onsemi Adjustable Linear Voltage Regulator 40V 1.5A Surface Mount Positive Polarity LM317MDTG

The onsemi LM317MDTG is an adjustable linear voltage regulator designed for precise voltage control within electronic circuits. It supports output voltage adjustment from 1.25 V to 37 V and delivers up to 1.5 A output current. The device employs a surface mount package with a compact 3-pin TO-252 form factor, ensuring straightforward integration into various printed circuit boards.

This positive polarity voltage regulator incorporates critical safety features including short circuit current limiting, thermal overload protection, and safe-area compensation, which together enhance reliability under demanding electrical conditions. Its maximum input voltage tolerance is 40 V, with operational capabilities maintained up to 125°C, making it suitable for harsh industrial and automotive environments.

As a member of the LM317 series, the LM317MDTG supports floating operation for high-voltage applications and conforms to the automotive industry AEC-Q100 qualification standard, assuring high quality and robustness for automotive electronics.

Typical applications include on-card voltage regulation, programmable output voltage supply, and use as a precision current regulator when paired with a fixed resistor on the adjustment terminal. Its quiescent current of 3.5 mA optimizes power consumption, important for energy-sensitive designs.

Physically, the device measures 6.73 mm in length, 6.22 mm in width, and 2.38 mm in height, allowing compact design layouts. The three-pin configuration simplifies connection to electronic circuits, making it an excellent choice for electronics manufacturers, hobbyists, and engineers.

Designed for surface mount applications with positive polarity and 3-pin configuration. Features short circuit current limiting and thermal overload protection for reliable operation. Maximum input voltage rating of 40 V and maximum operating temperature of 125°C ensures durability.

Supports floating operation suitable for high-voltage applications. Complies with automotive standard AEC-Q100 for enhanced quality and reliability in automotive systems. Compact dimensions of 6.73 mm length, 6.22 mm width, and 2.38 mm height.

Quiescent current is 3.5 mA enabling efficient power management. Applicable in on-card regulation and programmable output regulator designs. Ideal for industrial, automotive, laboratory, and electronic circuit protection applications.

Three-pin design allows easy integration into PCB assemblies.

This voltage regulator device is suitable for use in a wide range of industrial, automotive, and laboratory applications, such as power supply design, circuit protection, and voltage control circuits. It offers a reliable solution for precision voltage regulation and current control.

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