LM317MBSTT3G: Adjustable Positive Voltage Regulator, 1.2V to 37V, 500mA
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The LM317MBSTT3G is a versatile, adjustable three-terminal positive voltage regulator. This component is designed to supply more than 500mA of output current over a voltage range of 1.2V to 37V. It stands out for its simplicity of use, requiring only two external resistors to set the output voltage. This makes it an ideal choice for a wide range of applications, including local, on-card regulation.

The device incorporates several protective features such as internal current limiting, thermal shutdown, and output transistor safe-area compensation, ensuring its reliability under various conditions. Additionally, it offers flexibility in application by allowing for floating operation for high voltage applications and can be configured as a precision current regulator with the addition of a fixed resistor.

Key Specifications and Features

  • Output Current: Exceeds 500 mA
  • Adjustable Output Voltage: 1.2 V to 37 V
  • Thermal Overload Protection: Yes
  • Short Circuit Current Limiting: Yes
  • Safe-Area Compensation: Yes
  • Package Options: TO-220AB, SOT-223, DPAK
  • Maximum Input-Output Voltage Differential: 40 Vdc
  • Thermal Resistance, Junction-to-Air: Varies by package
  • Maximum Junction Temperature: +150 °C

LM317MBSTT3G Datasheet

LM317MBSTT3G datasheet (PDF)

LM317MBSTT3G Substitutes
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Applications

  • Local, on-card voltage regulation
  • Adjustable switching regulators
  • Programmable output regulators
  • Precision current regulators

Category

Voltage Regulator

General information

Voltage regulators are fundamental components in electronic circuits, designed to maintain a constant voltage level. They are crucial for providing stable power to electronic devices, preventing damage from voltage fluctuations. The LM317MBSTT3G, an adjustable positive voltage regulator, is particularly versatile due to its ability to supply a wide range of output voltages and currents.

When selecting a voltage regulator, engineers consider factors such as output voltage and current capabilities, thermal performance, and protective features. The LM317MBSTT3G excels in these areas, offering adjustable output, robust protection mechanisms, and ease of use. Its ability to function with minimal external components and its adaptability to various applications make it a valuable tool for circuit design.

The component's internal current limiting and thermal shutdown features enhance its safety, making it resilient against potential damage from overcurrent and overheating scenarios. Additionally, its capacity for high voltage applications and precision current regulation expands its utility across a broad spectrum of electronic designs.

In summary, the LM317MBSTT3G is a reliable and flexible solution for managing power supply requirements in electronic circuits. Its comprehensive features and wide range of applications underscore its importance in the design and implementation of stable, efficient electronic systems.

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