page ? no. ? : ? 1/7 ds \ rs7200 \ 02 ??? september, ? 2009 ? www.orister.com rs7200 ? 250ma ? linear ? regulator ? with ? enable ? ? general ? description ? the ? rs7200 ? series ? is ? a ? group ? of ? positive ? voltage ? output, ? three \ pin ? regulators, ? that ? provide ? a ? high ? current ? even ? when ? the ? input/output ? voltage ? differential ? is ? small. ? low ? power ? consumption ? and ? high ? accuracy ? is ? achieved ? through ? cmos ? and ? programmable ? fuse ? technologies. ? output ? voltage: ? 2.0v ? to ? 6.0v ?? . ? the ? rs7200 ? consists ? of ? a ? high \ precision ? voltage ? reference, ? an ? error ? correction ? circuit, ? and ? a ? current ? limited ? output ? driver. ? transient ? response ? to ? load ? variations ? have ? improved ? in ? comparison ? to ? the ? existing ? series. ? ? with ? good ? transient ? responses, ? output ? remains ? stable ? even ? during ? load ? changes. ? the ? ce ? input ? enables ? the ? output ? to ? be ? turned ? off ? , ? resulting ? in ? reduced ? power ? consumption. ? ? sot \ 25 ? (150mw) ? package ? is ? available. ? with ? regards ? to ? the ? ce ? function, ? as ? well ? as ? the ? positive ? logic ? rs7200 \ xxgr ? series, ? a ? negative ? logic ? rs7200 \ xxgp ? series ? is ? also ? available. ? features ? applications ? 19 a ? quiescent ? current ? (typ.) ? operating ? voltages ? range +2.5v ? to ? +12v ? output ? voltages ? range +2.0v ? to ? +6.0v ? with ? 100mv ? increment ? maximum ? output ? current 250ma ? low ? dropout: ? 380mv@150ma ? (v out R 2.5v) ? high ? accuracy ? of ? output ? voltage ? 2.0% ? : ? v out R 2.5 ? v ? 50mv ? : ? v out Q 2.5 ? v ? high ? ripple ? rejection 60db ? output ? current ? limit ? protection ? (500ma) ? short ? circuit ? protection ? (200ma) ? thermal ? overload ? shutdown ? protection ? low ? esr ? capacitor ? compatible ? sot \ 25 ? package ? rohs ? compliant ? and ? 100% ? lead ? (pb) \ free ? and ? green ? (halogen ? free ? with ? commercial ? standard) ? battery \ powered ? equipment ? voltage ? regulator ? for ? microprocessor ? voltage ? regulator ? for ? lan ? cards ? wireless ? communication ? equipment ? audio/video ? equipment ? post ? regulator ? for ? switching ? power ? home ? electric/electronic ? appliance ? application ? circuits ? ? ? ? ? ? ?
page ? no. ? : ? 2/7 ds \ rs7200 \ 02 ??? september, ? 2009 ? www.orister.com ? ? this ? integrated ? circuit ? can ? be ? damaged ? by ? esd. ? orister ? corporation ? recommends ? that ? all ? integrated ? circuits ? be ? handled ? with ? appropriate ? precautions. ? failure ? to ? observe ? proper ? handling ? and ? installation ? procedures ? can ? cause ? damage. ? ? esd ? damage ? can ? range ? from ? subtle ? performance ? degradation ? to ? complete ? device ? failure. ? precision ? integrated ? circuits ? may ? be ? more ? susceptible ? to ? damage ? because ? very ? small ? parametric ? changes ? could ? cause ? the ? device ? not ? to ? meet ? its ? published ? specifications. ? pin ? assignment ? ? sot \ 25 ? ? ? ? package ? pin ? symbol ? description ? 1 ? vin ? regulator ? input ? pin ? 2 ? gnd ? ground ? pin ? 3 ? en ? chip ? enable ? pin ? 4 ? nc ? no ? connection ? sot \ 25 ? 5 ? vout ? regulator ? output ? pin ? ordering ? information ? device ? device ? code ? rs7200 \ xx ? ee ? yy ? z ? xx ? is ? nominal ? output ? voltage ? (for ? example, ? 20 ? = ? 2.0v, ? 33 ? = ? 3.3v, ? 285 ? = ? 2.85v). ? ee ? is ? ce ? input ? logic, ? internal ? pull \ up ? / ? down ? resistor ? : ? (see ? ce ? functions ? table) ? yy ? is ? package ? designator ? : ? ne: ? sot \ 25 ? z ? is ? lead ? free ? designator ? : ? p: ? commercial ? standard, ? lead ? (pb) ? free ? and ? phosphorous ? (p) ? free ? package ? g: ? green ? (halogen ? free ? with ? commercial ? standard) ? ce ? input ? logic ? functions ? ee ? code ? ce ? operational ? state ? h ? on ? gr ? l ? off ? h ? off ? gp ? l ? on ? ?
