National Semiconductor | High-performance Analog

 

 LMZ10504   

4A, SIMPLE SWITCHER® Power Module with 5.5V Maximum Input Voltage
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Features

Electrical Specifications

  • 20W maximum total output power
  • Up to 4A output current
  • Input voltage range 2.95V to 5.5V
  • Output voltage range 0.8V to 5V
  • ±1.63% feedback voltage accuracy over temperature
  • Efficiency up to 96%
  • Key Features

  • Integrated shielded inductor
  • Flexible startup sequencing using external soft-start, tracking, and precision enable
  • Protection against in-rush currents and faults such as input UVLO and output short-circuit
  • -40°C to +125°C junction temperature operating range
  • Single exposed pad and standard pinout for easy mounting and manufacturing
  • Pin-to-pin compatible with

  • LMZ10503 (3A/15W max)

  • LMZ10505 (5A/25W max)
  • Fully enable for WEBENCH® and Power Designer
  • Performance Benefits

  • Operates at high ambient temperatures
  • High efficiency up to 96% reduces system heat generation
  • Low radiated emissions (EMI) complies with EN55022 class B standard
  • Passes 10V/m radiated immunity EMI test standard EN61000 4-3
  • Low output voltage ripple of 10 mV allows for powering noise-sensitive transceiver and signaling ICs
  • Fast transient response for powering FPGAs and ASICs
  • Description

    The LMZ10504 SIMPLE SWITCHER® power module is a complete, easy-to-use DC-DC solution capable of driving up to a 4A load with exceptional power conversion efficiency, output voltage accuracy, line and load regulation. The LMZ10504 is available in an innovative package that enhances thermal performance and allows for hand or machine soldering.

    The LMZ10504 can accept an input voltage rail between 2.95V and 5.5V and deliver an adjustable and highly accurate output voltage as low as 0.8V. One megahertz fixed frequency PWM switching provides a predictable EMI characteristic. Two external compensation components can be adjusted to set the fastest response time, while allowing the option to use ceramic and/or electrolytic output capacitors. Externally programmable soft-start capacitor facilitates controlled startup. The LMZ10504 is a reliable and robust solution with the following features: lossless cycle-by-cycle peak current limit to protect for over current or short-circuit fault, thermal shutdown, input under-voltage lock-out, and pre-biased startup.


    Applications

  • Point-of-load conversions from 3.3V and 5V rails
  • Space constrained applications
  • Extreme temperatures/no air flow environments
  • Noise sensitive applications (i.e. transceiver, medical)
  • WEBENCH® LMZ10504
        Min   Max   Range  
      VIN V    2.95 – 5.50V  
      VOUT V    0.80 – 4.50V  
      IOUT A    ≤ 4.00A  
      Ambient Temp °C    ≤ 100°C  
    Footprint BOM Cost Efficiency
    What are WEBENCH® tools?


    Also Recommended
    LMZ105033A Version, Pin-to-Pin Compatible
    LMZ10504EXTExtended Temperature Version, Additional Shock And Vibration Testing
    LMZ105055A Version, Pin-to-Pin Compatible



    Parameters / ValuesLMZ10504 LMZ10503 LMZ10504EXT LMZ10505
    Output Current4000 mA 3000 mA 4000 mA 5000 mA
    Input Min Voltage2.95 Volt 2.95 Volt 2.95 Volt 2.95 Volt
    Input Max Voltage5.5 Volt 5.5 Volt 5.5 Volt 5.5 Volt
    Output Min0.8 Volt 0.8 Volt 0.8 Volt 0.8 Volt
    Output Max5 Volt 5 Volt 5 Volt 5 Volt
    Frequency MinUndefined kHz
    Frequency MaxUndefined kHz
    Efficiency (peak)96 % 96 % 96 % 96 %
    Integrated InductorYes Yes Yes Yes
    PowerGood / Error FlagNo No No No
    SoftStartYes Yes Yes Yes
    Sync PinNo No No No
    InvertingNo No No No
    FlybackNo No No No
    RegTypePower Module Power Module Power Module Power Module
    Temperature Min-40 deg C -40 deg C -55 deg C -40 deg C
    Temperature Max125 deg C 125 deg C 125 deg C 125 deg C
    Adjustable OutputYes Yes Yes Yes
    Adj Switch FrequencyNo No No No
    PWM ModeVoltage Mode Control Voltage Mode Control Voltage Mode Control Voltage Mode Control
    TopologyBuck Buck Buck Buck
    Special FeaturesLow EMI Low EMI Low EMI Low EMI
    Step-DownYes Yes Yes Yes
    Multiple Output CapabilityNo No No No
    Output Power20 Watt 15 Watt 20 Watt 25 Watt
    Output VoltageUndefined Volt
    Output Range0.8V to 5.0V 0.8V to 5.0V 0.8V to 5.0V 0.8V to 5.0V
    Switching Frequency1000 kHz 1000 kHz 1000 kHz 1000 kHz
    Feedback Voltage0.8 Volt 0.8 Volt 0.8 Volt 0.8 Volt
    On/Off PinYes Yes Yes Yes
    Regulator FamilySIMPLE SWITCHER SIMPLE SWITCHER SIMPLE SWITCHER SIMPLE SWITCHER
    AEC Q-100 Automotive GradeUndefined
    AutomotiveNo No No No
    PowerWiseYes Yes Yes Yes
    Synchronous RectificationYes Yes Yes Yes
    Quiescent Current1.7 mA 1.7 mA 1.7 mA 1.7 mA

