三端稳压器_ST78M05

1、L78M00SERIESL78M00SERIESPOSITIVE VOLTAGE REGULATORS OUTPUT CURRENT TO 0.5A OUTPUT VOLTAGES OF 5; 6; 8; 9; 12; 15; 18; 20; 24V THERMAL OVERLOAD PROTECTION SHORT CIRCUIT PROTECTION OUTPUT TRANSITION SOA PROTECTIONDESCRIPTIONThe L78M00 series of three-terminal positive regulators is available in TO-220

2、, TO-220FP, DPAK and IPAK packages and with several fixed output voltages, making it useful in a wide range of applications. These regulators can provide local on-card regulation, eliminating the distribution problems associated with single point regulation. Each type employs internal current limiti

3、ng, thermal shut-down and safe area protect!on, making it essentially indestructible If adequate heat sinking is provided, they can deliver over 0.5A output current. Although designed primarily as fixed voltage regulators, these devices can beTO-220TO-220FPDPAKIPAKused with exter nal comp on ents to

4、 obtai n adjustable voltage and currents.SCHEMATIC DIAGRAMJanuary 20041/21L78M00 SERIESABSOLUTE MAXIMUM RATINGSSymbolParameterValueUnitV|DC I叩ut Voltage (for Vq= 5 to 18V)35V(for Vo= 20. 24V)40VoOutput CurrentInternally LimitedmAPdPower DissipationInternally LimitedmWTstgStorage Temperature Range-65

5、 to +150°CTopOperating Junction Temperature Range0 to +150°CAbsolute Maximum Ratings are those values beyond which damage to the devce may occur. Functional operation under these condition Is not impliedTHERMAL DATASymbolParameterTO-220TO-220FPDPAKIPAKUnit口 . thj-caaeThermal Resistance Jun

6、ction-case358笛/W&hjambThermal Resistance Junction-ambient5060100CWSHEMATIC DIAGRAM叼CONNECTION DIAGRAM (top view)TO-220TO-220FPOUTPUT=> INPUTSC07770DPAKIPAKORDERING CODESTYPETO-220TO-220FPDPAK (*)IPAKOUTPUT VOLTAGEL78M05L78M05CVL78M05CPL78M05CDTL78M05CDT-15 VL78M06L78M06CVL78M06CPL78M06CDTL78M

7、06CDT-16 VL78M08L78M08CVL78M08CPL78M08CDTL78M08CDT-18 VL78M09L78M09CVL78M09CPL78M09CDTL78M09CDT-19 VL78M10L78M10CVL78M10CPL78M10CDTL78M10CDT-110VL78M12L78M12CVL78M12CPL78M12CDTL78M12CDT-112 VL78M15L78M15CVL78M15CPL78M15CDTL78M15CDT-115VL78M18L78M18CVL78M18CPL78M18CDTL78M18CDT-118VL78M20L78M20CVL78M2

8、0CPL78M20CDTL78M20CDT-120 VL78M24L78M24CVL78M24CPL78M24CDTL78M24CDT-124 V(*) Available in Tape & Reel with the suffix M-TR*.APPLICATION CIRCUITSTEST CIRCUITSFigure 1 : DC ParameterFigure 2 : Load RegulationFigure 3 : Ripple Rejection5JAOVi一 _1 L78MXX 卜丁一03阳47QuF120H 1o7/21L78M00 SERIESELECTRICAL

9、 CHARACTERISTICS OF L78M05C (refer to the test circuits, Tj = 25°C, V, = 10V, lo = 350 mA, C( = 0.33 pF, Co = 0.1 pF unless otherwise specified)SymbolParameterTest ConditionsMin.Typ.Max.UnitVoOutput Voltage4.855.2VV。Output Voltagel0 = 5 to 350 mA V( = 7 to 20 V4.7555.25VV。Line RegulationV| = 7

