NJM79M12FA

The NJM79M12FA is a three-terminal negative voltage regulator IC capable of providing a fixed output voltage of -12V. It is designed to deliver a continuous output current of up to 500mA, making it suitable for various voltage regulation applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• Vin: Input Voltage
• Vout: Output Voltage
• GND: Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the NJM79M12FA IC for a visual representation.

Key Features

• Negative Voltage Regulation: Provides a fixed output voltage of -12V, suitable for generating negative supply rails in electronic circuits.
• High Output Current: Capable of delivering up to 500mA of continuous output current, enabling it to power various loads.
• Thermal Shutdown Protection: Incorporates thermal shutdown circuitry to prevent damage due to excessive heat build-up.
• Short Circuit Protection: Features internal short circuit current limiting and thermal overload protection for enhanced reliability.
• Low Dropout Voltage: Operates with a low dropout voltage, ensuring efficient regulation even with small input-output differentials.

Note: For detailed technical specifications, please refer to the NJM79M12FA datasheet.

Application

• Power Supply Regulation: Ideal for use in power supplies where a regulated negative voltage output is required.
• Audio Amplifiers: Suitable for providing negative power supply rails in audio amplifier circuits.
• Instrumentation: Used in instrumentation and control systems that necessitate stable negative voltage sources.

Functionality

The NJM79M12FA is a three-terminal negative voltage regulator designed to produce a constant -12V output for powering a wide range of electronic devices and circuits.

Usage Guide

• Input Connection: Connect Vin (Input Voltage) to the desired negative input voltage source.
• Output Connection: Vout (Output Voltage) provides the regulated -12V output to the load circuit.
• Ground Connection: Connect GND (Ground) to the system ground reference.

Frequently Asked Questions

Q: What is the maximum output current of the NJM79M12FA?
A: The NJM79M12FA can deliver a continuous output current of up to 500mA.

Q: Does the NJM79M12FA require external thermal protection?
A: No, the NJM79M12FA features internal thermal shutdown circuitry to safeguard against overheating.