LM317D2T - STMicroelectronics

Manufacturer Part Number

LM317D2T

Manufacturer

STMicroelectronics

Introduction

The LM317D2T from STMicroelectronics is a linear, low drop-out (LDO) voltage regulator designed for power management applications. It offers adjustable output voltage and is packaged in a surface-mount TO-263-3, D2PAK.

Product Features and Performance

Adjustable output voltage from 1.2V to 37V

Capable of delivering up to 1.5A of output current

Input voltage can go as high as 40V

Power Supply Rejection Ratio (PSRR) ranges from 80dB to 65dB at 120Hz

Integrated protection features against over current, over temperature, and short circuit conditions

Product Advantages

Flexibility with adjustable output voltage

High PSRR ensures stable operation under varying loads

Built-in protection increases reliability and prolongs lifespan

Key Technical Parameters

Voltage Input (Max): 40V

Voltage Output (Min/Fixed): 1.2V

Voltage Output (Max): 37V

Current Output: 1.5A

Current Quiescent (Iq): 10 mA

PSRR: 80dB ~ 65dB (120Hz)

Quality and Safety Features

Over Current Protection

Over Temperature Protection

Short Circuit Protection

Compatibility

The LM317D2T is designed for surface mount applications, compatible with the TO-263-3, D2PAK package standards.

Application Areas

This voltage regulator finds its applications in various fields including consumer electronics, automotive systems, telecommunications, and industrial equipment where stable and adjustable power supply is necessary.

Product Lifecycle

The LM317D2T is marked as Obsolete, indicating that it may be nearing the end of its production life. Customers should check for available replacements or upgrades.

Several Key Reasons to Choose This Product

Offers a wide range of adjustable output voltages suitable for various applications

High maximum input voltage allows for flexible application in different environments

Embedded protection features enhance the safety and durability of the device

High PSRR value ensures reliable performance despite power supply variations

Obsolete status may inspire seeking the latest upgrades offering improved features and compatibility