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LM2577T-12

LM2577T-12

Manufacturer No:

LM2577T-12

Manufacturer:

National Semiconductor

Description:

SWITCHING REGULATOR, CURRENT-MOD

Datasheet:

Datasheet

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LM2577T-12 Specifications

  • Type
    Parameter
  • Supplier Device Package
    TO-220-5
  • Package / Case
    TO-220-5
  • Mounting Type
    Through Hole
  • Operating Temperature
    -40°C ~ 125°C (TJ)
  • Synchronous Rectifier
    No
  • Frequency - Switching
    52kHz
  • Current - Output
    3A (Switch)
  • Voltage - Output (Max)
    -
  • Voltage - Output (Min/Fixed)
    12V
  • Voltage - Input (Max)
    40V
  • Voltage - Input (Min)
    3.5V
  • Number of Outputs
    1
  • Output Type
    Fixed
  • Topology
    Boost, Flyback, Forward Converter
  • Output Configuration
    Positive or Negative
  • Function
    Step-Up, Step-Up/Step-Down
  • Packaging
    Bulk
  • Product Status
    Obsolete
  • Series
    SIMPLE SWITCHER®
The LM2577T-12 is a step-up (boost) voltage regulator integrated circuit chip manufactured by Texas Instruments. It has several advantages and application scenarios, including:Advantages: 1. High Efficiency: The LM2577T-12 has a high efficiency of up to 92%, making it suitable for applications where power conversion efficiency is crucial. 2. Wide Input Voltage Range: It can accept input voltages ranging from 3.5V to 40V, allowing it to be used in various power supply scenarios. 3. Adjustable Output Voltage: The output voltage can be adjusted using external resistors, providing flexibility in meeting specific voltage requirements. 4. Overcurrent Protection: The chip incorporates overcurrent protection, which safeguards the circuit from excessive current flow and potential damage. 5. Thermal Shutdown: It includes a thermal shutdown feature that prevents the chip from overheating, ensuring its longevity and reliability.Application Scenarios: 1. Battery-Powered Devices: The LM2577T-12 can be used in battery-powered devices to step up the voltage and provide a stable power supply for components that require higher voltages. 2. Automotive Electronics: It can be employed in automotive applications to convert the lower voltage from the car battery to a higher voltage required by certain components or subsystems. 3. Solar Power Systems: The chip can be used in solar power systems to boost the voltage generated by solar panels to a level suitable for charging batteries or powering electronic devices. 4. LED Lighting: It can be utilized in LED lighting applications to step up the voltage from a lower power source to the required voltage for driving LEDs. 5. Portable Electronics: The LM2577T-12 can be used in portable electronic devices, such as portable audio players or handheld instruments, to provide a stable and regulated power supply.Overall, the LM2577T-12 integrated circuit chip offers high efficiency, adjustable output voltage, and protection features, making it suitable for a wide range of applications where voltage boosting is required.
LM2577T-12 Relevant information