L7812CV Linear Voltage Regulators by STMicroelectronics – Stable 12V Power Delivery for Electronics

The Linear Voltage Regulators L7812CV by STMicroelectronics are widely used in power management applications where stable 12V output, reliability, and low noise are essential. As part of the industry-trusted 78xx series, this regulator delivers consistent performance in consumer electronics, industrial control boards, automotive electronics, and embedded systems. Engineers working with Semiconductors, Integrated Circuits – ICs, and Power Management ICs rely on this device for dependable voltage regulation.
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Technical Specifications of L7812CV

• Manufacturer: STMicroelectronics

• Part Number: L7812CV

• Device Type: Linear Voltage Regulators

• Output Voltage: 12V

• Output Current: Up to 1.5A

• Dropout Voltage: Typical 2V

• Line Regulation: 0.01% / V

• Load Regulation: 0.2%

• Operating Temperature: -40°C to +125°C

• Package: TO-220

• Category: Semiconductors, Integrated Circuits – ICs, Power Management ICs, Voltage Regulators & Voltage Controllers

The regulator ensures stable 12V output even with varying input voltages, making it a key choice for sensitive electronic circuits.

Key Features of L7812CV Linear Voltage Regulator

• Accurate 12V regulated output with low noise

• Built-in thermal shutdown and short-circuit protection

• Durable TO-220 package for heat dissipation

• Widely used in industrial and consumer power systems

• Ideal for Linear Voltage Regulators applications requiring reliability

These features make L7812CV one of the most trusted Voltage Regulators & Voltage Controllers in the power electronics industry.

Applications of L7812CV

• DC Power Supply Modules

• Embedded Systems

• Industrial Automation

• Motor Controllers

• Battery Chargers

• Consumer Electronics

Wherever consistent 12V output is needed from Power Management ICs, the L7812CV Linear Voltage Regulators excel.

Wiring and Connection Overview

Typical wiring layout:

[Input Voltage 14–30V] -> VIN Pin
=>
[Ground Reference]  ->  GND Pin
=>
[Regulated 12V Output]  -> VOUT Pin

Proper heat sinking is recommended for continuous high-current operation.

Use Case Scenario: Industrial Control Power Board

A manufacturer needed stable 12V power for relay drivers and sensor modules.

Problem: Switching regulators created noise affecting control signals.
Solution: The L7812CV Linear Voltage Regulators offered clean, stable output.
Result: Improved reliability, reduced noise interference, and smoother system performance.

Download Datasheet for L7812CV

For electrical parameters, thermal details, package drawings, and recommended usage:

Download L7812CV Datasheet from XON Electronics 

Why Buy from X-On Electronics?

X-On Electronics offers:

• Genuine STMicroelectronics components

• Global delivery to USA, India, Australia, Europe & other regions

• Best pricing for OEM and bulk orders

• Fast shipping and technical support

Your trusted source for Semiconductors, Integrated Circuits – ICs, and Linear Voltage Regulators.

Conclusion

The L7812CV Linear Voltage Regulators by STMicroelectronics provide reliable 12V output, robust protections, and long-term stability, making them an essential solution for modern power management circuits across global industries.

FAQs – L7812CV Linear Voltage Regulators

Q1. What is the output current rating of L7812CV?
It can provide up to 1.5A of continuous current with proper heat sinking.

Q2. Is the L7812CV a linear or switching regulator?
It is a Linear Voltage Regulator, ensuring low-noise and stable output.

Q3. What input voltage is required for proper operation?
Typically 14–30V, but ensure at least dropout + 12V.

Q4. Does L7812CV require a heatsink?
For high-load or continuous usage, a heatsink is recommended.

Q5. Where can I buy the L7812CV globally?
You can purchase it from www.xonelec.com, shipping to USA, India, Australia, Europe, and other countries.