National Semiconductor | High-performance Analog

 

 LM2593HV   

SIMPLE SWITCHER Power Converter 150 KHz 2A Step-Down Voltage Regulator with Features
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Features
  • 3.3V, 5V, and adjustable output versions
  • Adjustable version output voltage range, 1.2V to 57V ±4% max over line and load conditions
  • Guaranteed 2A output load current
  • Available in 7-pin TO-220 and TO-263 (surface mount) Package
  • Input voltage range up to 60V
  • 150 kHz fixed frequency internal oscillator
  • Shutdown/Soft-start
  • Out of regulation error flag
  • Error flag delay
  • Low power standby mode, IQ typically 90 µA
  • High Efficiency
  • Thermal shutdown and current limit protection
  • Description

    The LM2593HV series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 2A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3V, 5V, and an adjustable output version.

    This series of switching regulators is similar to the LM2592HV with additional supervisory and performance features.

    Requiring a minimum number of external components, these regulators are simple to use and include internal frequency compensation†, improved line and load specifications, fixed-frequency oscillator, Shutdown/Soft-start, output error flag and flag delay.

    The LM2593HV operates at a switching frequency of 150 kHz thus allowing smaller sized filter components than what would be needed with lower frequency switching regulators. Available in a standard 7-lead TO-220 package with several different lead bend options, and a 7-lead TO-263 Surface mount package.

    Other features include a guaranteed ±4% tolerance on output voltage under all conditions of input voltage and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring typically 90 µA standby current. Self protection features include a two stage current limit for the output switch and an over temperature shutdown for complete protection under fault conditions.


    Applications

  • Simple high-efficiency step-down (buck) regulator
  • Efficient pre-regulator for linear regulators
  • On-card switching regulators
  • Positive to Negative converter
  • WEBENCH® LM2593HV
        Min   Max   Range  
      VIN V    4.50 – 60.00V  
      VOUT V    1.23 – 57.00V  
      IOUT A    ≤ 2.00A  
      Ambient Temp °C    ≤ 100°C  
    Footprint BOM Cost Efficiency
    What are WEBENCH® tools?



    Typical Performance
    *click for larger image


     

    ParametersValues
    Output Current 2000 mA
    Input Min Voltage 4.5 Volt
    Input Max Voltage 60 Volt
    Output Min 5 Volt
    Output Max 5 Volt
    Frequency Min 150 kHz
    Frequency Max 150 kHz
    Efficiency (peak) 81 %
    On/Off Pin Yes
    PowerGood / Error Flag Yes
    SoftStart Yes
    Sync Pin No
    Inverting Yes
    Flyback No
    RegType Switching Regulator
    Temperature Min -40 deg C
    Temperature Max 125 deg C
    Adjustable Output Yes
    Adj Switch Frequency No
    PWM Mode Voltage
    Topology Buck
    Special Features SIMPLE SWITCHER regulator, error output delay
    Step-Down Yes
    Multiple Output Capability No
    Output Power Undefined Watt
    Output Voltage 5 Volt
    Output Range 5V
    Switching Frequency 150 kHz
    Regulator Family SIMPLE SWITCHER
    Synchronous Rectification No

    Datasheets
    TitleSizeDateOther
    Language
    LM2593HV SIMPLE SWITCHER Power Converter 150 KHz 2A Step-Down Voltage Regulator with Features753
    Kbytes
    5-Dec-01   


    Other Technical Documents
    TitleTypeDate
    Wide-Input, High-Voltage Buck ConverterApp Note 2002-06-21
    Comparing Topologies and the (Design) Rules of the GameTechnology Edge 2003-03-01
    Reducing Converter StressesTechnology Edge 2002-11-01
    It's a Buck; It's a Boost, No! It's a Switcher! (part four)Technology Edge 2003-09-01

    Part Number(s)
    (NSID)
    Top ViewAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LM2593HVS-3.3/NOPB

