National Semiconductor | High-performance Analog

 

 LM2830   
High Frequency 1.0A Load - Step-Down DC-DC Regulator 		Click link to Download

Features

  • LM2830ZQ and LM2830XQ in the SOT23-5 package are Automotive Grade products that are AEC-Q100 grade 1 qualified (-40°C to +125°C operating junction temperature)
  • Space Saving SOT23-5 Package
  • Input voltage range of 3.0V to 5.5V
  • Output voltage range of 0.6V to 4.5V
  • 1.0A output current
  • High Switching Frequencies

  •  1.6MHz (LM2830X)

  •  3.0MHz (LM2830Z)
  • 130mΩ PMOS switch
  • 0.6V, 2% Internal Voltage Reference
  • Internal soft-start
  • Current mode, PWM operation
  • Thermal Shutdown
  • Over voltage protection

    • Description

    The LM2830 regulator is a monolithic, high frequency, PWM step-down DC/DC converter in a 5 pin SOT23 and a 6 Pin LLP package. It provides all the active functions to provide local DC/DC conversion with fast transient response and accurate regulation in the smallest possible PCB area. With a minimum of external components, the LM2830 is easy to use. The ability to drive 1.0A loads with an internal 130 mΩ PMOS switch using state-of-the-art 0.5 µm BiCMOS technology results in the best power density available. The world-class control circuitry allows on-times as low as 30ns, thus supporting exceptionally high frequency conversion over the entire 3V to 5.5V input operating range down to the minimum output voltage of 0.6V. Switching frequency is internally set to 1.6 MHz, or 3.0 MHz, allowing the use of extremely small surface mount inductors and chip capacitors. Even though the operating frequency is high, efficiencies up to 93% are easy to achieve. External shutdown is included, featuring an ultra-low stand-by current of 30 nA. The LM2830 utilizes current-mode control and internal compensation to provide high-performance regulation over a wide range of operating conditions. Additional features include internal soft-start circuitry to reduce inrush current, pulse-by-pulse current limit, thermal shutdown, and output over-voltage protection.


    Applications

  • Local 5V to Vcore Step-Down Converters
  • Core Power in HDDs
  • Set-Top Boxes
  • USB Powered Devices
  • DSL Modems
  • Automotive

    • WEBENCH® LM2830X
        Min   Max   Range  
      Vin V    3.00 – 5.50V  
      Vout V    0.60 – 4.50V  
      Iout A    ≤ 1.00A  
      Ambient Temp °C    ≤ 100°C  
    Footprint BOM Cost Efficiency
     
     
     
     
    What are WEBENCH® tools?

    Also Recommended
    LM2831▲1.5A Version
    LM2832▲2.0A Version



    Typical Application
    click for larger image


    		Block Diagram
    click for larger image



    Typical Performance
    *click for larger image


    Parameters / ValuesLM2830 LM2831 LM2832
    Output Current1000 mA 1500 mA 2000 mA
    Input Min Voltage3 Volt 3 Volt 3 Volt
    Input Max Voltage5.5 Volt 5.5 Volt 5.5 Volt
    Output Min0.6 Volt 0.6 Volt 0.6 Volt
    Output Max4.5 Volt 4.5 Volt 4.5 Volt
    Frequency Min3000, 1600 kHz 3000, 1600, 550 kHz 300, 1600, 550 kHz
    Frequency Max3000, 1600 kHz 3000, 1600, 550 kHz 3000, 1600, 550 kHz
    Efficiency (peak)93 % 93 % 93 %
    On/Off PinYes Yes Yes
    PowerGood / Error FlagNo No No
    SoftStartYes Yes Yes
    Sync PinNo No No
    InvertingNo No No
    FlybackNo No No
    RegTypeSwitching Regulator Switching Regulator Switching Regulator
    Temperature Min-40 deg C -40 deg C -40 deg C
    Temperature Max125 deg C 125 deg C 125 deg C
    Adjustable OutputYes Yes Yes
    Adj Switch FrequencyNo No No
    PWM ModeCurrent Current Current
    TopologyBuck Buck Buck
    Special FeaturesInternal compensation Internal compensation Internal compensation
    Step-DownYes Yes Yes
    Multiple Output CapabilityNo No No
    Output PowerUndefined Watt Undefined Watt Undefined Watt
    Output VoltageUndefined Volt Undefined Volt Undefined Volt
    Output Range0.6V to 4.5V 0.6V to 4.5V 0.6V to 4.5V
    Switching Frequency3000, 1600 kHz 3000, 1600, 550 kHz 3000, 1600, 550 kHz
    Feedback VoltageUndefined Volt Undefined Volt Undefined Volt
    Regulator FamilyUndefined Undefined Undefined
    AEC Q-100 Automotive Grade1
    AutomotiveYes Yes Yes
    Synchronous RectificationNo No No