10、to 25 Vlo = 200 mA100mVV( = 8 to 25 Vlo = 200 mA50AV0Load RegulationIq = 5 to 500 mA Tj = 25°C100mVlo = 5 to 200 mA Td = 25°C50IdQuiescent Current6mAIdQuiesce nt Current Changelo = 5 to 350 mA0.5mAl0 = 200 mAV| = 8 to 25 V0.8aVq/aTOutput Voltage Driftl0 = 5 mATj = 0 to 125°C05mV/%SVRS

11、upply Voltage RejectionV( = 8to18 Vf= 120Hzlo = 300mA62dBeNOutput Noise VoltageB=10Hz to 100KHZ40mVVdDropout Voltage2V'scShort Circuit CurrentV( = 35 V300mAELECTRICAL CHARACTERISTICS OF L78M06C (refer to the test circuits, Tj = 25°C, V)= 11V, lo = 350 mA, C| = 0.33 pF, Co = 0.1 pF unless ot

12、herwise specified)SymbolParameterTest ConditionsMin.Typ.Max.UnitVoOutput Voltage5.7566.25VV。Output Voltagelo = 5 to 350 mA V( = 8 to 21 V5.766.3VaVoLine RegulationV| = 8 to 25 Vlo = 200 mA100mVV( = 9 to 25 Vlo = 200 mA50V。Load RegulationIq = 5 to 500 mA Tj = 25 °C120mVlo = 5 to 200 mA Tj = 25&#

13、176;C60IdQuiescent Current6mAAidQuiescent Current Changelo = 5 to 350 mA0.5mAl0 = 200 mAV, = 9 to 25 V0.8aVq/aTOutput Voltage DriftIq = 5 mATj = 0 to 125 °C05mV/%SVRSupply Voltage RejectionV, = 9to19 Vf= 120Hzlo = 300mA59dBeNOutput Noise VoltageB=10Hz to 100KHZ45mVVdDropout Voltage2VIseShort Ci

14、rcuit CurrentV| = 35 V270mAELECTRICAL CHARACTERISTICS OF L78M08C (refer to the test circuits, Tj = 25°C, V, = 14V, lo = 350 mA, C| = 0.33 pF, Co = 0.1 pF unless otherwise specified)SymbolParameterTest ConditionsMin.Typ.Max.UnitV。Output Voltage7.788.3VV。Output Voltagelo = 5 to 350 mA V( = 10.5to

15、 23 V7.688.4VaVoLine RegulationV|= 10.5 to 25 V lo = 200 mA100mVVl= 11 to 25 Vlo = 200 mA50AV。Load RegulationIq = 5 to 500 mA Tj = 25°C160mVlo = 5 to 200 mA Tj = 25°C80IdQuiesce nt Current6mAIdQuiesce nt Current Changelo = 5 to 350 mA0.5mAlo = 200 mAV( = 10.5to 25 V0.8AVq/ATOutput Voltage

16、Driftlo = 5 mATj = 0 to 125°C-0.5mV/乜SVRSupply Voltage RejectionV(= 11.5 to 21.5 V f= 120Hz l0 = 300mA56dBeNOutput Noise VoltageB=10Hz to 100KHZ52mVVdDropout Voltage2V'scShort Circuit CurrentVf = 35 V250mAELECTRICAL CHARACTERISTICS OF L78M09C (refer to the test circuits, Td = 25°C, V)=

17、 15V, lo = 350 mA, C( = 0.33 pF, Co = 0.1 pF unless otherwise specified).SymbolParameterTest ConditionsMin.TypMax.UnitVoOutput Voltage8.6599.35VVoOutput Voltagel0 = 5 to 350 mA V( = 11.5 to 24 V8.5599.45VV。Line RegulationVl= 11.5 to 25 V lo = 200 mA100mVVl= 12to 25 Vlo = 200 mA50aVoLoad Regulationlo

18、 = 5 to 500 mA Tj = 25 °C180mVl0 = 5 to 200 mA Tj = 25°C90'dOuiescent Current6mAIdQuiescent Current Changelo = 5 to 350 mA0.5mAl0 = 200 mAV| = 11.5 to 25 V0.8aVq/aTOutput Voltage DriftIq = 5 mATj = 0 to 125°C-0.5mV/%)SVRSupply Voltage RejectionVt= 12.5 to 23 V f= 120Hz lo = 300mA5