    LM2593HVS-3.3

    RoHS Status


    TO-263
    Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    ARROWWorldwide189
    AVNET-EMWorldwide135
    DIGI-KEYWorldwide87
    MOUSERWorldwide135
    TAYLORAmericas189
    $2.69 each at 1K+ pcsrail
    of
    45
    LM2593HVS-5.0/NOPB

    LM2593HVS-5.0

    RoHS Status


    TO-263
    Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    ARROWWorldwide45
    AVNET-EMWorldwide318
    DIGI-KEYWorldwide1480
    MOUSERWorldwide130
    NEWARKAmericas186
    TAYLORAmericas106
    $2.69 each at 1K+ pcsrail
    of
    45
    LM2593HVS-ADJ/NOPB

    LM2593HVS-ADJ

    RoHS Status


    TO-263
    Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    ARROWWorldwide97
    AVNET-EMWorldwide164
    DIGI-KEYWorldwide588
    FARNELLEurope and Asia140
    MOUSERWorldwide115
    NEWARKAmericas81
    TAYLORAmericas230
    $2.69 each at 1K+ pcsrail
    of
    45
    LM2593HVSX-3.3/NOPB

    LM2593HVSX-3.3

    RoHS Status


    TO-263
    Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    $2.69 each at 1K+ pcsreel
    of
    500
    LM2593HVSX-5.0/NOPB

    LM2593HVSX-5.0

    RoHS Status


    TO-263
    Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    AVNET-EMWorldwide985
    DIGI-KEYWorldwide0
    MOUSERWorldwide500
    $2.69 each at 1K+ pcsreel
    of
    500
    LM2593HVSX-ADJ/NOPB

    LM2593HVSX-ADJ

    RoHS Status


    TO-263
    Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    ARROWWorldwide1500
    AVNET-EMWorldwide1000
    DIGI-KEYWorldwide0
    MOUSERWorldwide495
    TAYLORAmericas1500
    $2.69 each at 1K+ pcsreel
    of
    500
    LM2593HVT-3.3/NOPB

    LM2593HVT-3.3

    RoHS Status


    TO-220
    Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    $2.69 each at 1K+ pcsrail
    of
    45
    LM2593HVT-5.0/NOPB

    LM2593HVT-5.0

    RoHS Status


    TO-220
    Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    ARROWWorldwide170
    DIGI-KEYWorldwide322
    MOUSERWorldwide135
    TAYLORAmericas170
    $2.69 each at 1K+ pcsrail
    of
    45
    LM2593HVT-ADJ/NOPB

    LM2593HVT-ADJ

    RoHS Status


    TO-220
    Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    AVNET-EMWorldwide110
    DIGI-KEYWorldwide982
    $2.69 each at 1K+ pcsrail
    of
    45

    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 LM2593HV.

    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 LM2593HV is located at RoHS Status.

    Part Number(s)
    (NSID)
    DescriptionAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LM2593HVEVAL
    SIMPLE SWITCHER Power Converter 150 KHz 2A Step-Down Voltage Regulator with FeaturesFull production


     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    MOUSERWorldwide1
    $33.10 each1

    Description:

    SIMPLE SWITCHER® Power Converter 150 kHz 2A Step-Down Voltage Regulator, with Features

    Features:

    • 3.3V, 5V, and adjustable output versions
    • Adjustable version output voltage range, 1.2V to 57V ?4% max over line and load conditions
    • Guaranteed 2A output load current
    • Available in 7-pin TO-220 and TO-263 (surface mount) package
    • Input voltage range up to 60V
    • 150 kHz fixed frequency internal oscillator
    • Shutdown/Soft-start
    • Out of regulation error flag
    • Error flag delay
    • Low power standby mode, IQ typically 90 mA
    • High efficiency
    • Thermal shutdown and current limit protection

    Contents:

    • A fully assembled LM2593HV evaluation board
    • Application note for LM2593HV
    • Datasheets for LM259XHV
    • Simple Switcher selection guide



    National Semiconductor follows the provisions of the Product Stewardship Guide for Customers (CSP-9-111C1) and Banned Substances and Materials of Interest Specification (CSP-9-111S2) for regulatory environmental compliance. Details may be found at: www.national.com/en/packaging/greennopb.html. Lead free products are RoHS compliant.

