The L79M05T is a three-terminal negative voltage regulator that provides a fixed output voltage of -5V. Manufactured by SANYO Semiconductor (U.S.A) Corporation, this regulator is designed for a wide range of applications where a stable and regulated negative voltage supply is required.

Applications

• Negative voltage power supplies
• Linear regulators in electronic circuits
• Microprocessor power supplies
• Instrumentation
• Local regulation in systems requiring negative voltages

Features

• Fixed Output Voltage: Provides a stable and precise -5V output.
• Output Current Capability: Capable of delivering up to 0.5A output current.
• Internal Thermal Overload Protection: Protects the regulator from overheating under excessive load conditions.
• Short-Circuit Protection: Prevents damage from short circuits at the output.
• Safe Operating Area Protection: Ensures the device operates within its safe limits to enhance reliability.

Benefits

• Stable Negative Voltage Supply: Provides a reliable and consistent negative voltage for sensitive electronic components.
• Overload Protection: Thermal overload and short-circuit protection enhance the regulator's robustness and lifespan.
• Simplified Circuit Design: Requires minimal external components, simplifying the design process.
• Cost-Effective Solution: Offers a cost-effective solution for implementing negative voltage regulation.
• Wide Operating Temperature Range: Suitable for use in various environmental conditions.

Additional Details

The L79M05T is typically available in a TO-220 package. Key electrical specifications include an input voltage range of -7V to -25V, an output voltage of -5V, and a maximum output current of 0.5A. The device also features a low dropout voltage and excellent line and load regulation. It is commonly used in applications such as powering operational amplifiers, data acquisition systems, and other analog circuits requiring a stable negative voltage source.