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lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 1 of 13 boost ?? 8w ab/d ? x ??? lpa2160 ?boost??x??? ,6amosfetboost??? ?6v boost??6vthd=1% ??3 ???4.5w??, tdh=10%??3 ???5.6w?? ? abd??,??? ????fm??lpa2160? ??????,? lpa2160???? ?lpa2160?? ???psrrlpa2160 rf?pwm?? ?boost??,?? ,lpa2160?,? ,????2 lpa2160 ??esop16 ?? ??,?????-4085 lpa2160 ???? (lowpowersemi) ? ? dmas ?????? ? ????? ?????? ? z esop16 ? z ? z z boost ?ab d ??x ? z p at 10% thd+n, vin = 3.7v rl = 4 4.50w(boost ??? 5.8v) rl = 3 5.20w(boost ??? 5.8v) po at 10% thd+n, vin = 3.7v: rl = 3 4.30w(boost ???5.5v) rl = 3 5.60w(boost ???6.0v) po at 1% thd+n, vin = 3.7v: rl = 3 3.10w(boost ???5.5v) rl = 3 4.50w(boost ???6.0v) z "-"(pop-noise) z ?2.8v 5.5v z ?class-d ? z 90% z ???(psrr)217hz ?70db z ? (260ms) z ? (30ma) z ??? (90a) z ?? z rohs ??? ? device marking package shipping lpa2160 lps lpa2160 xxxx esop16 3k/reel
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 2 of 13 ??? 0.1u 0.1u gnd 1 2 fb sw1 3 sw2 4 sd 5 by pass 6 mod e 7 in 8 vo+ 9 vdd 10 agnd 11 vo- 12 pgnd 13 pgnd 14 vin 15 en 16 pgnd 17 lpa2160 470uf/25v 0.1u 15uh/3a speaker ss34 c8 r2 r1 option batt 0.22u 1u cin rin ab d 10u input on off off on 220uf/10v 470uf/10v demo board layout ?
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 3 of 13 gnd 1 fb 2 sw 3 sw 4 sd 5 by pass 6 mod e 7 in 8 vo+ 9 vdd 10 agnd 11 vo- 12 pgnd 13 pgnd 14 vin 15 en 16 lpa2160 esop16 top view 1 gnd 2 fb ? 3 sw 4 sw 5 sd ???? 6 byp ?? 7 mode ab/d??????ab?????d?? 8 in ? 9 v0+ ? 10 vdd ?? 11 agnd ? 12 v0- ? 13 gnd ? 14 gnd ? 15 vin ?? 16 en ???
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 4 of 13 ? ? vin ??? 6 v vi ? -0.3 to vdd+0.3 v tj ??? -40 to 150 tsdr ??10? 260 tstg ?? -65 to 150 ? ? vin ? 2.8~5.5 v ta ?? -40~85 tj -40~125 ?? ? ja (esop16) ? ? ? 40 /w jc ? --- ?? 23 /w esd esd hbm( ?? )---------------------------------------------------------------------------------------------------- 4kv esd mm( ?? )--------------------------------------------------------------------------------------------------- 400v 1. ???????? ???? 2. pcb lpa2160 ?? , ?? . ? lpa2160 ??? pcb ? ? ?