    Datasheets
    TitleSizeDateOther
    Language
    LMZ10504 4A, SIMPLE SWITCHER® Power Module with 5.5V Maximum Input Voltage641
    Kbytes
    16-Jun-11日本語
    中文


    Application Notes
    TitleSizeDateOther
    Language
    AN-2022: Application Note 2022 LMZ1050x Evaluation Board726
    Kbytes
    12-Aug-10 中文
    AN-2013: Application Note 2013 LMZ1050x SIMPLE SWITCHER Power Module - Quick Compensation Design227
    Kbytes
    8-Oct-10 中文
    AN-2030: Application Note 2030 LMZ10503 / LMZ10504 Demo Board SIMPLE SWITCHER® Power Module Quick Start Guide780
    Kbytes
    14-Sep-11 
    AN-2078: Application Note 2078 PCB Layout for National Semiconductor`s SIMPLE SWITCHER® Power Modules513
    Kbytes
    16-Sep-10 
    AN-2026: Application Note 2026 The Effect of PCB Design on the Thermal Performance of SIMPLE SWITCHER® Power Modules443
    Kbytes
    8-Feb-10 中文
    AN-2145: Application Note 2145 Power Considerations for SDI Products558
    Kbytes
    24-Aug-11 
    AN-2162: Application Note 2162 Simple Success With Conducted EMI From DC-DC Converters2031
    Kbytes
    27-Jan-12 
    AN-2052: Application Note 2052 National Semiconductor’s Simple Switcher® Power Modules and EMI153
    Kbytes
    26-Apr-10 中文
    AN-2146: Application Note 2146 Power Design for SDI and other Noise Sensitive Devices516
    Kbytes
    9-Aug-11 
    AN-2020: Application Note 2020 Thermal Design By Insight, Not Hindsight603
    Kbytes
    13-Jun-11 中文


    Other Technical Documents
    TitleTypeDate
    Power Supply Design Considerations for Modern FPGAsPower Designer 2010-02-02
    PCB Layout Techniques to Maximize Power Module PerformanceExternal Article 2010-08-22
    SIMPLE SWITCHER® Design GuideDesign Guide 2011-04-11

    Part Number(s)
    (NSID)
    Top ViewAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LMZ10504TZ-ADJ/NOPB


    RoHS Status


    TO-PMOD
    Full production
    Lead Time: 8 weeks

     
    DistributorRegionQty
    ARROWWorldwide844
    AVNET-EMWorldwide11
    CEACAsia Pacific1000
    DIGI-KEYWorldwide584
    FARNELLEurope and Asia205
    KEIKONGAsia Pacific2040
    MOUSERWorldwide317
    NEWARKAmericas205
    RSL MICROAsia Pacific750
    TAYLORAmericas844
    $4.50 each at 1K+ pcsreel
    of
    250
    LMZ10504TZE-ADJ/NOPB


    RoHS Status


    TO-PMOD
    Full production
    Lead Time: 10 weeks

    Samples
    DistributorRegionQty
    AVNET-EMWorldwide97
    DIGI-KEYWorldwide0
    MOUSERWorldwide80
    $4.50 each at 1K+ pcsrail
    of
    45
    LMZ10504TZX-ADJ/NOPB


    RoHS Status


    TO-PMOD
    Full production
    Lead Time: 10 weeks

     
    DistributorRegionQty
    AVNET-EMWorldwide988
    DIGI-KEYWorldwide0
    FARNELLEurope and Asia451
    MOUSERWorldwide445
    NEWARKAmericas451
    $4.50 each at 1K+ pcsreel
    of
    500

    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 LMZ10504.

    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 LMZ10504 is located at RoHS Status.

