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L7981A

L7981A

Manufacturer No:

L7981A

Manufacturer:

STMicroelectronics

Description:

IC REG BUCK ADJUSTABLE 3A 8HSOP

Datasheet:

Datasheet

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L7981A Specifications

  • Type
    Parameter
  • Supplier Device Package
    8-HSOP
  • Package / Case
    8-SOIC (0.154", 3.90mm Width) Exposed Pad
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 150°C (TJ)
  • Synchronous Rectifier
    No
  • Frequency - Switching
    250kHz ~ 1MHz
  • Current - Output
    3A
  • Voltage - Output (Max)
    28V
  • Voltage - Output (Min/Fixed)
    0.6V
  • Voltage - Input (Max)
    28V
  • Voltage - Input (Min)
    4.5V
  • Number of Outputs
    1
  • Output Type
    Adjustable
  • Topology
    Buck
  • Output Configuration
    Positive
  • Function
    Step-Down
  • Packaging
    Tube
  • Product Status
    Active
  • Series
    -
The L7981A is a high-efficiency step-down switching regulator integrated circuit (IC) chip manufactured by STMicroelectronics. It offers several advantages and can be applied in various scenarios. Here are some of its advantages and application scenarios:Advantages: 1. High Efficiency: The L7981A chip provides high efficiency, which helps in reducing power dissipation and increasing battery life in applications. 2. Wide Input Voltage Range: It can operate with a wide input voltage range, typically from 4.5V to 38V, making it suitable for a variety of power supply applications. 3. Adjustable Output Voltage: The output voltage of the L7981A can be adjusted using external resistors, allowing flexibility in designing power supplies for different requirements. 4. Low Quiescent Current: The chip has a low quiescent current, which minimizes power consumption during standby or light-load conditions. 5. Protection Features: It includes various protection features like over-temperature protection, over-current protection, and short-circuit protection, ensuring the safety and reliability of the power supply.Application Scenarios: 1. Industrial Applications: The L7981A chip can be used in industrial applications that require efficient and reliable power supplies, such as factory automation, motor control systems, and industrial instrumentation. 2. Automotive Electronics: It is suitable for automotive applications, including infotainment systems, advanced driver-assistance systems (ADAS), and lighting systems, where a stable and efficient power supply is crucial. 3. Consumer Electronics: The chip can be utilized in various consumer electronic devices like smartphones, tablets, laptops, and gaming consoles, providing efficient power conversion and extending battery life. 4. LED Lighting: The L7981A can be employed in LED lighting applications, enabling efficient power conversion for driving LED arrays or individual LEDs. 5. Telecom and Networking: It can be used in telecom and networking equipment, such as routers, switches, and base stations, to provide stable and efficient power supplies.These are just a few examples of the advantages and application scenarios of the L7981A integrated circuit chip. Its versatility, efficiency, and protection features make it suitable for a wide range of power supply applications across various industries.
L7981A Relevant information