MC78T12CT - onsemi

Manufacturer Part Number

MC78T12CT

Manufacturer

onsemi

Introduction

The MC78T12CT is a fixed output, low drop-out (LDO) linear voltage regulator designed for power management, providing stable output in various electronic applications.

Product Features and Performance

Positive output configuration

Fixed output voltage of 12V

Supports input voltage up to 35V

Maximum output current of 3A

Low dropout voltage of 2.5V at 3A load

Power Supply Rejection Ratio (PSRR) of 67dB at 120Hz

Product Advantages

High output current capacity

Low dropout voltage enhances efficiency

Robust PSRR for stable operation under varying load conditions

Key Technical Parameters

Voltage - Input (Max): 35V

Voltage - Output (Min/Fixed): 12V

Current - Output: 3A

Voltage Dropout (Max): 2.5V @ 3A

Current - Quiescent (Iq): 5 mA

Current - Supply (Max): 6 mA

PSRR: 67dB (120Hz)

Quality and Safety Features

Protected against overcurrent and overtemperature conditions

Compatibility

Packaged in a TO-220-3, suitable for through-hole mounting

Application Areas

Ideal for use in consumer electronics, industrial controls, and telecommunications equipment

Product Lifecycle

This product is marked as obsolete, alternatives or upgrades should be considered for new designs

Several Key Reasons to Choose This Product

Provides precise voltage regulation with a high output current capability

Low dropout feature for improved efficiency

Built-in protection features enhance the reliability and safety of the application

High PSRR value enables steady performance despite input voltage fluctuations

Suitable for high-temperature operations up to 125°C