page ? no. ? : ? 3/7 ds \ rs7200 \ 02 ??? september, ? 2009 ? www.orister.com block ? diagram ? ? absolute ? maximum ? ratings ? parameter ? symbol ? ratings ? units input ? voltage ? v in ? to ? gnd ? v in ? 12 ? v ? output ? current ? limit, ? i (limit) ? i limit ? 500 ? ma ? junction ? temperature ? t j ? +155 ? o c ? thermal ? resistance ? sot \ 25 ? ja ? 250 ? o c/w power ? dissipation ? sot \ 25 ? p d ? 150 ? mw ? operating ? ambient ? temperature ? t opr ?\ 40 ? ~ ? +85 ? o c ? storage ? temperature ? t stg ?\ 55~+150 ? o c ? lead ? temperature ? (soldering, ? 10sec) ?\? +260 ? o c ? note: ? stresses ? beyond ? those ? listed ? under ? ?absolute ? maximum ? ratings? ? may ? cause ? permanent ? damage ? to ? the ? device. ? these ? are ? stress ? ratings ? only, ? and ? function ? operation ? of ? the ? device ? at ? these ? or ? any ? other ? conditions ? beyond ? those ? indicated ? under ? ?recommended ? operating ? conditions? ? is ? not ? implied. ? exposure ? to ? absolute \ maximum?rated ? conditions ? for ? extended ? periods ? may ? affect ? device ? reliability. ? electrical ? characteristics ? (t a =25c, ? unless ? otherwise ? specified) ? symbol ? parameter ? conditions ? min. ? typ. ? max. unit ? v in ? input ? voltage ?\? 2.0 ?\? 10 ? v ? v out ? output ? voltage ? v in =v out +1.0v, ? i out =40ma ?\ 2% ? v out ? +2% ? v ? i max ? output ? current ? (see ? note ? 1) ?\? 150 ?\? \? ma ? i limit ? current ? limit ?\?\? 0.5 ?\? a ? i sc ? short ? circuit ? current ? v in = ? v en =5v, ? v out =0v ?\? 100 ?\? ma ? i q ? ground ? pin ? current ? v in = ? v en =5v=v out +1.0v ?\?\? 19 ? ua ? i sd ? shutdown ? current ? v in =v out +1.0v, ? v en =0v, ? no ? load ?\? 0.1 ? 1.0 ? ua ? v ih ? en ? pin ? input ? voltage ? ?h? ? (see ? note ? 2) ? 1.5 ?\? \? v ? v il ? en ? pin ? input ? voltage ? ?l? ? (see ? note ? 2) ?\?\? 0.25 ? v ? i en ? en ? pin ? leakage ? current ?\?\?\? 0.1 ? ua ? v out 2.5v, ? i out =160ma ? ? 380 ?? 2.0v v out Q 2.5v, ? i out =160ma ? ? 550 ?? v drop ? dropout ? voltage ? v out Q 2.0v, ? i out =160ma ? ? 900 ?? mv ? v line ? line ? regulation ? i out =40ma, ? (v out +1v) v in 10v ? \? 0.2 ? 0.3 ? %/v ? v load ? load ? regulation ? v in =v out +1v, ? 1ma Q i out Q 80ma, ? c out =1uf ?\? 0.02 ? 0.04 ? %/ma e n ? output ? noise ? i out =50ma ? , ? f=1khz, ? c out =1uf ?\? 40 ?\? uv (rms) psrr ? ripple ? rejection ? v in =v out +1v, ? i out =30ma, ? f=10khz, ? vripple=1v p \ p ?\? 70 ?\? db ? t sd ? thermal ? shutdown ? temperature ? \? \? 160 ?\? o c ? t hys ? thermal ? shutdown ? hysteresis ?\? \? 10 ?\? o c ? notes ? 1. ? measured ? using ? a ? double ? sided ? board ? with ? 1?x ? 2? ? square ? inches ? of ? copper ? area ? connected ? to ? the ? gnd ? pins ? for ? ?heat ? spreading?. ? 2. ? en ? pin ? input ? voltage ? must ? be ? always ? less ? than ? or ? equal ? to ? input ? voltage. ? ? ?
