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LM5010MH Electronic IC Chips High Voltage Switching Regulator

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    Buy cheap LM5010MH Electronic IC Chips High Voltage Switching Regulator from wholesalers
     
    Buy cheap LM5010MH Electronic IC Chips High Voltage Switching Regulator from wholesalers
    • Buy cheap LM5010MH Electronic IC Chips High Voltage Switching Regulator from wholesalers

    LM5010MH Electronic IC Chips High Voltage Switching Regulator

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    Model Number : LM5010MH
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    Supply Ability : 8200pcs
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    LM5010MH Electronic IC Chips High Voltage Switching Regulator


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    LM5010 High Voltage 1A Step Down Switching Regulator


    General Description

    The LM5010 Step Down Switching Regulator features all the functions needed to implement a low cost, efficient, buck bias regulator capable of supplying in excess of 1A load current. This high voltage regulator contains an N-Channel Buck Switch, and is available in thermally enhanced LLP-10 and TSSOP-14EP packages. The hysteretic regulation scheme requires no loop compensation, results in fast load transient response, and simplifies circuit implementation.


    The operating frequency remains constant with line and load variations due to the inverse relationship between the input voltage and the on-time. The valley current limit detection is set at 1.25A. Additional features include: VCC under-voltage lockout, thermal shutdown, gate drive under-voltage lockout, and maximum duty cycle limiter.


    Features

    • Input Voltage Range: 8V to 75V
    • Valley Current Limit At 1.25A
    • Switching Frequency Can Exceed 1 MHz
    • Integrated N-Channel Buck Switch
    • Integrated Startup Regulator
    • No Loop Compensation Required

    • Ultra-Fast Transient Response
    • Operating Frequency Remains Constant With Load and Line Variations
    • Maximum Duty Cycle Limited During Startup
    • Adjustable Output Voltage
    • Precision 2.5V Feedback Reference
    • Thermal shutdown

    Typical Applications

    • High Efficiency Point-Of-Load (POL) Regulator
    • Non-Isolated Telecommunications Buck Regulator
    • Secondary High Voltage Post Regulator
    • Automotive Systems

    Package

    • LLP-10 (4 mm x 4 mm)
    • TSSOP-14EP
    • Both Packages Have Exposed Thermal Pad For Improved Heat Dissipation

    Absolute Maximum Ratings (Note 1)

    If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.


    VIN to GND 76V

    BST to GND 90V

    SW to GND (Steady State) -1.5V

    BST to VCC 76V


    BST to SW 14V

    VCC to GND 14V

    SGND to RTN -0.3V to +0.3V

    SS to RTN -0.3V to 4V


    VIN to SW 76V

    Current Out of ISEN See Text

    All Other Inputs to GND -0.3 to 7V


    ESD Rating (Note 2)

    Human Body Model 2kV

    Storage Temperature Range -55˚C to +150˚C

    Lead Temperature (Soldering 4 sec) (Note 4) 260˚C


    Operating Ratings (Note 1)

    VIN 8V to 75V

    Operating Junction Temperature −40˚C to + 125˚C

    Note 1: Absolute Maximum Ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions under which operation of the device is intended to be functional. For guaranteed specifications and test conditions, see the Electrical Characteristics.

    Note 2: The human body model is a 100pF capacitor discharged through a 1.5kΩ resistor into each pin.

    Note 3: VCC provides bias for the internal gate drive and control circuits. Device thermal limitations limit external loading.

    Note 4: For detailed information on soldering plastic TSSOP and LLP packages refer to the Packaging Data Book available from National Semiconductor Corporation.


    Basic Stepdown Regulator


    Connection Diagrams


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