead definitions 14 lead assignments 15 package details 16 part marking information 17 ordering information 17 downloaded from: http:///
ir43x2 3 www.irf.com ? 2013 international rectifier apr 3, 2013 description the ir43x2 integrates 2 channel pwm controller and di gital audio mosfets forming a high performance class d audio amplifier. as a result of fully optimized mosfet s co-packed with a dedicated controller ic, the ir43x2 operates without mechanical heatsink attached in a typi cal music playback usage. high voltage ratings and noise immunity in the controller ic ensures reliable operatio n over various environmental conditions. a small 7x7 mm pqfn package enhances the benefit of smaller size of clas s d topology. the ir43x2 series is a lead-free, rohs compliant. typical connection diagram 1. inverting amplifier 2. differential amplifier downloaded from: http:///
ir43x2 4 www.irf.com ? 2013 international rectifier apr 3, 2013 3. single power supply (inverting amplifier) qualification information ? industrial ?? qualification level 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) machine model class a (per jedec standard eia/jesd22-a115) IR4302M ir4322m class 1b (per eia/jedec standard jesd22-a114) esd human body model ir4312m class 1a (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 repres entative for furt her information. ??? higher msl ratings may be available for the specific pack age types listed here. please contact your international rectifier sales representativ e for further information. downloaded from: http:///
ir43x2 5 www.irf.com ? 2013 international rectifier apr 3, 2013 absolute maximum ratings absolute maximum ratings indicate sustained limits bey ond which damage to the device may occur. all voltage parameters are absolute voltages refer enced to com=vn1=vn2; all currents ar e defined positive into any lead. the thermal resistance and power dissipation rati ngs are measured under board mounted and still air conditions. symbol definition min max units ir4302 - 80 ir4322 - 60 v pn positive power supply rail voltage, n=1-2 ir4312 - 40 ir4302 -0.3 95 ir4322 -0.3 75 v bn high side floating supply voltage ir4312 -0.3 55 v sn high side floating supply voltage ?? , n=1-2 v bn -15 v bn +0.3 v cshn csh pin input voltage, n=1-2 v sn -0.3 v bn +0.3 v cc low side supply voltage ?? -0.3 15 ir4302 -0.3 100 ir4322 -0.3 70 v aa floating input positive supply voltage ?? ir4312 -0.3 50 v ss floating input negative supply voltage ?? -1 (see i ssz ) gnd +0.3 v in+n floating input supply ground voltage , n=1-2 v ss -0.3 v aa +0.3 v i inn input current between in- and in+ pins ? , n=1-2 - 3 ma v csd csd pin input voltage v ss -0.3 v aa +0.3 v compn comp pin input voltage, n=1-2 v ss -0.3 v aa +0.3 v clip clip pin input voltage gnd -0.3 v aa +0.3 v i clip clip pin sinking current - 5 ma v fault fault pin input voltage gnd -0.3 v aa +0.3 v i fault fault pin sinking current - 5 i aaz floating input supply zener clamp current ?? - 20 i ssz floating input negative supply zener clamp current ?? - 20 i ccz low side supply zener clamp current ??? - 20 i bszn floatin g su pp l y zener clam p current ??? , n=1-2 - 20 ma dv sn /dt allowable vs voltage slew rate, n=1-2 - 50 v/ns dv ss /dt allowable vss voltage slew rate ??? - 50 v/ms ir4302 6.5 ir4322 7.0 id @ 25oc continuous output current, from vpn to vsn, vsn to vnn, v cc =10v, v bn -v sn =10v ir4312 - 3.6 ir4302 5.4 ir4322 5.8 id @ 100oc continuous output current, from vpn to vsn, vsn to vnn, v cc =10v, v bn -v sn =10v ir4312 - 2.9 ir4302 26 ir4322 28 i dm pulsed output current, fr om vpn to vsn, vsn to vnn, v cc =10v, v bn -v sn =10v ????? ir4312 - 15 a downloaded from: http:///
ir43x2 6 www.irf.com ? 2013 international rectifier apr 3, 2013 ir4302 25 ir4322 25 pd power dissipation ???? @ t c = 25 ? c ir4312 - 8 w ir4302 5 ir4322 5 rth jc thermal resistance, junction to ambient ???? ir4312 - - 14 ? c/w t jic control ic junction temperature - 150 t jfet fet junction temperature - 150 t s storage temperature -55 150 t l lead temperature (soldering, 10 seconds) - 300 ? c ? in- and in+ contain clamping diodes between the two pins. ?? v aa -v ss , vcc-com and vbn-vsn contain internal s hunt zener diodes. 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 downloaded from: http:///
