UTC7217 li near i ntegrated circui t youw ang electronics co. ltd 1 5.8w audio power amplifier description the UTC7217 is a monolithic integrated circuit designed for car stereo, car radio output. features *output power: pout= 5.8w(typ.), at vcc=13.2v, rl=4 w ,thd=10% pout= 9.2w(typ.), at vcc=13.2v, rl=2 w ,thd=10% *low distortion thd=0.15% at pout=1w,gv=55db thd=0.07% at pout=1w,gv=44db *wide operating supply voltage: vcc=9v~18v *excessive supply voltage protection circuit *current limiting for short circuit protection *thermal shut-down circuit sip-10h equivalent circuit 6 7 5 4 8 9 10 1 2 3 decoupling input n.f. phase compensation phase compensation gnd output vcc boot strap
UTC7217 li near i ntegrated circui t youw ang electronics co. ltd 2 absolute maximum ratings (ta=25 c) characteristic symbol value unit operating supply voltage vcc 18 v quiescent supply voltage v ccq 25 v peak output current iop 4.5 a power dissipation p d 7.5 w operating temperature topr -20 to +75 c storage temperature tstg -55 to 155 c electrical characteristics (ta=25 c ,vcc=12.5v,rl=4 w ,rg=600 w ,rf=82 w ,f=1khz, unless otherwise specified) characteristic symbol test condition min typ. max unit vcc=12.5v 60 ma quiescent current i ccq vcc=18v 80 ma thd=10% 4.5 5 w vcc=13.2v, thd=10% 5.8 w output power pout vcc=13.2v, thd=10%,rl=2 w 9.2 w maximum output power pom vcc=13.2v 9.5 w votage gain (note) gv vin=2.45mvrms 52 58 db input resistance rin vout=2vrms 30 40 k w output noise voltage vno rg=10k w ,bw=50~20khz 3.5 mv note: in regard to value of voltage gain (closed loop voltage, it is possible to classified. test and application circuit UTC7217 ~ input signal rg 50pf 1 f/ 10v 20pf 0.068 f 47 f/ 10v 100 f/ 10v 0.068 f 50pf 470 f/ 10v 47 f/ 10v rf 220 f/ 6.3v rl 4 1 5 67 3 9 8 10 2 c1 vcc note: metal tab is connected to gnd level or non connection. c7 and c11 are polyester film capc itor.
UTC7217 li near i ntegrated circui t youw ang electronics co. ltd 3 typical characteristics performance 0.01 0.1 1 10 0.01 0.1 1 10 f=10khz f=1khz f=100hz vcc=13.2v rl=4 ? rf=82 ? output power, pout(w) total harmonic distortion, thd (%) thd vs. pout frequency ,f (khz) 10 1 10 2 10 3 10 4 10 5 -20 -12 -4 4 12 0 4 8 10 16 20 -24 c1=470 f c1=1000 f vcc=13.2v rl=4 ? total harmonic distortion, thd (%) response (db) thd ,response vs. frequency pout=3w 0.01 0.1 1 0 output power, pout(w) 0.01 0.1 1 10 output power, pout(w) 0.01 0.1 1 10 total harmonic distortion, thd (%) 0.01 0.1 1 10 total harmonic distortion, thd (%) thd vs. pout thd vs. pout vcc=13.2v rl=4 ? f=1khz rf=330 ? 150 ? 82 ? 0 ? rl=16 ? 8 ? 4 ? 2 ? vcc=13.2v rf=82 ? f=1khz ambient temperature ,ta( ) quiescent output voltage quiescent current 8 12141618 2 4 6 8 10 0 20 40 60 80 100 10 vio i ccq quiescent current 0 40 60 80 100 0 quiescent output voltage 2 4 6 8 10 -20 0 20 40 60 80 20 vio i ccq iccq,vio vs. vcc iccq,vio vs. ta vcc=13.2v
UTC7217 li near i ntegrated circui t youw ang electronics co. ltd 4 0 ambient temperature ,ta( ) power dissipation, pd(w) 0 2 4 6 8 10 3 0 quiescent output voltage 2 4 6 8 10 0 40 80 120 160 180 pd vs. pout pd vs. ta vcc=13.2v 6 9 12 15 output power, pout(w) f=1khz rl=4 ? rl=2 ? vcc=16v vcc=13.2v vcc=18v vcc=16v vcc=13.2v 1 2 3 1 infinite heat sink 2 64cm 2 x2mm al heat sink 3 30cm 2 x2mm al heat sink
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