Home / Voltage Regulators - DC DC Switching Regulators / LM2574N-3.3/
LM2574N-3.3

LM2574N-3.3

Manufacturer No:

LM2574N-3.3

Manufacturer:

Texas Instruments

Description:

IC REG BUCK 3.3V 500MA 8DIP

Datasheet:

Datasheet

Delivery:

Payment:

Please send RFQ , we will respond immediately.

LM2574N-3.3 Specifications

  • Type
    Parameter
  • Supplier Device Package
    8-PDIP
  • Package / Case
    8-DIP (0.300", 7.62mm)
  • Mounting Type
    Through Hole
  • Operating Temperature
    -40°C ~ 125°C (TJ)
  • Synchronous Rectifier
    No
  • Frequency - Switching
    52kHz
  • Current - Output
    500mA
  • Voltage - Output (Max)
    -
  • Voltage - Output (Min/Fixed)
    3.3V
  • Voltage - Input (Max)
    40V
  • Voltage - Input (Min)
    4V
  • Number of Outputs
    1
  • Output Type
    Fixed
  • Topology
    Buck
  • Output Configuration
    Positive
  • Function
    Step-Down
  • Packaging
    Tube
  • Product Status
    Obsolete
  • Series
    SIMPLE SWITCHER®
The LM2574N-3.3 is a step-down switching regulator integrated circuit (IC) chip manufactured by Texas Instruments. It has several advantages and application scenarios, including:Advantages: 1. High Efficiency: The LM2574N-3.3 offers high efficiency due to its step-down switching regulator architecture, which reduces power dissipation and improves overall energy efficiency. 2. Wide Input Voltage Range: It can accept a wide input voltage range, typically from 4.5V to 40V, making it suitable for various applications with different power sources. 3. Fixed Output Voltage: The LM2574N-3.3 provides a fixed output voltage of 3.3V, which is commonly used in many electronic devices and circuits. 4. Adjustable Output Voltage: With the addition of external resistors, the output voltage can be adjusted to different levels, providing flexibility in various applications. 5. Current Limiting and Thermal Shutdown: The IC includes built-in current limiting and thermal shutdown features, protecting the chip and the connected circuitry from excessive current or temperature.Application Scenarios: 1. Power Supply for Microcontrollers and Digital Circuits: The LM2574N-3.3 can be used to provide a stable and regulated 3.3V power supply for microcontrollers, digital circuits, and other low-power electronic devices. 2. Battery-Powered Applications: It can be utilized in battery-powered applications, such as portable devices, where it efficiently steps down the battery voltage to a stable 3.3V level. 3. Automotive Electronics: The wide input voltage range and robust design of the LM2574N-3.3 make it suitable for automotive electronics, where it can regulate the voltage from the car battery to power various components. 4. Industrial Control Systems: The IC can be employed in industrial control systems, where it converts higher input voltages to a stable 3.3V output for powering sensors, actuators, and other control circuitry. 5. LED Lighting: The LM2574N-3.3 can be used in LED lighting applications, where it efficiently steps down higher input voltages to power and control LED arrays or individual LEDs.These are just a few examples of the advantages and application scenarios of the LM2574N-3.3 IC chip. Its versatility, efficiency, and wide input voltage range make it suitable for various electronic applications requiring a regulated 3.3V power supply.
LM2574N-3.3 Relevant information