M5278LXX MITSUBISHI | Alldatasheet

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MITSUBISHI <LINEAR ICs> M5278LXX,M5278LXXM (SV, 5.6V,8V, 9V, 10V,12V. 15V) 3-TERMINAL FIXED POSITIVE OUTPUT VOLTAGE REGULATOR (WITH FOLD-BACK PROTECTION CIRCUIT) DESCRIPTION PIN CONFIGURATION The MS278L series consists of monolithic integrated circuits, each a three-terminal regulator with maximum load capa- bilities of 100mA and featuring output voltages of 5, 5.6, 8, 9, 10, 12, or 15V. The high-performance, fixed-positive output 3 power supply ICs are packaged in 3-pin packages featuring x fold-back protective circuits for limiting current when load short. They are especially appropriate for use in personal computers and general power supplies of electrical appliances. U 0

FEATURES

© Interchangeable with other brand 78L series vossssveseessanes serseeseeeeseseeeeeeeeess Apmax=1OOMA © Internal fold-back protection circuit limits current due to ad shorted loads. : M5278L05 ----16.5mA(typ.)(1/10 that of other brands) Outline EIAJ:TO-92L Outline SOT-89 © High ripple division tactor MB278L05 --ssecsc esr eres teeeeeeeeeeeeeeeeeses 730 B (typ. ) ELECTRODE CONNECTION ELECTRODE CONNECTION D INPUT © Low output voltage tolerancee ties 5% ( max.) ? pedi boone © High level of permissible internal heat dissipation input @: ouTpuT vecsessesestienetnonnennennniessees OOmW(max.) 3P5 ee cteneseeeeeeeeitttttvenseeseneeeseeesss 5QQmW(max.) 3P2 APPLICATION Power supply for microcomputer in VTR equipment, general power supply for electronic equipment of tape decks, car stereo equipment and radio cassette recorder MSZ7BLXX C2 _/ blank 3PS pkg oy 1 Me3P2 pkg. (____. QUTPUT VOLTAGE VALUE Marking Output Marking Output Type 3P5 | 3p2 | Voltage Type 3PS 3P2 voltage M5278L05 78L05 _MA_ Sv M5278L08 78L08 MD a bv “Ms278L56 | 78L56_| MB 9.8V ws27eos | 78.09 | ME av ws27@L10 | 78L10| MF | lov M5278L15 | 78L15 | MH isv 7eui2 | MG | icv BLOCK DIAGRAM INPUT C) () ouput THERMAL QQ |erorecrion ee O© leikeury ee CiRgUIT REFERENCE , IRCUIT [VOLTAGE + a = AMPLIFIER ©)and MITSUBISHI 4—28 ELECTRIC

MITSUBISHI <LINEAR ICs> MS278LXX,MS278LXXM (SV,5.6V,8V,9V, 10V, 12V, 15V) 3-TERMINAL FIXED POSITIVE OUTPUT VOLTAGE REGULATOR (WITH FOLD-BACK PROTECTION CIRCUIT) ABSOLUTE MAXIMUM RATINGS (1a=25¢ ) [Sree [Parameter «dating “Ton | [i Jinuvotge Sd [i [eoad curent SSS [ea | Power dissipation == PHVRDOTIEAT | mw | = 20~475 =a 150 STANDARD CONNECTION Vin © M5278LXX © Vour c Co 0.33 nF ON uF C,, Co are capacitors to prevent oscillation Make connections as close to the IC as possible