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 5 of 13 d ?? ta=25 c( ? ) ? ? voo ? ? ? vin=0v, av=2v/v vdd=2.5v to 6v 5 25 mv psrr ?? ? vdd=2.5v to 5.5v,217hz -70 db cmrr ?? ???, vdd=2.5vto5.5v -72 db vdd=5.5v,?, ? 5 idd ? vdd=3.6v,?, ? 4 ma isd ?? 90 a vdd=6v 210 rds(on) ??? vdd=3.6v 280 m f(sw) ? vdd=2.7v to 5.5v 500 khz ta=25 c, rl=4 ( ? ) ? vdd=5.0v,thd=10%,f=1khz,rl=4 (ab ) 4.9 5 5.1 vdd=5.0v,thd=10%, f=1khz,rl=2(d ) 4.95 5.1 5.15 vdd=5.0v,thd=10%,f=1khz,rl=4 (d ) 3.1 3.2 3.3 po vdd=5.0v,thd=1%, f=1khz,rl=4(ab ) 3.2 3.3 3.4 w vdd=5.0v,po=3.0w, f=1khz,rl=2 0.1 thd+n ? + vdd=5.0v,po=1.0w, f=1khz,rl=4 0.09 % vdd=5.0v,po=0.6w, f=1khz,rl=4 90 % snr vdd=5.0v,po=0.5w, f=1khz,rl=2 84 db
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 6 of 13 ? (vin=3.6v,vout=5v,cin=220uf,cout=470uf ,l=15uh) lpa2160 ? ? ? units ? 2.8 5.5 v ? 2.5 6 v ?? ven=vout=0v,vsw=5v 3 ua ? vfb=0.7v 150 ua ? 0.588 0.6 0.612 v fb vfb=1.2v 50 na ? freq=vcc 1200 khz ?? 85 90 % en ??? 0.4 v en ? 1.4 v mosfet 6 a ? vout=3.3v 100
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 7 of 13 audio efficiency vs output power efficiency vs output power thd+n vs output power thd+n vs outpu t power thd+n vs frequency thd+n vs frequen cy output power vs supply voltage output power v s supply voltage
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 8 of 13 output power vs supply voltage output power vs supply voltage psrr vs frequency cmrr vs frequ ency
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 9 of 13 power dissipation vs output power power dissipa tion vs output power supply current vs output power supply current vs output power supply current vs supply voltage
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 10 of 13 ta=25? boost vin=3.3v vout=5v 0ma vin=3.3v vout=5v 50ma vin=3.3v vout=5v 100ma vin=3.3v vout=5v 2a efficency vs ioutput
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 11 of 13 ? lpa2160 boost ?? , ? 4 ?? ????? 5.0w , ??? 90%, ab d ???? ? lpa2160 ? aerc((adaptive edge rate control) , ????? emi ? 60cm ?? fcc ??? 20db ? ( ? ) lpa2160 ? pwm ???? ? pcb ?????? ?????? ????1??? ???? lpa2160 ?? ??1 ???? lpa2160 d ? ?? d ???? ??????? ? ??? mosfet ? ? i r lpa2160 ?? 90% ? lpa2160 d ??? pwm ?? ???? d ? lc ??? ??????? ?? pop&click lpa2160 ??? , ?? pop & click , ??? , ,wake up shutdown ????? lpa2160 ??? , ????? ???? , ??????? ,lpa2160 ?????? , ????? ? ,lpa2160 ??? ? , ??? , ??? , ?? mode ?? ab ,d ?? mode ??? mode ???? ,lpa2160 d ??? mode ???? ,lpa2160 ab ??? . boost ?? lpa2160 ???? ?? 6v , ??? 500k ?? vout=(r1/r2+1)x 0.6v ?? vout(v) r1(k ) r2(k ) c8(pf) 4.5 15 97 22(option) 5 15 110 22(option) 5.5 15 122 47(option) 6 15 135 47(option) ?? ?? cs lpa2160 ?? ab / ???? ??????? ?? ?????????? ?? esr ?? , ???? 1uf ????t?? ? vdd ?? lpa2160 ??? lpa2160 ?????? ??????? ?????? 10uf ??? ? lpa2160 ??? , 60cm ? ?? fcc ???? ? emi ???? ?? lpa2160 , ??
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 12 of 13 (rin ) ???????? v v d ?? v v gain ab ?? rin 161k ? 10% gain 161k ? 10% rin ??? psrr,cmrr ? thd ???t? 1% pcb ?? lpa2160 ?? ??? (cin ) ?q??? ??? ????????? ????????? ?? ????? fc ? 217hz ?????? ? pop & click ? , ??? ? 10% ?? . ??y cin ?? 217hz ??? ??? ?? boost ?????? 30v ??? 3a ??? boost ??????? ??????????? ?? ?????? ???? ? e=l/2*(ip) 2 ip ???????? ????????? ? dcr ????????? ??? 10uh, ? 15uh ? 470uf. layout ? lpa2160 ? boost ??? pcb layout ???? 1. ?? fb ? ic fb ?? ???????? ; 2. ?????? ?????????? ??? ??????? 3. ??? dc 3a ??? ??? 4. ??????? ?? 5.vdd ?????? 470uf ???? 0.1u ?????? ?? ? 6.ic ?????? ic ?? 7. ?? lc ?
lpa2160 lpa2160 ? version 1.0 datasheet may.-2014 www.lowpowersemi.com page 13 of 13 ?? esop16

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