    Datasheets
    TitleSizeDateOther
    Language
    LM2830 High Frequency 1.0A Load - Step-Down DC-DC Regulator508
    Kbytes    		17-Dec-10日本語  


    Other Technical Documents
    TitleTypeDate
    Best Layout Practices for Switching Power SuppliesPower Designer 2007-03-21
    Calculating Losses and Junction Temperature for High-Power-Density Switching ConvertersPower Designer 2007-11-30

    Part Number(s)
    (NSID)    		Top ViewAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LM2830XMF/NOPB

    LM2830XMF

    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    ARROWWorldwide3940
    AVNET-EMWorldwide2000
    DIGI-KEYWorldwide5904
    FARNELLEurope and Asia1910
    MOUSERWorldwide616
    NEWARKAmericas820
    RS COMPONENTSWorldwide20
    TAYLORAmericas3940
    		$0.99 each at 1K+ pcsreel
    of
    1000
    LM2830XMFX/NOPB

    LM2830XMFX

    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    ARROWWorldwide18000
    AVNET-EMWorldwide3000
    DIGI-KEYWorldwide0
    TAYLORAmericas18000
    		$0.99 each at 1K+ pcsreel
    of
    3000
    LM2830XQMF/NOPB

    Auto Grade 1
    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    		$1.19 each at 1K+ pcsreel
    of
    1000
    LM2830XQMFE/NOPB

    Auto Grade 1
    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    ARROWWorldwide250
    AVNET-EMWorldwide500
    DIGI-KEYWorldwide808
    MOUSERWorldwide500
    TAYLORAmericas250
    		$1.19 each at 1K+ pcsreel
    of
    250
    LM2830XQMFX/NOPB

    Auto Grade 1
    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    		$1.19 each at 1K+ pcsreel
    of
    3000
    LM2830ZMF/NOPB

    LM2830ZMF

    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    ARROWWorldwide1000
    AVNET-EMWorldwide650
    DIGI-KEYWorldwide5684
    MOUSERWorldwide870
    RS COMPONENTSWorldwide2
    TAYLORAmericas1000
    		$0.99 each at 1K+ pcsreel
    of
    1000
    LM2830ZMFX/NOPB

    LM2830ZMFX

    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    AVNET-EMWorldwide3000
    DIGI-KEYWorldwide0
    		$0.99 each at 1K+ pcsreel
    of
    3000
    LM2830ZQMF/NOPB


    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    		$1.19 each at 1K+ pcsreel
    of
    1000
    LM2830ZQMFE/NOPB


    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    DIGI-KEYWorldwide500
    MOUSERWorldwide500
    		$1.19 each at 1K+ pcsreel
    of
    250
    LM2830ZQMFX/NOPB


    RoHS Status

    SOT-23    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    		$1.19 each at 1K+ pcsreel
    of
    3000
    LM2830ZSD/NOPB

    LM2830ZSD

    RoHS Status

    LLP    		Full production
    Lead Time: 6 weeks

    Samples
    DistributorRegionQty
    DIGI-KEYWorldwide621
    MOUSERWorldwide1000
    		$0.99 each at 1K+ pcsreel
    of
    1000
    LM2830ZSDX/NOPB

    LM2830ZSDX

    RoHS Status

    LLP    		Full production
    Lead Time: 6 weeks

     
    DistributorRegionQty
    DIGI-KEYWorldwide0
    		$0.99 each at 1K+ pcsreel
    of
    4500

    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 LM2830.

