National Semiconductor | High-performance Analog

 

 LM78M05   
3-Terminal Positive Voltage Regulators 		Click link to Download

Features
  • Output current in excess of 0.5A
  • No external components
  • Internal thermal overload protection
  • Internal short circuit current-limiting
  • Output transistor safe-area compensation
  • Available in TO-220, TO-39, and TO-252 D-PAK packages
  • Output voltages of 5V, 12V, and 15V

    • Description

    The LM341 and LM78MXX series of three-terminal positive voltage regulators employ built-in current limiting, thermal shutdown, and safe-operating area protection which makes them virtually immune to damage from output overloads.

    With adequate heatsinking, they can deliver in excess of 0.5A output current. Typical applications would include local (on-card) regulators which can eliminate the noise and degraded performance associated with single-point regulation.

    Also Recommended
    LM3480▲Better Line/Load/Dropout Voltage
    LP38691▲Lower Dropout Voltage , Higher Reference Voltage Accuracy
    LP38693▲Lower Dropout Voltage , Higher Reference Voltage Accuracy , Enable Pin
    LP3878-ADJ▲Lower Noise , Lower Dropout Voltage , Higher Reference Voltage Accuracy
    LM341▲Direct Replacement



    Typical Application
    click for larger image


    		Connection Diagram
    click for larger image



    Typical Performance
    click for larger image


    Parameters / ValuesLM78M05 LM3480 LP38691 LP38693 LP3878-ADJ LM341
    Output Current500 mA 100 mA 500 mA 500 mA 800 mA 500 mA
    Output Voltage5 Volt 3.3, 12, 15, 5 Volt 1.8, 5.0, 5.5, 2.5, 3.3 Volt 1.8, 5.0, 2.5, 3.3 Volt Undefined Volt 15, 5 Volt
    Input Min Voltage7.2 Volt 2.7 Volt 2.7 Volt 2.5 Volt 7.5, 18 Volt
    Input Max Voltage35 Volt 30 Volt 10 Volt 10 Volt 16 Volt 35 Volt
    Adjustable OutputNo No No No Yes No
    On/Off PinNo No No Yes Yes No
    PowerGood / Error FlagNo No No No No No
    Temperature Min-40 deg C -40 deg C -40 deg C -40 deg C -40 deg C -40 deg C
    Temperature Max125 deg C 125 deg C 125 deg C 125 deg C 125 deg C 125 deg C
    RegTypeLinear Regulator QuasiLDO LDO LDO LDO Linear Regulator

    Datasheets
    TitleSizeDateOther
    Language
    LM78M05 3-Terminal Positive Voltage Regulators735
    Kbytes    		17-Aug-05   

    Part Number(s)
    (NSID)    		Top ViewAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LM78M05CDT/NOPB

    LM78M05CDT

    RoHS Status

    TO-252    		Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    ARROWWorldwide1712
    AVNET-EMWorldwide522
    DIGI-KEYWorldwide1752
    FARNELLEurope and Asia1411
    MOUSERWorldwide1465
    NEWARKAmericas651
    RS COMPONENTSWorldwide620
    TAYLORAmericas1712
    		$0.46 each at 1K+ pcsrail
    of
    75
    LM78M05CDTX/NOPB

    LM78M05CDTX

    RoHS Status

    TO-252    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    ARROWWorldwide2995
    AVNET-EMWorldwide7500
    DIGI-KEYWorldwide0
    MOUSERWorldwide1903
    TAYLORAmericas18811
    		$0.46 each at 1K+ pcsreel
    of
    2500
    LM78M05CT/NOPB

    LM78M05CT

    RoHS Status

    TO-220    		Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    ARROWWorldwide9
    AVNET-EMWorldwide139
    DIGI-KEYWorldwide0
    FARNELLEurope and Asia71
    MOUSERWorldwide720
    NEWARKAmericas740
    RS COMPONENTSWorldwide1540
    TAYLORAmericas3567
    		$0.52 each at 1K+ pcsrail
    of
    45
    LM78M05CH/NOPB

    LM78M05CH

    RoHS Status

    TO-39    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    ARROWWorldwide93
    DIGI-KEYWorldwide468
    MOUSERWorldwide476
    TAYLORAmericas93
    		$5.30 each at 1K+ pcsbox
    of
    500

    Obsolete Versions
    Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
    LM78M05C MWC
    		NONE
    		NATIONAL SEMICONDUCTOR
    		03 Dec 2008

    All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

    Moisture Sensitivity Level Data for LM78M05.

    A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

    National's certificate of product compliance for LM78M05 is located at RoHS Status.

    Part Number(s)
    (NSID)    		Weight
    (milligrams)    		TypePinsMSL RatingPeak ReflowRoHS
    Status    		CAD SymbolsModelsPackage
    Marking
    Format
    LM78M05CDT/NOPB

    LM78M05CDT
    		288.252
    289.002
    		TO-25232
    1    		260
    235    		DetailN/AN/A
    		NSUZXYTT
    LM78M05
    CDT
    LM78M05CDTX/NOPB

    LM78M05CDTX
    		288.252
    289.002
    		TO-25232
    1    		260
    235    		DetailN/AN/A
    		NSUZXYTT
    LM78M05
    CDT
    LM78M05CT/NOPB

    LM78M05CT
    		1991.805
    1993.446
    		TO-22031
    1    		NA
    NA    		DetailN/AN/A
    		NSUZXYTTE#
    LM341T-5.0
    LM78M05CT
    LM78M05CH/NOPB

    LM78M05CH
    		1032.657
    1032.657
    		TO-3931
    1    		NA
    NA    		DetailN/AN/A
    		NSZXYTTE# LM78M05CH

    All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

    Moisture Sensitivity Level Data for LM78M05.

    A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

    National's certificate of product compliance for LM78M05 is located at RoHS Status.

    CAD Symbols and Models
    N/A
    		 Models
    N/A


    Reliability Metrics
    Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
    LM78M05CDTSLM04404600353250011002356520
    LM78M05CDTXSLM04404600353250011002356520
    LM78M05CTSLM04404600353250011002356520

    Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

    For more information on Reliability Metrics, please click here.


    All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

    Moisture Sensitivity Level Data for LM78M05.

    A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

    National's certificate of product compliance for LM78M05 is located at RoHS Status.

    Obsolete Versions
    Obsolete PartAlternate Part or SupplierSourceLast Time Buy Date
    LM78M05C MWC
    		NONE
    		NATIONAL SEMICONDUCTOR
    		03 Dec 2008

    [Information as of 7-Feb-2012]
    Copyright © 2011 National Semiconductor Corporation