MC7812CT - onsemi

Manufacturer Part Number

MC7812CT

Manufacturer

onsemi

Introduction

The MC7812CT from onsemi is a fixed output, positive voltage linear regulator designed for a variety of applications requiring voltage regulation.

Product Features and Performance

Provides a fixed output voltage of 12V

Supports input voltage up to 35V

Delivers up to 1A of output current

Features a maximum voltage dropout of 2V at 1A, ensuring efficient operation

Includes over temperature and short circuit protection for enhanced safety

Exhibits a power supply rejection ratio (PSRR) of 60dB at 1kHz, enabling stable output voltage

Low quiescent current of 6.5 mA, optimizing power usage

Through-hole mounting provides robust physical attachment

Product Advantages

Reliable voltage regulation and compatibility with a wide range of input voltages

Built-in safety features enhance the longevity and reliability of both the MC7812CT and the end application

Low dropout voltage and quiescent current contribute to efficient power management and conservation

Key Technical Parameters

Voltage Input (Max): 35V

Voltage Output (Min/Fixed): 12V

Current Output: 1A

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

Current Quiescent (Iq): 6.5 mA

PSRR: 60dB (1kHz)

Quality and Safety Features

Over temperature and short circuit protections are integrated to safeguard against operational anomalies

Designed for reliable performance in a temperature range from 0°C to 125°C

Compatibility

Through-hole TO-220-3 package ensures compatibility with general-purpose PCB designs

Application Areas

Widely applicable in power management solutions across electronics, automotive systems, industrial equipment, and more

Product Lifecycle

The MC7812CT is listed as obsolete, prompting consideration for replacement or upgrade solutions in new designs

Several Key Reasons to Choose This Product

Proven reliability and wide input voltage range accommodate diverse application requirements

Integrated protection features ensure component and system safety, enhancing product longevity

Low dropout and quiescent current characteristics facilitate efficient energy use

Straightforward through-hole mounting supports ease of use in diverse hardware configurations

Despite its obsolescence, it remains a viable option for maintaining or repairing existing installations where compatibility is critical