page ? no. ? : ? 4/7 ds \ rs7200 \ 02 ??? september, ? 2009 ? www.orister.com detail ? description ? the ? rs7200 ? is ? a ? low ? quiescent ? current ? ldo ? linear ? regulator. ? the ? device ? provides ? preset ? 2.0v, ? 2.5v ? and ? 3.3v ? output ? voltages ? for ? output ? current ? up ? to ? 500ma. ? other ? mask ? options ? for ? special ? output ? voltages ? from ? 2.0v ? to ? 6.0v ? with ? 100mv ? increment ? are ? also ? available. ? as ? illustrated ? in ? function ? block ? diagram, ? it ? consists ? of ? a ? 2.0v ? voltage, ? error ? amplifier, ? a ? p \ channel ? pass ? transistor, ? an ? on/off ? control ? logic, ? and ? an ? internal ? feedback ? voltage ? divider. ? ? the ? 2.0v ? bandgap ? reference ? is ? connected ? to ? the ? error ? amplifier, ? which ? compares ? this ? reference ? with ? the ? feedback ? voltage ? and ? amplifies ? the ? voltage ? difference. ? if ? the ? feedback ? voltage ? is ? lower ? than ? the ? reference ? voltage, ? the ? pass \ transistor ? gate ? is ? pulled ? lower, ? which ? allows ? more ? current ? to ? pass ? to ? the ? output ? pin ? and ? increases ? the ? output ? voltage. ? if ? the ? feedback ? voltage ? is ? too ? high, ? the ? pass \ transistor ? gate ? is ? pulled ? up ? to ? decrease ? the ? output ? voltage. ? ? the ? output ? voltage ? is ? feedback ? through ? an ? internal ? resistive ? divider ? connected ? to ? v out ? pin. ? additional ? blocks ? include ? with ? output ? current ? limiter ? and ? shutdown ? logic. ? ? internal ? p \ channel ? pass ? transistor ? the ? rs7200 ? features ? a ? p \ channel ? mosfet ? pass ? transistor. ? unlike ? similar ? designs ? using ? pnp ? pass ? transistors, ? p \ channel ? mosfets ? require ? no ? base ? drive, ? which ? reduces ? quiescent ? current. ? pnp?based ? regulators ? also ? waste ? considerable ? current ? in ? dropout ? conditions ? when ? the ? pass ? transistor ? saturates, ? and ? use ? high ? base \ drive ? currents ? under ? large ? loads. ? the ? rs7200 ? does ? not ? suffer ? from ? these ? problems ? and ? consumes ? only19 a ? (typical) ? of ? current ? consumption ? under ? light ? loads. ? ? enable ? function ? en ? pin ? starts ? and ? stops ? the ? regulator. ? when ? the ? en ? pin ? is ? switched ? to ? the ? power ? off ? level, ? the ? operation ? of ? all ? internal ? circuit ? stops, ? the ? build \ in ? p \ channel ? mosfet ? output ? transistor ? between ? pins ? v in ? and ? v out ? is ? switched ? off, ? allowing ? current ? consumption ? to ? be ? drastically ? reduced. ? the ? v out ? pin ? enters ? the ? gnd ? level ? due ? to ? the ? several ? m ? resistance ? of ? the ? feedback ? voltage ? divider ? between ? v out ? and ? gnd ? pins. ? ? output ? voltage ? selection ? the ? rs7200 ? output ? voltage ? is ? preset ? at ? an ? internally ? trimmed ? voltage ? 