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ETK4871 etek microelectronics ???? ic ETK4871 ?????? ic 5v ?1?? 3 ? ???3w ??10 ?vdd ???? ETK4871 ???? ???i q ?0.6 a ETK4871 ??????? ic ?2.0v 5.5v ??? ? z ??? z ? z ? z ?? sop8(ETK4871m) sop8-pp (ETK4871mr) dip8(ETK4871p) msop8(ETK4871u) ?ETK4871 ??? sop8 ?????sop8?pp ???? ???r ?? shutdown byp ass +i n -in vo 1 vd d gn d vo 2 1 2 3 45 6 7 8 et k4871 sop8(ETK4871m) sop8-pp (ETK4871mr) dip8(ETK4871p) msop8(ETK4871u) ?? ??????? rev 2.1 2008-02-25 1/7 www.datasheet.co.kr datasheet pdf - http://www..net/
ETK4871 ?? ? ? 1 shutdown i ???? 2 bypass i ??? 3 in i ? 4 in i ? 5 vo1 o 1 6 vdd power ?? 7 gnd power ??? 8 vo2 o 2 ? i o power ? ? ETK4871 ? 2 ?? 2 ???? ???r f r j ? in?in ?????? ???????????????? ETK4871 ( ) rf/ri2a vd ? = ???????????????????? ??4 ? ????????????? ( ) ( ) l 2 2 dd dmax r2 /v4p ?= 5v ?8 ???? 625mw ???? ( ) jaa jmax dmax / t-tp = ?sop ? ja =140c/w dip? ja =107c/w msop ? ja =210c/w ?? ???????ETK4871 0.1f ???????? psrr ???? bypass ????? psrr c b ????psrr ? rev 2.1 2008-02-25 2/7 www.datasheet.co.kr datasheet pdf - http://www..net/
ETK4871 rev 2.1 2008-02-25 3/7 ?? ??????ETK4871 ?????????????????? ??????? vdd ETK4871 ??????????? vdd ETK4871 ??????????0.6a ?? ???????? ??????????????????? ?k?????????????? ?ETK4871 ??ETK4871 ???1 ? (ta=25 ) ? v dd 6 v ? v in -0.3 v dd +0.3 v ? t opr -65 +150 ? t a -40 +85 ?? t j 150 (v dd =5v r l 8 ? ta=25 ) ? ? ? ? v dd 2.0 5.5 v ? i dd 6.5 10 ma v in 0v i o 0ma ?? i sd 0.6 2 a v pin1 v dd ?? v os 5.0 50 mv v in 0v 1.2 thd 1 f=1khz r l 8 ? po 1.5 w thd 10 f=1khz r l 8 ? ? thd n 0.25 20hz f 20khz a vd =2 r l 8 ? po 1w ?? 60 db v dd =4.9v 5.1v www.datasheet.co.kr datasheet pdf - http://www..net/
ETK4871 ? rev 2.1 2008-02-25 4/7 www.datasheet.co.kr datasheet pdf - http://www..net/
ETK4871 rev 2.1 2008-02-25 5/7 www.datasheet.co.kr datasheet pdf - http://www..net/
ETK4871 ?? * ? ??? sop8 3.9 4.9 0.42 1.27 0.175 1.45 0.21 6 mm rev 2.1 2008-02-25 6/7 www.datasheet.co.kr datasheet pdf - http://www..net/
ETK4871 sop8-pp( ?? ) 3.9 4.9 0.42 1.27 0.1 1.55 0.21 6.0 mm 2.413 3.302 dip8 7.62 9.2 6.4 4.01 3.3 3.3 0.51 0.46 2.54 1.524 0.282 8.8 mm msop8 3 3 0.315 0.085 0.85 0.16 4.9 mm 0.65 rev 2.1 2008-02-25 7/7 www.datasheet.co.kr datasheet pdf - http://www..net/

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