    Part Number(s)
    (NSID)
    DescriptionAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LMZ10504DEMO/NOPB

    Simple Switcher® Power Module 5.5Vin, 4A Demonstration BoardFull production
    Lead Free (RoHS)

     
    DistributorRegionQty
    AVNET-EMWorldwide5
    DIGI-KEYWorldwide0
    MOUSERWorldwide2
    $15.00 each1

    The SIMPLE SWITCHER power module demonstration board is optimized for peak performance and small footprint. The output voltage and fast transient response can be adjusted by replacing the small passive components. The good thermal performance of the power modules is showcased using a 2-layer 1oz copper PCB.

    Features

    • Integrated shielded inductor (inside the module)
    • Efficiency
      • Up to 96% (LMZ10504)
    • 2.5V output (output voltage is adjustable by changing 1 or 2 resistors)
    • Thermal performance
      • θJA = 20°C/W
      • θJC = 1.9°C/W
    • Uses 0603 passives on back side showcasing production ready layout
    • 2.3 in. x 1.7 in. (5.8 cm x 4.3 cm) 2-layer PCB. Uses 1oz copper on top and bottom

    Contents

    • LMZ10504 4A SIMPLE SWITCHER® Power Module with 5.5V Maximum Input Voltage Demonstration Board (blue soldermask)

    Other Resources


    Part Number(s)
    (NSID)
    DescriptionAvailabilityCurrent Reported StockBudgetary PricingPack
    Size
    LMZ10504EVAL/NOPB

    Simple Switcher® Power Module 5.5Vin, 4A Eval BoardFull production
    Lead Free (RoHS)

     
    DistributorRegionQty
    AVNET-EMWorldwide14
    DIGI-KEYWorldwide8
    MOUSERWorldwide2
    $24.00 each1

    The SIMPLE SWITCHER power module evaluation board is optimized for peak performance and increased flexibility. By incorporating additional ceramic and an aluminum filter capacitor, the power module EVAL board demonstrates the low output ripple, fast transient response, and low conducted and radiated EMI performance of the device. Adjusting the output voltage, optimizing the control loop circuitry, and fine-tuning the filter capacitance is ease, with convenient size and placement of the passive components on the board. Finally, the excellent thermal performance of the power modules is enhanced using a 4-layer 1oz copper PCB.

    Features

    • Integrated shielded inductor (inside the module)
    • Efficiency
      • Up to 96% (LMZ10504)
    • 2.5V output (output voltage is adjustable by changing 1 or 2 resistors)
    • Thermal performance
      • θJA = 20°C/W
      • θJC = 1.9°C/W
    • Uses 0805 passives on front side for easy modification of values to match requirements
    • 2.25" x 2.25" (5.8 cm x 5.8 cm) 4-layer PCB. Uses 1oz copper on top and bottom, 1/2 oz copper on inner layers

    Contents

    • LMZ10504 4A SIMPLE SWITCHER® Power Module with 5.5V Maximum Input Voltage Evaluation Board
    • Application Note 2022 for the LMZ10504 Evaluation Board

    Other Resources




    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
    LMZ10504TZ-ADJ/NOPB

    1556.015
    TO-PMOD73245DetailDownloadN/A
    NSUZXYTTE#
    LMZ10504
    TZ-ADJ
    LMZ10504TZE-ADJ/NOPB

    1556.015
    TO-PMOD73245DetailDownloadN/A
    NSUZXYTTE#
    LMZ10504
    TZ-ADJ
    LMZ10504TZX-ADJ/NOPB

    1556.015
    TO-PMOD73245DetailDownloadN/A
    NSUZXYTTE#
    LMZ10504
    TZ-ADJ

    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 LMZ10504.

    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 LMZ10504 is located at RoHS Status.

    Reliability Metrics
    Part Number Process EFR Reject EFR Sample Size PPM LTA Rejects LTA Device Hours FITS MTTF (Hours)
    LMZ10504TZ-ADJCMOS70213010015840003449464325
    LMZ10504TZE-ADJCMOS70213010015840003449464325
    LMZ10504TZX-ADJCMOS70213010015840003449464325

    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 LMZ10504.

    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 LMZ10504 is located at RoHS Status.

    What's New in Power Management -- February 2010
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    SIMPLE SWITCHER® Power Module Overview
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    Multi-Load Power Supply Design with WEBENCH Power Architect
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    SIMPLE SWITCHER Modules Power Avnet Spartan-6 Development Kit
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    What's New in Power Management -- February 2010
    Date: 2010-02-15
    Length: 0:6:02
    SIMPLE SWITCHER® Power Module Overview
    Date: 2010-01-25
    Length: 0:04:53
    Multi-Load Power Supply Design with WEBENCH Power Architect
    Date: 2010-01-21
    Length: 0:17:00
    SIMPLE SWITCHER Modules Power Avnet Spartan-6 Development Kit
    Date: 2010-02-16
    Length: 0:19:38
    [Information as of 8-Feb-2012]