19、6dBeNOutput Noise VoltageB=10Hz to 100KHz58mVVdDropout Voltage2V'scShort Circuit CurrentVj = 35 V250mAELECTRICAL CHARACTERISTICS OF L78M10C (refer to the test circuits, Tj = 25°C, V, = 16V, lo = 350 mA, C, = 0.33 pF, Co = 0.1 pF unless otherwise specified)SymbolParameterTest ConditionsMin.T

20、yp.Max.UnitVoOutput Voltage9.61010.4VV。Output Voltagel0 = 5 to 350 mA V)= 12.5to 25 V9.51010.5VV。Line RegulationVl= 12.5 to 30 V lo = 200 mA100mVV(= 13to 30 Vlo = 200 mA50AV0Load RegulationIq = 5 to 500 mA Tj = 25°C200mVlo = 5 to 200 mA Td = 25°C100IdQuiescent Current6mAAldQuiesce nt Curre

21、nt Changelo = 5 to 350 mA0.5mAl0 = 200 mAV| = 12.5to 30 V0.8aVq/aTOutput Voltage Driftl0 = 5 mATj = 0 to 125°C05mV/%SVRSupply Voltage RejectionV|= 13.5 to 24 V f= 120Hz lo = 300mA56dBeNOutput Noise VoltageB=10Hz to 100KHZ64mVVdDropout Voltage2V'scShort Circuit CurrentV| = 35 V245mAELECTRICA

22、L CHARACTERISTICS OF L78M12C (refer to the test circuits, Tj = 25°C, V)= 19V, lo = 350 mA, C( = 0.33 pF, Co = 0.1 pF unless otherwise specified).SymbolParameterTest ConditionsMin.Typ.Max.UnitV。Output Voltage11.51212.5VVoOutput Voltagelo = 5 to 350 mA V| = 14.5to 27 V11.41212.6VVoLine Regulation

23、V|= 14.5 to 30 V lo = 200 mA100mVVl= 16to 30 Vlo = 200 mA50V。Load RegulationIq = 5 to 500 mA Tj = 25 °C240mVlo = 5 to 200 mA Tj = 25°C120IdQuiesce nt Current6mAQuiesce nt Current Changel0 = 5 to 350 mA0.5mAlo = 200 mAVl = 14.5to 30 V0.8AVq/aTOutput Voltage Driftl0 = 5 mATj = 0 to 1250-1mV/

24、%SVRSupply Voltage RejectionVl= 15to 25 Vf= 120Hzlo = 300mA55dBeNOutput Noise VoltageB=10Hz to 100KHz75pVVdDropout Voltage2VIseShort Circuit CurrentV| = 35 V240mAELECTRICAL CHARACTERISTICS OF L78M15C (refer to the test circuits, Tj = 25°C, V, = 23V, lo = 350 mA, C, = 0.33 pF, Co = 0.1 pF unless

25、 otherwise specified).SymbolParameterTest ConditionsMin.Typ.Max.UnitVoOutput Voltage14.41515.6VV。Output Voltagel0 = 5 to 350 mA V)= 17.5 to 30 V14.251515.75VV。Line RegulationVl= 17.5 to 30 V lo = 200 mA100mVV( = 20 to 30 Vlo = 200 mA50AV0Load RegulationIq = 5 to 500 mA Tj = 25°C300mVlo = 5 to 2

26、00 mA Tj = 25°C150IdQuiescent Current6mAIdQuiesce nt Current Changelo = 5 to 350 mA0.5mAl0 = 200 mAV| = 17.5to 30 V0.8aVq/aTOutput Voltage Driftl0 = 5 mATj = 0 to 125°C-1mV/%SVRSupply Voltage RejectionV(= 18.5 to 28.5 V f= 120Hz lo = 300mA54dBeNOutput Noise VoltageB=10Hz to 100KHz90mVVdDro

