Texas Instruments Adjustable Positive Voltage Regulator TO-252 40V 1.5A LM317AMDT/NOPB

Texas Instruments LM317AMDT/NOPB is an adjustable positive voltage regulator designed for reliable power management in electronic circuits. Housed in a TO-252 surface mount package, this device supports a maximum input voltage of 40 V and can provide an output current up to 1.5 A. The output voltage is adjustable from 1.2 V to 37 V using external resistors, enabling versatile use in various power regulation tasks.

This voltage regulator features very low quiescent current of 4 mA, enabling efficient operation and reduced power wastage especially in battery-powered applications. The device includes built-in protections such as current limiting, thermal overload shutdown, and safe operating area protection to enhance durability and safe use under adverse conditions or unexpected circuit behavior.

Its compact TO-252 package with three pins offers easy surface-mount PCB integration, suitable for compact and efficient layouts. The dimensions of 6.58 mm length, 6.1 mm width, and 2.3 mm height make it ideal for space-constrained projects without compromising power capacity.

Typical line regulation of 0.01% and load regulation of 0.1% ensure stable and accurate output voltage under varying input and load conditions, enhancing circuit reliability. The device operates at temperatures up to 125°C, making it well suited to industrial, automotive, and commercial electronics applications.

Adjustable output voltage range from 1.2 V to 37 V. Maximum output current of 1.5 A (LM317 variant). Low quiescent current of 4 mA for efficient power use. Built-in current limiting and thermal protection for safety. Compact TO-252 surface mount package.

Typical line and load regulation values for voltage stability. Operating temperature up to 125°C for industrial usage. Positive polarity voltage regulator suitable for various power regulation circuits. Pin configuration of 3 pins with standard dimensions.

RoHS compliant ensuring environmental safety.

This Texas Instruments LM317AMDT/NOPB voltage regulator is widely used in industrial power supplies, electronic instrumentation, and embedded systems that require stable, adjustable voltage output. It supports design engineers with robust features for thermal and current protection while maintaining efficient power conversion. Available with reliable packaging and ready for insertion into production lines, this device facilitates improved manufacturing throughput.

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