MAX1967
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MAX1967

Low-Cost Voltage-Mode PWM Step-Down Controllers

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Info: : PRODUCTION tooltip
Part Details
Part Models 2
1ku List Price Starting From $2.32
Features
  • Cost-Optimized Design
  • No Schottky Diode or Current-Sense Resistor Required
  • >95% Efficiency
  • Low-Cost External Components
  • All N-Channel FET Design
  • 2.7V to 5.5V Input Range (MAX1966)
  • 2.7V to 28V Input Range (MAX1967)
  • 0.8V Feedback for Low-Voltage Outputs
  • 100kHz Switching Frequency Accommodates Low-Cost Components
  • Thermal Shutdown
  • Output Current-Limit and Short-Circuit Protection
  • Additional Details
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    The MAX1966/MAX1967 are voltage-mode pulse-width-modulated (PWM), step-down DC-DC controllers that are ideal for a variety of cost-sensitive applications. They drive low-cost N-MOSFETs for both the high-side switch and synchronous rectifier and require no external Schottky power diode or current-sense resistor. Short- circuit and current-limit protection is provided by sensing the drain-to-source voltage on the low-side FET. Both devices can supply outputs as low as 0.8V and are well suited for DSP cores and other low-voltage logic.

    The MAX1966 has an input range of 2.7V to 5.5V while the MAX1967 has an input range of 2.7V to 28V. In ultra-low-cost designs, the MAX1966/MAX1967 can provide efficiency exceeding 90% and can achieve 95% efficiency with optimized component selection.

    The MAX1966/MAX1967 operate at 100kHz and ac-commodate aluminum electrolytic capacitors and powdered-iron core magnetics in minimum-cost designs. They also provide excellent performance with high-performance surface-mount components. The MAX1966 is available in a low-cost 8-pin SO package. The MAX1967 is available in a 10-pin µMAX package.

    Applications

    • Cable Modems and Routers
    • Graphic Card Supplies
    • Networking Power Supplies
    • Set-Top Boxes
    • Telecom Power Supplies
    • Termination Supplies
    • xDSL Modems and Routers
    Part Models 2
    1ku List Price Starting From $2.32

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    Documentation

    Documentation

    Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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    Part Models

    Product Lifecycle

    PCN

    Sep 19, 2018

    - 1753N

    ASSEMBLY

    MAX1967EUB+

    PRODUCTION

    MAX1967EUB+T

    PRODUCTION

    Filter by Model

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    Part Models

    Product Lifecycle

    PCN

    Sep 19, 2018

    - 1753N

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    ASSEMBLY

    MAX1967EUB+

    PRODUCTION

    MAX1967EUB+T

    PRODUCTION

    Software & Part Ecosystem

    Software & Part Ecosystem

    Evaluation Kit

    Evaluation Kits 1

    MAX1966EVKIT

    Evaluation Kit for the MAX1966 and MAX1967

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    MAX1966EVKIT

    Evaluation Kit for the MAX1966 and MAX1967

    Evaluation Kit for the MAX1966 and MAX1967

    Features and Benefits

    • Lowest Cost Solution
    • Up to 96% Efficiency
    • Evaluates MAX1966/MAX1967
    • 3V to 5.5V Input Range (MAX1966 Circuit)
      • 1.8V at 2A Output
    • 4.9V to 20V Input Range (MAX1967 Circuit)
      • 2.5V at 2A Output
    • Fully Assembled and Tested

    Product Detail

    The MAX1966 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains two independent step-down DC-to-DC converter circuits.

    The MAX1966 circuit is optimized for a 3V to 5.5V input range and delivers 1.8V at 2A. The MAX1967 circuit is optimized for a 4.9V to 20V input range and delivers 2.5V at 2A. Refer to the MAX1966/MAX1967 data sheet for component selection for higher current applications.

    Applications

    • Cable Modems and Routers
    • Graphic Card Supplies
    • Networking Power Supplies
    • Set-Top Boxes
    • Telecom Power Supplies
    • Termination Supplies
    • xDSL Modems and Routers

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