ir43x2 7 www.irf.com ? 2013 international rectifier apr 3, 2013 recommended operating conditions for proper operation, the device should be used wi thin the recommended conditions below. the vss and vsn offset ratings are tested with supplies biased at com=vn1=vn2, v aa -v ss =9.6v, v cc =12v and v bn -v sn =12v. all voltage parameters are absolute voltages referenced to com; all currents are defined positive into any lead. symbol definition min max units ir4302 - 46 ir4322 - 46 positive power supply voltage, n=1-2, without heatsink ir4312 - 32 ir4302 - 62 ir4322 - 50 v pn positive power supply voltage, n=1-2, with heatsink ir4312 - 32 v bn high side floating supply absolute voltage, n=1-2 v sn +10 v sn +14 ir4302 ? 80 ir4322 ? 60 v sn high side floating supply offset voltage, n=1-2 ir4312 ? 40 v aa floating input positive supply voltage ?? v ss + 4.5 v ss + 15 ir4302 0 80 ir4322 0 60 v ss floating input negative supply voltage ?? ir4312 0 40 v i aaz floating input supply zener clamp current ?? 1 15 i ssz floating input negative supply zener clamp current ?? 1 15 ma v cc low side fixed supply voltage 10 15 v ic in- and in+ pins common mode input voltage v ss + 2 v aa - 2 v in-n inverting input voltage, n=1-2 v in+ -0.5 v in+ +0.5 v csd csd pin input voltage v ss v aa v compn comp pin input voltage, n=1-2 v ss v aa v c compn comp pin phase compensation capacitor to gnd , n=1-2 1 - nf v cshn csh pin input voltage, n=1-2 v sn v bn 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 C5v to +80v. logic state held for vs equal to C5v to Cv bs . ?? gnd input voltage is limited by i aaz and i ssz . ??? vss ramps up from 0v to 70v. downloaded from: http:///
ir43x2 8 www.irf.com ? 2013 international rectifier apr 3, 2013 electrical characteristics v cc ,v bs = 12 v, v ss =v s1 =v s2 =v n1 =v n2 =com=0v, v aa =9.6v and t a =25 ? c unless otherwise specified. symbol definition min typ max units t est 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 supply current - 10 - ma f=400khz v clampl n low side zener diode clamp voltage, n=1-2 14.7 15.3 16.2 v i cc =5ma high side floating supply uv bs+n high side well uvlo positive threshold, n=1-2 8.0 8.5 9.0 v uv bs-n high side well uvlo negative threshold, n=1-2 7.8 8.3 8.8 v uv bshysn uv bs hysteresis, n=1-2 - 0.2 - v i qbsn high side quiescent current, n=1-2 - - 2.4 ma v clamphn high side zener diode clamp voltage, n=1-2 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 - 1.5 3 ma v aa =9.6v, v ss =0v, v csd =vss i qaa1 floating input positive quiescent supply current - 4 6 ma v aa =9.6v, v ss =0v, v csd =vaa i qaa2 floating input positive quiescent supply current - 5 7.5 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 downloaded from: http:///
ir43x2 9 www.irf.com ? 2013 international rectifier apr 3, 2013 electrical characteristics (contd) v cc ,v bs = 12 v, v ss =v s1 =v s2 =v n1 =v n2 =com=0v, v aa =9.6v and t a =25 ? c unless otherwise specified. symbol definition min typ max units t est conditions audio input (v gnd =0, v aa =4.8v, v ss =-4.8v) v osn input offset voltage, n=1-2 -18 0 18 mv i binn input bias current, n=1-2 - - 40 na gbwn small signal bandwidth in ota, n=1-2 - 9 - mhz c comp =1nf, rf=0 g mn ota transconductance, n=1-2 - 10 - ms v in+ =0v, v in- =10mv g vn ota gain, n=1-2 50 - - db pwm vth pwm pwm comparator threshold in comp - (v aa - v ss )/2 - v f otan comp pin star-up local oscillation frequency, n=1-2 0.7 1.0 1.5 mhz v csd =gnd ton_n comp to vs rising edge propagation delay, n=1-2 - 370 - ns toff_n comp to vs trailing edge propagation delay, n=1-2 - 320 - ns dtn 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 ) , n=1-2 - 50 - ns vp=30v, vn=-30v, power mosfet (fet1, fet2, fet3, fet4) (ir4302) 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 i lk1 vp leakage current, vs=vp - - 50 a v p =80v, v csd =vss power mosfet (fet1, fet2, fet3, fet4) (ir4322) v (br)dss drain-to-source breakdown voltage 60 - - v v gs =0v, i d =250ua r ds(on) fet on resistance - 30 40 m ? v gs =10v, i d =3.3a qg total gate charge - 8.3 - nc i lk0 vp leakage current, vs=vn - - 20 a i lk1 vp leakage current, vs=vp - - 50 a v p =60v, v csd =vss power mosfet (fet1, fet2, fet3, fet4) (ir4312) 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 ? i d =3.6a qg total gate charge - 4.5 - nc v gs =10v i lk0 vp leakage current, vs=vn - - 20 a v p =40v, v csd =vss i lk1 vp leakage current, vs=vp - - 50 a downloaded from: http:///