ELECTRICAL CHARACTERISTICS

M5278L05 (v,=10V, |. =40mA, Ta=25'°C , C,=0. 33 uF, Co=0. 1 wF, unless otherwise noted) Symbol Parameter Test conditions Unit [min [typ [Max | [vo [output vonage a Tso zs Tv | 7. 5VSViS20V [ [so [200 | Reg.i i it ati —— Vv [Paci [mew eaunon ee a R Load regulation [imasnsiooma To fof ye loupe vans 7 5VEV.SAtV, imaSI AOA Dart sof ast, voltage a OY WVEVIEBV, = imA [ors | Bias current variability [W=l0v, Imazigama Sid id | BW 10H ~100KHe i eZ) [Rh [Ripple reiection rato __‘['=120H,Vaoasm ——SS~S~w CS | | | [vi=Vo [Minimum inputoupu vatage aiference [SSCS Yo [ie [Peak oadcurent | 0 [ios [ouput snon hoiang cuvent «|Site | [ran | Temperature cooticient of tpt vtage [u=Sma i | rr] ¢ MITSUBISHI A ELECTRIC 4—29

MITSUBISHI <LINEAR ICs> MS278LXX,M5278LXXM (5V,5.6V,8V, 9V, 10V, 12V, 15V) 3-TERMINAL FIXED POSITIVE OUTPUT VOLTAGE REGULATOR (WITH FOLD-BACK PROTECTION CIRCUIT) M5278L56 (V\\=1!V, |. =40mA, Ta=25T , C,=0. 33 nF, Co=0. |» F, unless otherwise noted) [win | typ [ max | [vo [oupurvorage a Te ee P| lasvevenwy S| ee el ee a ~ . [imasisaoma TT 80 | ae Oe lavevictvnetima CY 8 | [oe [esesinonseane Fitting Pa | [Wao [Output noise votage ——————*L BW 10He~T00mNe SS ver| [RR | Rippie rejection rato =i m1 Vem oapm ——SSSC~iC Ps | [Vivo [Mnimuminputouiputwatage ditewnce | ——SSSSCSCSCSC~sdCTSCidSC [ir Peak load eurrent |S P80 [ice | Output shon crcutevtomcuree [| SSSSSSS*d Stes | me | [1Cvo [Temperature coefficient of output voltage [w=Sma Tos] mvc] MS5278L08 (V\\=14V, 1, =40maA, 1a=25C.C,=0. 33 uF, Co=0. 1 uF, unless otherwise noted) [Min [ Tye | Max | [ivews2y wo 50 | Load regulation mv [imazisdma SSS a Vo Output voltage v [Velav.imasi sim S*d 782 | 8. | 888 | a A ee Bias current differential [W=tav.Imasistma Si ie | [Wax [Suino nee vonage | tOnefoonnee Le [RR [Ripple eiecton ratio id= 1008, Vn=Ogem —SSCSCSCSCS~wtCSC“‘“‘;CSY YC Lvinvo[Mnmunnpureuipuvonge atoms | —SSSSSSSS of [ir [Peaking curent |S 8] [ice | Output stor circu sustain curent | [es ma | TEimA ee ¢ MITSUBISHI 4—30 A ELECTRIC

MITSUBISHI <LINEAR ICs> MS5278LXX,M5278LXXM (5V,5.6V, 8V, 9V, 10V, 12V, 15V) 3-TERMINAL FIXED POSITIVE OUTPUT VOLTAGE REGULATOR (WITH FOLD-BACK PROTECTION CIRCUIT) M5278L09 (Vv,=16V, | =40mA, Ta=25C , C)=0. 33 uF, Co=0. 1 uF, unless otherwise noted) ‘symbol Parameter Test conditions - unit [an [tye [mar | [of oupatvemge dC so input regulation l2vsViS24v a oe input regulati Put reg TVS Vis24V [eT 70 TASS i00mA [0] Reg Load regulation mv TAS Ic 40™mA a T2VEViS24V, MAS 1 S40MA [8.46 | 9.0] 9.54 | Vo Output voltage 7 v TBVEViS24V, 1 =40mA Guiput noise votage BW 10He~100KHe ee eo [RR [Ripple rejection rato —————_~«d F120, Vig 0m es [is [Peak wad eure | Lice [output shon evut sustain ewe SSS es M5278L10 (V.=17V, | =40mA, Ta=25'C, C,=0. 33 2F, Co=0. 1 uF, unless otherwise noted) symbol Parameter Test conditions =“ Unit [iam] tye [mar | nowt coon 2 SVEVISEY Cf ep in | Input regulation m ieyassh 00a [0 | oo | Regi Load regulation mv TAS), S40mA [oss | 12, 5VSV.S25V, 1MAS| SOMA [9.4 | 10.0] 10.6 | Vo Output voltage Vv Vs 7V,1mASI-S7OmA [aa [ico [10.6 | [a 1 TavSWiSBV. = mA ee Ale Bias current differential mA Vin 17¥, IMAI SAA a rn [RR _| Ripple rejection ratio 1=120H2, Vin=0d8m [se [ s3{ | oe | Minumum input-output votage diterence [ET ov [ios Peak toad cunent Si

