LM3481
(ACTIVE) High Efficiency Low-Side N-Channel Controller for Switching Regulators

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High Efficiency Low-Side N-Channel Controller for Switching Regulators - LM3481

Datasheet

Device Uses

  • Distributed Power Systems
  • Notebook, PDA, Digital Camera, and other Portable Applications
  • Offline Power Supplies
  • Set-Top Boxes

    • WEBENCH® LM3481
        Min   Max   Range  
      Vin – V    2.97 – 48.00V  
      Vout V    1.26 – 300.00V  
      Iout A    ≤ 20.00A  
      Ambient Temp °C    ≤ 100°C  
    Footprint BOM Cost Efficiency
     
     
     
    'U1 Rfb1 Rfb2 D1 M1 Rivp1 Rivp2 Cvcc Rfadj L1 Rs1 Rsense Csense Cbyp Cin Cout Rcomp Ccomp Ccomp2 '
     
    What are WEBENCH® tools?

    Sample & Buy

    Free Samples Buy from Authorized Distributors Part # Status Temp (oC) Price | QTY Package | Pins Device Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
    		LM3481MM/NOPB ACTIVE -40 to 125 0.90 | 1ku VSSOP (DGS) | 10 View 1000 | SMALL T&R >5K 1k quantity lead time: In stock
    Not Available Contact Distributor LM3481MMX/NOPB ACTIVE -40 to 125 0.90 | 1ku VSSOP (DGS) | 10 View 3500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office

    * Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

    Related Products

    Part # Name Product Family Comments
    LM3481-Q1   High Efficiency Low-Side N-Channel Controller for Switching Regulators   CONTROLLER (EXTERNAL SWITCH) - STEP-UP (BOOST) CONTROLLER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.  

    Technical Documents

    Datasheet (1)

    Title Type Size (KB) Date Views
    PDF 1178 03 Apr 2012

    Selection & Solution Guides (1)

    Title Type Size (KB) Date Views
    PDF 9158 11 Mar 2013 36,709

    Tools & Software

    Circuit Design & Simulation

    WEBENCH® LM3481
        Min   Max   Range  
      Vin – V    2.97 – 48.00V  
      Vout V    1.26 – 300.00V  
      Iout A    ≤ 20.00A  
      Ambient Temp °C    ≤ 100°C  
    Footprint BOM Cost Efficiency
     
     
     
    'U1 Rfb1 Rfb2 D1 M1 Rivp1 Rivp2 Cvcc Rfadj L1 Rs1 Rsense Csense Cbyp Cin Cout Rcomp Ccomp Ccomp2 '
     
    What are WEBENCH® tools?

    Models (6)

    Title Category Type Size (KB) Date Views
    LM3481 PSpice Average Model PSpice Model ZIP 54 KB 25 Jan 2013 315 views
    LM3481 PSpice Transient Model PSpice Model ZIP 183 KB 25 Jan 2013 323 views
    LM3481 TINA-TI Line Transient Reference Design TINA-TI Reference Design TSC 104 KB 29 Apr 2013 48 views
    LM3481 TINA-TI Steady State Reference Design TINA-TI Reference Design TSC 105 KB 29 Apr 2013 42 views
    LM3481 TINA-TI Load Transient Reference Design TINA-TI Reference Design TSC 103 KB 07 Feb 2013 82 views
    LM3481 TINA-TI Transient Spice Model TINA-TI Spice Model ZIP 15 KB 07 Feb 2013 318 views

    Design Kits & Evaluation Modules (2)

    Name Part# Type
    High Efficiency Boost Switching Controller Eval Board with 12 Volt Output LM3481EVAL Evaluation Modules & Boards
    LM3481 SEPIC Evaluation Board LM3481SEPICEVAL Evaluation Modules & Boards

    Software (1)

    330mW AC or DC Tiny Flyback Converter Power Supply Reference Design CAD File  
    (ZIP 733 KB )    363 views, 27 Jan 2012  

    Development Tools (1)

    Name Part# Type
    Power Stage Designer of Most Commonly Used Switchmode Power Supplies POWERSTAGE-DESIGNER Circuit Design & Simulation

    Reference Designs (11)

    Description Part # Company
    24W Boost Converter Optimized for Low Profile/Small Area PMP7424 Texas Instruments
    330mW AC or DC Tiny Flyback Converter Power Supply Reference Design LM3481-REF Texas Instruments
    9.5V @ 1.5A Automotive Boost Converter PMP8536 Texas Instruments
    Automotive Range SEPIC Converter Delivers 12V@1A PMP8937 Texas Instruments
    Automotive range SEPIC converter delivers 4.5V@5.5A PMP8903.3 Texas Instruments
    Boost, 100.0V @ 10mA PMP7129 Texas Instruments
    Boost, 5.0V @ 0.9A PMP7185 Texas Instruments
    Sepic, 12.0-100.0V @ 10mA PMP7135 Texas Instruments
    Sepic, 6.0V @ 1.5A PMP7155 Texas Instruments
    Sepic, 7.8V @ 0.8A PMP7130 Texas Instruments
    Wide VIN LM3481 SEPIC Converter Provides Regulated 5V in Automotive Start-Stop Applications PMP8903.1 Texas Instruments


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