L7912CV negative Voltage Regulator (12V -1A)

Overview

Need a stable -12V rail for your dual-supply audio circuits, op-amp projects, or industrial control systems? The L7912CV from STMicroelectronics is a reliable fixed negative voltage regulator that delivers a precise -12V output at up to 1A. Housed in a robust TO-220 package, it ensures efficient heat dissipation and long-term stability. Whether you're building a lab power supply, a professional audio mixer, or an embedded system requiring a negative supply, the L7912CV is your go-to solution.

Key Features

• Fixed -12V Output: Provides a stable -12V DC output, ideal for dual-supply configurations.
• 1A Output Current: Capable of sourcing up to 1A to power moderate loads.
• TO-220 Package: Standard through-hole package, easy to mount on heatsinks for enhanced thermal performance.
• Internal Thermal Overload Protection: Safeguards the regulator against excessive temperature.
• Short-Circuit Protection: Prevents damage from output short circuits.
• Safe Area Protection: Ensures reliability under various operating conditions.
• Low Quiescent Current: Minimizes power consumption in standby mode.

Technical Specifications

• Output Voltage: -12V (fixed)
• Output Current: Up to 1A
• Input Voltage Range: -14.5V to -35V (typical operation)
• Dropout Voltage: 2V (typical)
• Package Type: TO-220
• Operating Temperature Range: 0°C to +125°C
• Storage Temperature Range: -65°C to +150°C
• Lead-Free & RoHS Compliant: Environmentally friendly

Applications & Use Cases

• Dual-Supply Power Circuits: Pair with a positive regulator (e.g., L7812CV) to create a symmetrical ±12V supply for op-amps, audio preamps, and data converters.
• Audio Electronics: Power negative rails in mixers, equalizers, and guitar effects.
• Industrial Control Systems: Provide stable negative reference voltages for sensors and controllers.
• Embedded Projects: Essential for circuits requiring bipolar power, such as RS-232 interfaces and analog signal conditioning.
• Laboratory Power Supplies: Build a bench supply with adjustable positive and negative outputs.

What's Included

• 1x L7912CV Negative Voltage Regulator (TO-220 package)

Compatibility

• Complementary Positive Regulator: L7812CV (for ±12V dual supply)
• Heatsink: Recommended for currents above 500mA (e.g., MOKWN heatsink series)
• Capacitors: Use 0.33µF input and 0.1µF output capacitors for stability (not included)

MOKWN Recommendation

For Egyptian electronics enthusiasts, the L7912CV is a must-have for any serious power supply project. Its robust TO-220 package and 1A current capability make it versatile and dependable. Pair it with an L7812CV and a suitable heatsink from MOKWN to build a professional dual-supply unit. Order now and elevate your projects with reliable negative voltage regulation!