LM79M12CT - Texas Instruments

Manufacturer Part Number

LM79M12CT

Manufacturer

Texas Instruments

Introduction

The LM79M12CT is a negative fixed output linear low dropout regulator designed for power management applications.

Product Features and Performance

Negative output configuration

Fixed output voltage of -12V

Maximum voltage dropout of 1.1V at 500mA load

Output current capacity of 500mA

Power supply rejection ratio (PSRR) of 70dB at 120Hz

Product Advantages

High thermal efficiency with over temperature protection

Short circuit protection enhances safety

Through-hole mounting type for easy installation and robust handling

Key Technical Parameters

Voltage - Input (Max): -35V

Voltage - Output (Min/Fixed): -12V

Current - Output: 500mA

Voltage Dropout (Max): 1.1V @ 500mA

Current - Quiescent (Iq): 1.5 mA

PSRR: 70dB (120Hz)

Operating Temperature: 0°C ~ 125°C

Quality and Safety Features

Over Temperature Protection

Short Circuit Protection

Compatibility

Compatible with TO-220-3 package standard

Application Areas

Ideal for power supply circuits that require a stable negative voltage

Suitable for industrial and automation systems

Product Lifecycle

The LM79M12CT is marked as obsolete, suggesting the commencement of its end-of-life phase with considerations for replacements or necessary upgrades.

Several Key Reasons to Choose This Product

Reliable performance in a standard TO-220-3 package

High noise rejection rate with a PSRR of 70dB

Strong protection features ensuring product and circuit safety

Suitable for negative voltage applications within a broad operating temperature range from 0°C to 125°C

Historical product from a reputable manufacturer, ensuring reliability and performance assurances despite the obsolescence status for legacy systems