27、pout Voltage2V'scShort Circuit CurrentV( = 35 V240mAELECTRICAL CHARACTERISTICS OF L78M18C (refer to the test circuits, Tj = 25°C, V)= 26V, lo = 350 mA, C( = 0.33 pF, Co = 0.1 pF unless otherwise specified).SymbolParameterTest ConditionsMin.Typ.Max.UnitV。Output Voltage17.31818.7VVoOutput Vol

28、tagelo = 5 to 350 mA V| = 20.5 to 33 V17.11818.9VVoLine RegulationV)= 21 to 33 Vlo = 200 mA100mVVl = 24 to 33 Vlo = 200 mA50V。Load RegulationIq = 5 to 500 mA Tj = 25°C360mVlo = 5 to 200 mA Tj = 25 °C180IdQuiesce nt Current6mAQuiesce nt Current Changel0 = 5 to 350 mA0.5mAlo = 200 mAVl = 21

29、to 33 V0.8AVq/aTOutput Voltage Driftl0 = 5 mATj = 0 to 1250-1.1mV/PSVRSupply Voltage RejectionV)= 22 to 32 Vf= 120Hzlo = 300mA53dBeNOutput Noise VoltageB=10Hz to 100KHz100pVVdDropout Voltage2VIseShort Circuit CurrentV| = 35 V240mAELECTRICAL CHARACTERISTICS OF L78M20C (refer to the test circuits, Tj

30、= 25°C, V, = 29V, lo = 350 mA, C, = 0.33 pF, Co = 0.1 pF unless otherwise specified).SymbolParameterTest ConditionsMin.Typ.Max.UnitVoOutput Voltage19.22020.8VV。Output Voltagel0 = 5 to 350 mA 比二 23 to 35 V192021VV。Line RegulationV| = 23 to 35 Vlo = 200 mA100mVV( = 24 to 35 Vlo = 200 mA50AV0Load

31、RegulationIq = 5 to 500 mA Tj = 25°C400mVlo = 5 to 200 mA Tj = 25°C200IdQuiescent Current6mAAldQuiescent Current Changelo = 5 to 350 mA0.5mAl0 = 200 mAV| = 23to 35V0.8aVq/aTOutput Voltage Driftl0 = 5 mATj = 0 to 125°C-1.1mV/%SVRSupply Voltage RejectionV| = 24 to 34 Vf= 120Hzlo = 300mA

32、53dBeNOutput Noise VoltageB=10Hz to 100KHz110mVVdDropout Voltage2V'scShort Circuit CurrentV( = 35 V240mAELECTRICAL CHARACTERISTICS OF L78M24C (refer to the test circuits, Tj = 25°C, V( = 33V, lo = 350 mA, C( = 0.33 pF, Co = 0.1 pF unless otherwise specified),SymbolParameterTest ConditionsMi

33、n.Typ.Max.UnitVoOutput Voltage232425VV。Output Voltagel0 = 5 to 350 mA V= 27 to 38 V22.82425.2VVoLine RegulationV| = 27 to 38 Vlo = 200 mA100mVV| = 28 to 38 Vlo = 200 mA50aVoLoad Regulationlo = 5 to 500 mA Tj = 25°C480mVl0 = 5 to 200 mATj = 25°C240IdQuiescent Current6mAIdQuiescent Current C

34、hangeIq = 5 to 350 mA0.5mAl0 = 200 mAVj = 27to 38 V0.8AVq/ATOutput Voltage Driftlo = 5 mATj = 0 to 125°C-1.2mV/七SVRSupply Voltage RejectionV( = 28 to 38 Vf= 120HzIq = 300mA50dBeNOutput Noise VoltageB=10Hz to 100KHZ170mVVdDropout Voltage2VIseShort Circuit CurrentV| = 35 V240mA叼11/21L78M00 SERIES

35、叼13/21L78M00 SERIESFigure 4 : Dropout Voltage vs JunctionTemperatureFigure 7 : Output Voltage vs JunctionTemperatureFigure 5 : Dropout CharacteristicsFigure 8 : Supply Voltage Rejection vsFrequency叼#/21L78M00 SERIES叼#/21L78M00 SERIESFigure 6 : Peak Output Current vs Input-Output Differential Voltage