ir43x2 10 www.irf.com ? 2013 international rectifier apr 3, 2013 electrical characteristics (contd) v cc ,v bs = 12 v, v ss =v s1 =v s2 =v n1 =v n2 =com=0v, v aa =9.6v and t a =25 ? c unless otherwise specified. symbol definition min typ max units t est conditions protection i ocpn over current detection positive threshold, n=1-2 - 16 - a i ocnn over current detection negatitive threshold, n=1-2 - -16 - a vth1 csd pin shutdown release threshold 0.62xv aa 0.70xv aa 0.78xv aa v vth2 csd pin self reset threshold 0.26xv aa 0.30xv aa 0.34xv 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 sdn shutdown propagation delay from v s < vth1 to shutdown, n=1-2 - - 250 ns comp = v ss t ocpn chn propagation delay time from i on > i ocpn to shutdown, n=1-2 - - 500 ns comp = v ss t ocnn chn propagation delay time from i on < i ocnn to shutdown, n=1-2 - - 500 ns comp = v ss vth+ clip clip detection positive threshold in comp 0.85xv aa 0.90xv aa 0.95xv aa v vth- clip clip detection negative threshold in comp 0.05xv aa 0.10xv aa 0.15xv aa v t clip clipping detection propagation delay - 40 - ns t clipmin clipping detection minimum output duration - 3 - us t sd over temperature shutdown threshold in controller ic - 105 - oc t sdhys over temperature shutdown threshold hysteresis - 7 - oc downloaded from: http:///
ir43x2 11 www.irf.com ? 2013 international rectifier apr 3, 2013 functional bock diagram downloaded from: http:///
ir43x2 12 www.irf.com ? 2013 international rectifier apr 3, 2013 input/output pin equivalent circuit diagrams esd diode esd diode vbn hon vsn esd diode esd diode lon com 200 v 15 v clamp v cc vcc 15 v clamp com2 10k g d s g d s cshn vpn vnn downloaded from: http:///
ir43x2 13 www.irf.com ? 2013 international rectifier apr 3, 2013 input/output pin equivalent circuit diagrams (contd) esd diode esd diode vaa csd vss charge discharge downloaded from: http:///
ir43x2 14 www.irf.com ? 2013 international rectifier apr 3, 2013 lead definitions pin # symbol description 1 clip clipping detection output, open drain, referenced to gnd 2 comp2 ch2 pwm comparator input 3 in-2 ch2 analog inverting input 4 in+2 ch2 analog non-inverting input 5 gnd gnd for internal shunt zener diodes to vaa and vss 6 vss floating input negative supply 7 vaa floating input positive supply 8 in+1 ch1 analog non-inverting input 9 in-1 ch1 analog inverting input 10 comp1 ch1 pwm comparator input 11 csd shutdown timing capacitor / shutdown input 12 fault fault reporting output, open drain, referenced to gnd 13 nc 14 vcc low side supply 15 com low side supply return, internally connected to pin 31 16 csh1 ch1 high side over current sensing input, referenced to vs1 17 vb1 ch1 high side floating supply 18 vs1 ch1 pwm output, internally connected to pin 20 19 vp1 ch1 positive power supply 20 vs1 ch1 pwm output 21 vn1 ch1 negative power supply , connect to com externally 22 vn2 ch2 negative power supply , connect to com externally 23 vs2 ch2 pwm output, internally connected to pin 25 24 vp2 ch2 positive power supply 25 vs2 ch2 pwm output 26 vb2 ch2 high side floating supply 27 csh2 ch2 high side over current sensing input, referenced to vs2 28 com low side supply return, internally connected to pin 31 29 nc 30 nc 31 com low side supply return downloaded from: http:///
ir43x2 15 www.irf.com ? 2013 international rectifier apr 3, 2013 lead assignments (top view) downloaded from: http:///
ir43x2 16 www.irf.com ? 2013 international rectifier apr 3, 2013 package details downloaded from: http:///
ir43x2 17 www.irf.com ? 2013 international rectifier apr 3, 2013 board mounting information refer to application note an-1170 audio power quad fl at no-lead (pqfn) board mounting application note. part marking information ordering information standard pack base part number package type form quantity complete part number IR4302M pqfn44 7x7mm tape and reel 3000 IR4302Mtrpbf ir4322m pqfn44 7x7mm tape and reel 3000 ir4322mtrpbf ir4312m pqfn44 7x7mm tape and reel 3000 ir4312mtrpbf the information provided in this document is believe d 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 right s of third parties which may result from the use of this information. no lic ense is granted by implication or otherwise under any patent or patent rights of internatio nal rectifier. the sp ecifications mentioned in this document are subject to change without notice. this document su persedes and replaces all information previously supplied. for technical support, please contact irs technical assistance center http://www.irf.com/technical-info/ world headquarters: 101 n. sepulveda blvd., el segundo, california 90245 tel: (310) 252-7105 downloaded from: http:///

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