L7818ABV - STMicroelectronics

Manufacturer Part Number

L7818ABV

Manufacturer

STMicroelectronics

Introduction

The L7818ABV is a +18V, 1.5A linear voltage regulator integrated circuit (IC) manufactured by STMicroelectronics.

Product Features and Performance

Fixed +18V output voltage

Output current capability of 1.5A

Input voltage range up to 35V

High Power Supply Rejection Ratio (PSRR) of 59dB at 120Hz

Thermal overload and short-circuit protection

Product Advantages

Stable and reliable output voltage regulation

Compact TO-220 package for easy mounting and heat dissipation

Wide operating temperature range of -40°C to 125°C

Suitable for various industrial and consumer applications

Key Technical Parameters

Output Voltage: 18V

Output Current: 1.5A

Input Voltage (Max): 35V

Voltage Dropout (Max): 2V @ 1A (Typical)

Quiescent Current (Iq): 6mA

Quality and Safety Features

Thermal overload protection

Short-circuit protection

Compliant with RoHS3 directive

Compatibility

Can be used as a replacement or upgrade for similar 18V linear voltage regulators in various electronic circuits and systems.

Application Areas

Suitable for industrial, automotive, and consumer electronics applications that require a stable +18V power supply.

Product Lifecycle

The L7818ABV is currently an active and available product from STMicroelectronics.

No plans for discontinuation or end-of-life have been announced.

Several Key Reasons to Choose This Product

Reliable and stable +18V output voltage regulation

High output current capability of 1.5A

Wide input voltage range up to 35V

Robust protection features against thermal overload and short-circuit

Compact and easy-to-mount TO-220 package

Suitable for a wide range of industrial, automotive, and consumer electronics applications.