L7815CV Voltage Regulator

Product Description

The L7815CV Voltage Regulator is a linear positive voltage regulator that provides a fixed +15 V output with high stability and reliability. Part of the well-known 78xx series, the L7815CV is widely used in regulated power supplies, electronic circuits, and embedded projects where a stable 15 V source is required.

This regulator is ideal for powering analog circuits, sensors, audio equipment, and microcontroller-based designs. With built-in overload protection and thermal shutdown features, the L7815CV ensures safe and consistent operation in a variety of conditions.

✨ Key Features

• Fixed +15 V output

• Easy to use — minimal external components required

• High regulation accuracy for stable output

• Internal current limiting protects against overload

• Thermal shutdown for safe operation

• Low noise and good load regulation

• Standard TO-220 package for easy mounting

📐 Technical Specifications

• Model: L7815CV

• Output Voltage: +15 V (fixed)

• Output Current: Up to 1 A (typical)

• Input Voltage Range: Typically ≥18 V DC (recommended)

• Voltage Tolerance: ±4% (typical)

• Dropout Voltage: ~2 V (minimum headroom required)

• Regulation Type: Linear

• Quiescent Current: Low operating current

• Protection Features:

  • Overcurrent/Short-Circuit Protection

  • Thermal Overload Protection

• Package Type: TO-220 (through-hole mount)

• Operating Temperature Range: −40 °C to +125 °C (approx.)

🧰 Typical Applications

• Regulated power supply circuits

• Microcontroller and digital logic power source

• Sensor and analog signal conditioning systems

• Audio amplifiers and communication circuits

• Laboratory and educational electronics projects

📌 How It Works (Quick Overview)

1. Input Voltage: Connect an unregulated DC input voltage (higher than 15 V + dropout).

2. Regulation: The L7815CV regulates this input to a constant +15 V output.

3. Protection: Built-in circuitry guards against current overload and overheating.