L7912CD2T-TR

The L7912CD2T-TR is a negative voltage regulator IC that provides a fixed output voltage of -12V. It is designed to deliver a regulated output with high stability and low ripple, making it ideal for various electronic applications requiring a negative power supply.

Pinout

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

• Vout: Output Voltage (-12V)
• Vin: Input Voltage
• GND: Ground Connection

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the L7912CD2T-TR IC for a visual representation of the negative voltage regulation.

Key Features

• Fixed Output Voltage: Provides a stable -12V output voltage for consistent power supply requirements.
• High Stability: The L7912CD2T-TR offers high stability over varying input voltages and load conditions.
• Low Ripple: Ensures minimal output voltage ripple, suitable for noise-sensitive applications.
• Short Circuit Protection: Includes built-in protection against short circuits, safeguarding the IC and connected components.
• Thermal Shutdown: Features thermal shutdown protection to prevent overheating under excessive operating conditions.

Note: For detailed technical specifications, please refer to the L7912CD2T-TR datasheet.

Application

• Power Supply Regulation: Suitable for regulating negative voltage supplies in electronic circuits.
• Audio Amplifiers: Used in audio amplifier circuits to provide a stable -12V power source.
• Instrumentation: Ideal for powering operational amplifiers and other instrumentation circuits requiring a negative voltage reference.

Functionality

The L7912CD2T-TR negative voltage regulator IC maintains a fixed -12V output voltage, ensuring stable and reliable power supply for a variety of electronic devices and circuits.

Usage Guide

• Input Voltage: Connect Vin (Pin 2) to the desired negative input voltage source.
• Output Voltage: Obtain the regulated -12V output from Vout (Pin 3) with respect to ground.
• Ground Connection: Connect GND (Pin 1) to the circuit ground reference.

Frequently Asked Questions

Q: Can the L7912CD2T-TR handle high input voltages?
A: The L7912CD2T-TR is designed to operate within specific input voltage ranges. Exceeding the maximum input voltage may damage the IC.

Q: Is heatsinking required for the L7912CD2T-TR?
A: Depending on the application and current requirements, heatsinking may be recommended to dissipate heat generated by the regulator.