LM317DCYR - UMW

Manufacturer Part Number

LM317DCYR

Manufacturer

Texas Instruments

Introduction

The LM317DCYR is a linear low-dropout (LDO) voltage regulator, capable of providing an adjustable output from a higher input voltage, optimal for power management applications.

Product Features and Performance

Adjustable output voltage from 1.25V to 37V

Can handle input voltage up to 40V

Output current capability of up to 1.5A

Low quiescent current at 10 mA

Power Supply Rejection Ratio (PSRR) ranges from 64dB to 57dB at 120Hz

Product Advantages

Continuous and stable adjustable voltage supply

High output current suitable for various applications

Efficient power supply rejection ensures stable operation against line and load variations

Key Technical Parameters

Voltage Input (Max): 40V

Voltage Output (Min/Fixed): 1.25V

Voltage Output (Max): 37V

Current Output: 1.5A

Current Quiescent (Iq): 10 mA

PSRR: 64dB ~ 57dB (120Hz)

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Short circuit protection

Compatibility

Surface mount technology (SMT) for simplified integration

Packaged in SOT-223-4 suitable for automated assembly processes

Application Areas

Consumer electronics

Telecommunications

Automotive systems

Power management modules

Product Lifecycle

Current status: Active

No immediate discontinuation planned, offering long-term availability

Several Key Reasons to Choose This Product

High reliability and performance with protective features against current, temperature, and short circuits

Versatility through a wide range of adjustable output voltages

Suitable for a variety of industrial and commercial applications due to its robust power handling capabilities

Stable operation ensured by excellent PSRR

Easy to integrate into different systems with its surface mount compatible package