36、Figure 9 : Quiescent Current vs Junction Temperature叼#/21L78M00 SERIES叼#/21L78M00 SERIESFigure 10 : Load Transient ResponseFigure 12 : Quiescent Current vs I叩ut VoltageFigure 11 : Line Transient Response叼#/21L78M00 SERIESFigure 13 : Fixed Output RegulatorNOTE：1 To specify an output voltage, substitu

37、te voltage value for HXX".2. Although no output capacitor is need for stability .it does improve transient response.3. Required if regulator is locate an appreciable distance from power supply filter.Figure 14 :Figure 15 :15/21L78M00 SERIES#/21L78M00 SERIESFigure 16 : Adjustable Output Regulato

38、r (7 to 30V)V0 = Vxx51-#/21L78M00 SERIES#/21L78M00 SERIES033jFOlfJFFigure 18 : High Current Voltage RegulatorRi = _Vbeqi_ lREQ'ro = 'reg + Q1 (IrEG Y賈1 Figure 19 : High Output Current with Short Circuit#/21L78M00 SERIES#/21L78M00 SERIES17/21L78M00 SERIES#/21L78M00 SERIESFigure 20 : Tracking

39、Voltage RegulatorFigure 21 : High Input Voltage CircuitV|N = V|.(VZ + VBE)19/21L78M00 SERIES#/21L78M00 SERIESFigure 24 : Adjustable Output Voltage with Temperature Compensation9Vo = Vxx(1 + ) +VbeNOTE: Q2 is connected as a diode in order to compensate the variation of the Q Vbe with the temperature

40、C allows a slow risetime of the Vq.#/21L78M00 SERIESTO-220FP MECHANICAL DATADIM.mm.inchMIN.TYPMAX.MIN.TYP.MAX.A4.404.600.1730.181c1.231.320.0480.051D2.402.720.0940.107D11.270.050E0.490.700.0190.027F0.610.880.0240.034F11.141.700.0440.067F21.141.700.0440.067G4.955 150.1940 203G12.42.70.0940.106H210.01

41、0.400.3930.409L216.40.645L413.014.00.5110.551L52.652.950.1040.116L615.2515.750.6000.620L76.26.60.2440.260L93.53.930.1370.154DIA.3.753.850.1470.151DIM.mm.inchMIN.TYPMAX.MIN.TYP.MAX.A4.404.600.1730.181B2.52.70.0980.106D2.52.750.0980.108E0.450.700.0170.027F0.7510.0300.039F11.151.500.0450.059F21.151.500

42、.0450.059G4.955.20.1940.204G12.42.70.0940.106H10.010.400.3930.409L2160.630L328.630.61.1261.204L49.810.60.3850.417L615.916.40.6260.645L799.30.3540.366DIA.33.20.1180.126叼23/21L78M00 SERIESIPAK MECHANICAL DATADIM.mm.inchMIN.TYPMAX.MIN.TYP.MAX.A2.22.40.0860.094A10.91.10.0350.043A20.030.230.0010.009B0.64

43、0.90.0250.035B25.25.40.2040.212c0.450.60.0170.023C20.480.60.0190.023D66.20.2360.244D15.10.200E6.46.60.2520.260E14.70.185e2.280.090e14.44.60 1730.181H9.3510.10.3680.397L10.039(L1)2.80.110L20.80.031L40.610.0230.039L2THERMAL PAD0068772-FDIM.mm.inchMIN.TYPMAX.MIN.TYP.MAX.A2.22.40.0860.094A10.91.10.0350.043B0.640.90.0250.035B25.25.40.2040.212B30.950.037B50.30.012B60.950.037C0.450.60.0170.023C20.480.60.0190.023D66.20.2360.244E6.46.60.2520.260G4.44.60.1730.181H15.916.30.6260.641L99.40.3540.370L10.81.20.0310.047L20.810.0310.039L2833 wB5/IIIIIIcIIB2II