    Lead Free product status is available through the search tool located here

    Part Number(s)
    (NSID)
    Weight
    (milligrams)
    TypePinsMSL RatingPeak ReflowRoHS
    Status
    CAD SymbolsModelsPackage
    Marking
    Format
    LM2593HVS-3.3/NOPB

    LM2593HVS-3.3
    1608.332
    1609.822
    TO-26373
    3
    245
    235
    DetailDownloadN/A
    NSUZXYTTE#
    LM2593HVS
    -3.3 P+
    LM2593HVS-5.0/NOPB

    LM2593HVS-5.0
    1608.332
    1609.822
    TO-26373
    3
    245
    235
    DetailDownloadN/A
    NSUZXYTTE#
    LM2593HVS
    -5.0 P+
    LM2593HVS-ADJ/NOPB

    LM2593HVS-ADJ
    1608.332
    1609.822
    TO-26373
    3
    245
    235
    DetailDownloadN/A
    NSUZXYTTE#
    LM2593HVS
    -ADJ P+
    LM2593HVSX-3.3/NOPB

    LM2593HVSX-3.3
    1608.332
    1609.822
    TO-26373
    3
    245
    235
    DetailDownloadN/A
    NSUZXYTTE#
    LM2593HVS
    -3.3 P+
    LM2593HVSX-5.0/NOPB

    LM2593HVSX-5.0
    1608.332
    1609.822
    TO-26373
    3
    245
    235
    DetailDownloadN/A
    NSUZXYTTE#
    LM2593HVS
    -5.0 P+
    LM2593HVSX-ADJ/NOPB

    LM2593HVSX-ADJ
    1608.332
    TO-26373
    3
    245
    235
    DetailDownloadN/A
    NSUZXYTTE#
    LM2593HVS
    -ADJ P+
    LM2593HVT-3.3/NOPB

    LM2593HVT-3.3
    1846.782
    1858.793
    TO-22071
    1
    NA
    NA
    DetailDownloadN/A
    NSUZXYTTE#
    LM2593HVT
    -3.3 P+
    LM2593HVT-5.0/NOPB

    LM2593HVT-5.0
    1846.782
    1858.793
    TO-22071
    1
    NA
    NA
    DetailDownloadN/A
    NSUZXYTTE#
    LM2593HVT
    -5.0 P+
    LM2593HVT-ADJ/NOPB

    LM2593HVT-ADJ
    1846.782
    1858.793
    TO-22071
    1
    NA
    NA
    DetailDownloadN/A
    NSUZXYTTE#
    LM2593HVT
    -ADJ P+

    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 LM2593HV.

    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 LM2593HV is located at RoHS Status.

    Design Tools
    TitleSizeDate
    SimpleSwitcher® DC-DC Converters Design Software  

    CAD Symbols and Models
    Download LM2593HV CAD Symbols
     Models
    N/A


    Reliability Metrics
    Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
    LM2593HVS-3.3LB30003437100416450011181688246
    LM2593HVS-5.0LB30003437100416450011181688246
    LM2593HVS-ADJLB30003437100416450011181688246
    LM2593HVSX-3.3LB30003437100416450011181688246
    LM2593HVSX-5.0LB30003437100416450011181688246
    LM2593HVSX-ADJLB30003437100416450011181688246
    LM2593HVT-3.3LB30003437100416450011181688246
    LM2593HVT-5.0LB30003437100416450011181688246
    LM2593HVT-ADJLB30003437100416450011181688246

    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 LM2593HV.

    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 LM2593HV is located at RoHS Status.

    [Information as of 9-Feb-2012]