2.5v ? or ? 3.3v. ? the ? output ? voltage ? also ? can ? be ? mask \ optioned ? from ? 2.0v ? to ? 5.0v ? with ? 100mv ? increment ? by ? special ? order. ? the ? first ? two ? digits ? of ? part ? number ? suffix ? identify ? the ? output ? voltage ? (see ? ordering ? information ). ? for ? example, ? rs7200 \ 33 ? has ? a ? preset ? 3.3v ? output ? voltage. ? ? current ? limit ? the ? rs7200 ? also ? includes ? a ? fold ? back ? current ? limiter. ? it ? monitors ? and ? controls ? the ? pass \ transistor?s ? gate ? voltage, ? estimates ? the ? output ? current, ? and ? limits ? the ? output ? current ? within ? 350ma. ? ? thermal ? overload ? protection ? thermal ? overload ? protection ? limits ? total ? power ? dissipation ? in ? the ? rs7200. ? when ? the ? junction ? temperature ? exceeds ? t j =+155c, ? a ? thermal ? sensor ? turns ? off ? the ? pass ? transistor, ? allowing ? the ? ic ? to ? cool ? down. ? the ? thermal ? sensor ? turns ? the ? pass ? transistor ? active ? again ? after ? the ? junction ? temperature ? cools ? down ? by ? 10c, ? resulting ? in ? a ? pulsed ? output ? during ? continuous ? thermal ? overload ? conditions. ? ? thermal ? overload ? protection ? is ? designed ? to ? protect ? the ? rs7200 ? in ? the ? event ? of ? fault ? conditions. ? for ? continuous ? operation, ? the ? maximum ? operating ? junction ? temperature ? rating ? of ? t j =+125c ? should ? not ? be ? exceeded. ? ? dropout ? voltage ? a ? regulator?s ? minimum ? input \ output ? voltage ? differential, ? or ? dropout ? voltage, ? determines ? the ? lowest ? usable ? supply ? voltage. ? in ? battery \ powered ? systems, ? this ? will ? determine ? the ? useful ? end \ of \ life ? battery ? voltage. ? the ? rs7200 ? uses ? a ? p \ channel ? mosfet ? pass ? transistor, ? its ? dropout ? voltage ? is ? a ? function ? of ? drain \ to \ source ? on \ resistance ? (r ds(on) ) ? multiplied ? by ? the ? load ? current. ? ? out on ds out in dropout i r v v v = ? = ) ( ? ? ? ?
page ? no. ? : ? 5/7 ds \ rs7200 \ 02 ??? september, ? 2009 ? www.orister.com sot \ 25 ? dimension ? ? notes: ? a. all ? linear ? dimensions ? are ? in ? millimeters. ? b. this ? drawing ? is ? subject ? to ? change ? without ? notice. ? c. body ? dimensions ? do ? not ? include ? mold ? flash ? or ? protrusion. ? d. falls ? within ? jedec ? mo \ 193 ? variation ? ab ? (5 ? pin). ? ? ? ? ? ? ? ? ? ? ? ? ?
