LM317MDCY - Texas Instruments

Manufacturer Part Number

LM317MDCY

Manufacturer

Texas Instruments

Introduction

The LM317MDCY is a versatile adjustable voltage regulator part of the Power Management IC (PMIC) family. It’s designed for a wide array of applications, including linear voltage regulation needs in various electronics.

Product Features and Performance

Adjustable output voltage from 1.25V to 37V

Maximum input voltage up to 40V

Supports output current up to 500mA

Quiescent current at 10 mA

Excellent power supply rejection ratio (PSRR) ranging from 65dB to 80dB at 120Hz

Built-in protection features including Over Current, Over Temperature, and Short Circuit protection

Product Advantages

Flexible voltage regulation for custom applications

High reliability through its internal protection features

Can be used in diverse electronic devices due to its adjustable output

Enhanced power efficiency

Easy to integrate into various circuit designs with its simple external component requirements

Key Technical Parameters

Voltage Input (Max): 40V

Voltage Output (Min/Fixed): 1.25V

Voltage Output (Max): 37V

Current Output: 500mA

Current Quiescent (Iq): 10 mA

PSRR: 80dB ~ 65dB (120Hz)

Operating Temperature: -40°C ~ 125°C (TJ)

Quality and Safety Features

Over Current protection ensures safe operation under excessive loads

Over Temperature protection helps prevent thermal overload

Short Circuit protection provides safety against circuit faults

Compatibility

Surface Mount device in a SOT-223-4 package ensures compatibility with modern PCB technologies

Versatile for integration into various designs due to adjustable output

Application Areas

Consumer Electronics

Industrial Applications

Telecommunication Systems

Power Supply Units

Battery Chargers

Product Lifecycle

Currently in Active status with Texas Instruments

Not nearing discontinuation, ensuring long-term availability

Several Key Reasons to Choose This Product

Adjustable output voltage offers design flexibility

Built-in protection features enhance reliability and safety

High PSRR ensures stable operation against power supply variations

Low quiescent current improves energy efficiency

Wide operating temperature range makes it suitable for harsh environments

Active product status with Texas Instruments ensures ongoing availability and support