L7809CV 9V Voltage Regulator IC
₹14.50
Reliable and durable 9V linear voltage regulator IC from STMicroelectronics. Provides a stable output for various electronic applications, including microcontrollers, sensors, and power supplies.
100 in stock
Description
Technical Overview of the L7809CV 9V Voltage Regulator IC
The L7809CV 9V Voltage Regulator IC is a high-reliability fixed-output positive voltage regulator designed to provide a steady 9V DC rail. Housed in the industry-standard TO-220 package, this IC is a favorite among electronics hobbyists and professional engineers alike. It is engineered to take an unregulated DC input—such as from a battery or a transformer—and deliver a rock-solid 9V output with a current capacity of up to 1.5A. At BuyCircuitParts, we ensure our L7809CV regulators meet strict performance standards to keep your power-hungry projects “on track.”
Key Specifications and Functional Parameters
L7809CV 9V Voltage Regulator IC
To ensure this regulator fits your specific circuit design, here are the technical specifications:
Output Voltage: Fixed +9.0V.
Output Current: Up to 1.5A (with proper heatsinking).
Input Voltage Range: 11.5V to 35V (Recommended 12V to 24V).
Package Type: TO-220 (Standard through-hole).
Dropout Voltage: Typically 2.0V at 1A.
Internal Protection: Thermal overload protection, safe-area compensation, and short-circuit current limiting.
Operating Temperature: 0°C to +125°C.
Why Choose the L7809CV for 9V Power Supply?
The L7809CV 9V Voltage Regulator IC is prized for its ability to provide clean, low-noise power. Many analog circuits, especially audio pedals and guitar effects, require a precise 9V supply to avoid signal distortion and hum. Unlike switching regulators, the L7818CV is a linear regulator that produces zero switching noise, making it the perfect choice for high-fidelity audio and sensitive sensor applications. At BuyCircuitParts, our ICs feature excellent line and load regulation, ensuring your 9V rail remains stable even if the input battery voltage drops over time.
Common Applications for the L7809CV IC
The L7809CV 9V Voltage Regulator IC is used in a wide variety of electronic devices:
Guitar Effects Pedals: Providing the standard 9V power required by most stompboxes and pre-amps.
Arduino Powering: Stepping down 12V adapters to 9V for the Arduino barrel jack, reducing the heat on the board’s internal regulator.
Radio Receivers: Supplying stable power to AM/FM tuners and communication modules.
Battery Powered Tools: Regulating 12V or 18V battery packs down to 9V for internal logic and displays.
Digital Clocks and Meters: Providing a steady reference voltage for precision measurement tools.
Pro-Tips for Circuit Integration
To maximize the reliability and lifespan of your L7809CV 9V Voltage Regulator IC, follow these professional tips:
Pinout Configuration: Facing the front (labeled side) of the TO-220 package, the pins are 1: Input, 2: Ground, 3: Output. Note that the center pin is Ground.
Bypass Capacitors: For stable, oscillation-free operation, place a 0.33µF ceramic capacitor on the Input and a 0.1µF capacitor on the Output.
Thermal Management: The IC dissipates heat based on the voltage drop ($P = (V_{in} – 9V) \times I_{out}$). If you are dropping 24V to 9V at a high current, an aluminum heatsink is essential.
Metal Tab Connection: The metal tab of the L7809CV is internally connected to Pin 2 (Ground), which makes it safe to mount on most grounded metal enclosures.
Why Buy from BuyCircuitParts?
As a specialized seller, we understand that power stability is the foundation of any circuit. At BuyCircuitParts, our L7809CV 9V Voltage Regulator IC stock is sourced from reputable manufacturers like STMicroelectronics to ensure genuine performance and internal safety features. We provide ICs with high-quality leads for reliable soldering and clear markings for easy identification. Our fast shipping and focus on genuine hardware help you build durable devices and keep your assembly “on track.”
Durability and Thermal Stability
The L7809CV 9V Voltage Regulator IC is built for long-term reliability. Its internal thermal shutdown feature protects the IC from permanent damage if it gets too hot, and its short-circuit protection ensures your entire project is safe from power surges. Whether you are building a custom audio synthesizer, a lab power supply, or a robotics controller, this regulator provides the stability your electronics demand. By choosing BuyCircuitParts, you are investing in power management components designed for professional-grade success.
📐 Approx Dimensions:
Total Height (including leads): ~16.0 mm
Body Height (excluding leads): ~10.0 mm
Width: ~10.2 mm
Thickness: ~4.5 mm
Lead Pitch (spacing): 2.54 mm (standard 0.1″)
Mounting Hole Diameter: ~3.3 mm
Lead Length: ~6.0 mm
🧊 Note:
Product colour and markings may vary slightly based on manufacturer and batch. Functionality is guaranteed. (Refer to the product image for illustration only. For precise specifications, consult the datasheet.) For full electrical characteristics and thermal data, refer to the L7809CV Datasheet (PDF).
Explore more high-quality components like this at BuyCircuitParts, your one-stop shop for all electronic needs.
Additional information
| Weight | 10 g |
|---|---|
| Dimensions | 1 × 1 × 2.7 cm |
| HSN | 85423100 |
Reviews
There are no reviews yet