page ? no. ? : ? 6/7 ds \ rs7200 \ 02 ??? september, ? 2009 ? www.orister.com soldering ? methods ? for ? orister?s ? products ? 1. ? storage ? environment: ? temperature=10 o c~35 o c ? humidity=65%15% ? 2. ? reflow ? soldering ? of ? surface \ mount ? devices ? ? profile ? feature ? sn \ pb ? eutectic ? assembly ? pb \ free ? assembly ? average ? ramp \ up ? rate ? (t l ? to ? t p ) ? <3 o c/sec ? <3 o c/sec ? preheat ? \? temperature ? min ? (ts min ) ? \? temperature ? max ? (ts max ) ? \? time ? (min ? to ? max) ? (ts) ? ? 100 o c ? 150 o c ? 60~120 ? sec ? ? 150 o c ? 200 o c ? 60~180 ? sec ? tsmax ? to ? t l ? ? \? ramp \ up ? rate ? ? <3 o c/sec ? ? <3 o c/sec ? time ? maintained ? above: ? \? temperature ? (t l ) ? \? time ? (t l ) ? ? 183 o c ? 60~150 ? sec ? ? 217 o c ? 60~150 ? sec ? peak ? temperature ? (t p ) ? 240 o c ? +0/ \ 5 o c ? 260 o c ? +0/ \ 5 o c ? time ? within ? 5 o c ? of ? actual ? peak ? temperature ? (t p ) ? 10~30 ? sec ? 20~40 ? sec ? ramp \ down ? rate ? <6 o c/sec ? <6 o c/sec ? time ? 25 o c ? to ? peak ? temperature ? <6 ? minutes ? <8 ? minutes ? 3. ? flow ? (wave) ? soldering ? (solder ? dipping) ? products ? peak ? temperature ? dipping ? time ? pb ? devices. ? 245 o c ? 5 o c ? 5sec ? 1sec ? pb \ free ? devices. ? 260 o c ? +0/ \ 5 o c ? 5sec ? 1sec ? ? ? ? ? ? figure ? 1: ? temperature ? profile ? t p t l ramp-down ramp-up ts max ts min critical zone t l to t p t s preheat t l t p 25 t 25 o c to peak time temperature
page ? no. ? : ? 7/7 ds \ rs7200 \ 02 ??? september, ? 2009 ? www.orister.com ? ? important ? notice: ? ? ? ? orister ? corporation ? orister ? cannot ? assume ? responsibility ? for ? use ? of ? any ? circuitry ? other ? than ? circuitry ? entirely ? embodied ? in ? an ? orister ? product. ? no ? circuit ? patent ? licenses, ? copyrights, ? mask ? work ? rights, ? or ? other ? intellectual ? property ? rights ? are ? implied. ? ? orister ? reserves ? the ? right ? to ? make ? changes ? to ? their ? products ? or ? specifications ? or ? to ? discontinue ? any ? product ? or ? service ? without ? notice. ? except ? as ? provided ? in ? orister?s ? terms ? and ? conditions ? of ? sale, ? orister ? assumes ? no ? liability ? whatsoever, ? and ? orister ? disclaims ? any ? express ? or ? implied ? warranty ? relating ? to ? the ? sale ? and/or ? use ? of ? orister ? products ? including ? liability ? or ? warranties ? relating ? to ? fitness ? for ? a ? particular ? purpose, ? merchantability, ? or ? infringement ? of ? any ? patent, ? copyright ? or ? other ? intellectual ? property ? right. ? in ? order ? to ? minimize ? risks ? associated ? with ? the ? customer?s ? applications, ? adequate ? design ? and ? operating ? safeguards ? must ? be ? provided ? by ? the ? customer ? to ? minimize ? inherent ? or ? procedural ? hazards. ? testing ? and ? other ? quality ? control ? techniques ? are ? utilized ? to ? the ? extent ? orister ? deems ? necessary ? to ? support ? this ? warranty. ? specific ? testing ? of ? all ? parameters ? of ? each ? device ? is ? not ? necessarily ? performed. ?? ? orister ? and ? the ? orister ? logo ? are ? trademarks ? of ? orister ? corporation. ? all ? other ? brand ? and ? product ? names ? appearing ? in ? this ? document ? are ? registered ? trademarks ? or ? trademarks ? of ? their ? respective ? holders. ? ? ? ?
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