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’ ELECTRIC 4-31

MITSUBISHI <LINEAR ICs> M5278LXX,M5278LXXM (SV, 5.6V, 8V, 9V, LOV, 12V, 15V) 3-TERMINAL FIXED POSITIVE OUTPUT VOLTAGE REGULATOR (WITH FOLD-BACK PROTECTION CIRCUIT) M5278L12 (v.=19V, |. =40mA, Ta=25C, C/=0. 33 2F, Co=0. 1 2 F, unless otherwise noted) Symbol Parameter Test conditions Unit | min | typ [ Max | input regulati 14. 5VSViS27V re ee nput F ” mv Trias I 100m [10 | “100 | Reg | Load regulation mv ImAS I S40mA | | s] 80 | 14. 5VSViS27V, IMAS.S40mA Vo Output voltage Vv OVSViS27V, 1 =40mA Bias current diferenta TESA {fo | mma Vi=19V, ImASWSAOMA [te | Ouiput noise vonage ‘BW. 10H2~100kHe [oo [avims| [us [Peak ios euret | | [ios | Output shor encut susan caren re |] [Tove [Temperature coeticien of ouput vorage [K=Sma Tr MS278BL15 (V.=23V, | =40mA, Ta=25C, C=0. 334F, Co=0. 1 uF, unless otherwise noted) [seme [reams torent ae ed | 17. 5VSV,S30V [300 | TmAS1, S100mMA feos | Load reguaton Sus }—} 2} 24 ay TAS S40mA a a 17.BVEVS30V, 1mASL SAMA Va Output voltage SV S30V, 1MAS |S 40m [141] 15, 59] Vi=23V, MASK STOMA [14.1] 15.0] 15.9 | oe 6 OE 23VSViS30V, 1 =40mA, Bias current diferential BVSVS3 Jf aif os BW. 10H ~100KH [oo |_| RA Ripple rejection ratio 1=T20H2, Vin=0a8m [a] «[ | as | Jue [Peak toad current Paso Tm [ios | Outputsnon cieut ama emen [| 4—32 é ELECTRIC

MITSUBISHI <LINEAR ICs> M5278LXX,M5278LXXM (5V,5.6V, 8V, 9V, 10V, 12V.15V) 3-TERMINAL FIXED POSITIVE OUTPUT VOLTAGE REGULATOR (WITH FOLD-BACK PROTECTION CIRCUIT) TYPICAL CHARCTERISTICS THERMAL DERATING (MAXIMUM RATING) BIAS CURRENT VS. INPUT VOLTAGE 10) SEeo |] | PEERS SUN) > ReSeEeE Pa Zz —_ 5 soo Nee Pa eo Z L NOK a PDS) * GES Es , N \\ nn fo) 25 50 75 100 125, 150 i) 10 20 30 AMBIENT TEMPERATURE Ta (C) INPUT VOLTAGE V, (V) BIAS CURRENT VS. INPUT VOTAGE OUTPUT VOLTAGE VS. INPUT VOLTAGE 10, 8 = - 6 7 PELE EEA : Pr 2 | Y Pt ¢{ F [| T a s{ [| [ 7 Se ae ee oe i a 3 ft 4 LA ttt af | | | oO 10 20 30 0 5 10 15 20 INPUT VOLTAGE Vv, (Vv) INPUT VOLTAGE V, (V) OUTPUT VOLTAGE VS. INPUT VOLTAGE OUTPUT VOLTAGE VS. INPUT VOLTAGE 8 16 2 1. =100mA S K=40ma! 2 , JAR 2 "2 - wos f-— ‘0 Z| Hf Yj a) 20 Ll | 20 30 40 INPUT VOLTAGE (Vv) INPUT VOLTAGE Vv. (V)