    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 LM2830 is located at RoHS Status.

    Part Number(s)
    (NSID)    		Weight
    (milligrams)    		TypePinsMSL RatingPeak ReflowRoHS
    Status    		CAD SymbolsModelsPackage
    Marking
    Format
    LM2830XMF/NOPB

    LM2830XMF
    		14.696
    14.801
    		SOT-2351
    1    		260
    260    		DetailDownloadN/A
    		SKTB
    XTT
    LM2830XMFX/NOPB

    LM2830XMFX
    		14.696
    14.801
    		SOT-2351
    1    		260
    260    		DetailDownloadN/A
    		SKTB
    XTT
    LM2830XQMF/NOPB

    		14.696
    		SOT-2351260DetailDownloadN/A
    		SUFB
    XTT
    LM2830XQMFE/NOPB

    		14.696
    		SOT-2351260DetailDownloadN/A
    		SUFB
    XTT
    LM2830XQMFX/NOPB

    		14.696
    		SOT-2351260DetailDownloadN/A
    		SUFB
    XTT
    LM2830ZMF/NOPB

    LM2830ZMF
    		14.696
    14.801
    		SOT-2351
    1    		260
    260    		DetailDownloadN/A
    		SKXB
    XTT
    LM2830ZMFX/NOPB

    LM2830ZMFX
    		14.696
    14.801
    		SOT-2351
    1    		260
    260    		DetailDownloadN/A
    		SKXB
    XTT
    LM2830ZQMF/NOPB

    		SOT-2351260DetailDownloadN/A
    		SURB
    XTT
    LM2830ZQMFE/NOPB

    		SOT-2351260DetailDownloadN/A
    		SURB
    XTT
    LM2830ZQMFX/NOPB

    		SOT-2351260DetailDownloadN/A
    		SURB
    XTT
    LM2830ZSD/NOPB

    LM2830ZSD
    		21.032
    21.102
    		LLP63
    3    		260
    260    		DetailDownloadN/A
    		ZXYTT
    L192B
    LM2830ZSDX/NOPB

    LM2830ZSDX
    		21.032
    21.102
    		LLP63
    3    		260
    260    		DetailDownloadN/A
    		ZXYTT
    L192B

    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 LM2830.

    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 LM2830 is located at RoHS Status.

    CAD Symbols and Models
    Download LM2830 CAD Symbols
    		 Models
    N/A


    Reliability Metrics
    Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
    LM2830XMFPVIP0500142800017550003497986041
    LM2830XMFXPVIP0500142800017550003497986041
    LM2830XQMFPVIP0500142800017550003497986041
    LM2830XQMFEPVIP0500142800017550003497986041
    LM2830XQMFXPVIP0500142800017550003497986041
    LM2830ZMFPVIP0500142800017550003497986041
    LM2830ZMFXPVIP0500142800017550003497986041
    LM2830ZQMFPVIP0500142800017550003497986041
    LM2830ZQMFEPVIP0500142800017550003497986041
    LM2830ZQMFXPVIP0500142800017550003497986041
    LM2830ZSDPVIP0500142800017550003497986041
    LM2830ZSDXPVIP0500142800017550003497986041

    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 LM2830.

    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 LM2830 is located at RoHS Status.

    [Information as of 8-Feb-2012]
    Copyright © 2011 National Semiconductor Corporation