LM317LZ - onsemi

Manufacturer Part Number

LM317LZ

Manufacturer

onsemi

Introduction

The LM317LZ is an adjustable 3-terminal positive voltage regulator capable of supplying 100mA over a 1.2V to 37V output range.

Product Features and Performance

Adjustable output voltage from 1.2V to 37V

Maximum input voltage of 40V

Output current of 100mA

Power Supply Rejection Ratio (PSRR) of 80dB at 120Hz

Product Advantages

High PSRR for stable output voltage

Thermal overload protection

Output overcurrent and short circuit protection

Wide operating temperature range from 0°C to 125°C

Key Technical Parameters

Input voltage (max): 40V

Output voltage (min/fixed): 1.2V

Output voltage (max): 37V

Output current: 100mA

Quiescent current (Iq): 10 mA

PSRR: 80dB (120Hz)

Quality and Safety Features

Overcurrent protection

Overtemperature protection

Short circuit protection

Compatibility

Suitable for through-hole mounting

Fits in TO-226-3, TO-92-3 (TO-226AA) packaging

Application Areas

Suitable for battery-powered devices

Can be used in variable voltage power supplies

Appropriate for instrumentation and electronic equipment

Product Lifecycle

Status: Obsolete

Potential for replacement or upgrade with newer voltage regulator models

Several Key Reasons to Choose This Product

Stable voltage regulation with high PSRR

Integrated safety features for device protection

Broad operating temperature range supporting diverse applications

Legacy product from a reputable manufacturer (onsemi)

Suitable for a range of DIY and commercial electronic projects