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. ELECTRIC 4—33

MITSUBISHI <LINEAR ICs> M5278LXX,M5278LXXM (SV.5.6V, 8V, 9V, 10V, 12V,15V) 3-TERMINAL FIXED POSITIVE OUTPUT VOLTAGE REGULATOR (WITH FOLD-BACK PROTECTION CIRCUIT) OUTPUT VOLTAGE VS. INPUT VOLTAGE OUTPUT VOLTAGE VS. LOAD CURRENT 16; 20, 2 a ™ ~ 16 oe 5 ope A i. oo 2 oO 10 20 30 40 o.- 50 100 150 INPUT VOLTAGE V, (V) LOAD CURRENT |, (mA) BIAS CURRENT VS. OUTPUT VOLTAGE VS. AMBIENT TEMPERATURE AMBIENT TEMPERATURE | ; SEE 4 ‘ < =5ma eA ETT . Co

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: po aa8 » PCO a 2 Cope oy Cee rey COU at 0 20 40 60 80 100 120 0 40 80 120 160 AMBIENT TEMPERATURE Ta (C) AMIBENT TEMPERATURE Ta (C) RIPPLE REJECTION VS. FREQUENCY STL a Pe op elsneemmninemee (Ge asin et PATE UPR 5 a0 is : TT ERNE a 20 i ae HE LEE * f 3 5 7 100 3 5 7 Ik 3 5 7 10k 3 5 7 100k FREQUENCY f (Hz)

MITSUBISHI <LINEAR ICs> M5278LXX,MS278LXXM (5V,5.6V, 8V, 9V, 10V, 12V, 15V) 3-TERMINAL FIXED POSITIVE OUTPUT VOLTAGE REGULATOR (WITH FOLD-BACK PROTECTION CIRCUIT) MINIMUM INPUT-OUTPUT VOLTAGE DIFFERENCE VS. AMBIENT TEMPERATURE w g M5278L05 | br MINIMUM INPUT-OUTPUT VOLTAGE OS IDIFFERENCE FOR OPERATION AS. >< 3IREGULATOR (MEASURED AT A 5 ° POINT WHERE THE | 1 a? JOUTPUT IS LOWERED BY 5%) BS 2 ee] ce} ca ee 4 p= rH] 2G ju=ioma [| ze See | Peed 35 | | 4 z i atti | 0 2 40 60 80 100 120 AMBIENT TEMPERATURE Ta (C) FOLD-BACK PROTECTION CIRCUIT OUTPUT VOLTAGE VS. LOAD CURRENT The M5278L series has been designed to be complete with three-pin, 78L type regulators manufactured by oe ‘other companies for applications with loading currents in w | the 100mA class. They additionally have an internalized é ! fold-back protection circuit for protection against 3 ere? shorted loads 5 {uit Other 78L units do have an internalized protection cir- 5 ! MANES, cuit known as a drooping type circuit that are rether 5 FoLo-Back! OTHER simple, merely limiting maximum loading current. When 3 UNIT ! COMPANIES large current begins to flow in these units due to a short 1 circuit, abnormal temperatures are generated leading to breakdown and effective setting reliability. LOAD CURRENT As shown in the diagram, the fold-back protection cir- cuit employed in the M5278L decreases immediately excessive current caused by a short in the load. This not - , b> Graucnpotectonchouts a secintne praecton cw, [AOD ARKIN” cuit. 5 Yj PRECAUTIONS FOR USE 5 The current-control circuit requires that, as an IC power £ supply, this device be operated within the fold-back 3 ‘operating range shown in the accompanying chart. LOAD CURRENT MITSUBISHI ELECTRIC 4—35