L7805CV 5V Voltage Regulator
₹10.90
Reliable and robust 5V linear voltage regulator IC in TO-220 package from STMicroelectronics. Ideal for stable power regulation in embedded systems and power supplies.
100 in stock
Description
Technical Overview of the L7805CV 5V Voltage Regulator
The L7805CV 5V Voltage Regulator is perhaps the most iconic and widely used fixed-output positive voltage regulator in the electronics world. Housed in the industry-standard TO-220 package, it is designed to take an unregulated DC input (up to 35V) and provide a rock-solid, noise-free 5V DC output. Whether you are powering an Arduino, a Raspberry Pi, or custom TTL logic circuits, the L7805CV is the gold standard for reliable power delivery. At BuyCircuitParts, we ensure our L7805CV stock is sourced from premium manufacturers to keep your digital projects “on track.”
Key Specifications and Functional Parameters
L7805CV 5V Voltage Regulator
To ensure this regulator meets your circuit’s specific needs, here are the primary technical specifications:
Output Voltage: Fixed +5.0V.
Output Current: Up to 1.5A (with adequate heatsinking).
Input Voltage Range: 7V to 35V (Recommended 7.5V to 12V for maximum efficiency).
Package Type: TO-220 (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 L7805CV for 5V Digital Logic?
The L7805CV 5V Voltage Regulator is favored for its extreme simplicity and durability. Unlike switching power supplies that require inductors and can produce electromagnetic interference (EMI), the L7805CV provides a clean linear output that won’t interfere with sensitive radio modules or analog sensors. It is essentially “indestructible” under normal conditions due to its built-in thermal shutdown and short-circuit protection. At BuyCircuitParts, our ICs feature superior ripple rejection, ensuring your microcontrollers never experience “glitches” due to unstable power.
Common Applications for the L7805CV
The L7805CV 5V Voltage Regulator is a versatile “workhorse” found in:
Microcontroller Power: Providing the standard 5V rail for Arduino, AVR, and PIC development boards.
USB Power Supplies: Converting 12V automotive power or 9V batteries into a 5V USB-compatible charging source.
Sensor Networks: Powering 5V sensors for temperature, humidity, and motion detection.
Legacy TTL Circuits: Supplying precise power to 74-series logic gates and vintage computer hardware.
Digital Displays: Driving 16×2 Character LCDs and 7-segment LED displays.
Pro-Tips for Circuit Integration
To maximize the reliability of your L7805CV 5V Voltage Regulator, follow these professional integration guidelines:
Pinout Configuration: Facing the front (labeled side) of the TO-220 package, the pins are 1: Input, 2: Ground, 3: Output. Note that for this positive regulator, the center pin is Ground.
Stability Capacitors: For a stable 5V output, place a 0.33µF ceramic capacitor on the Input and a 0.1µF ceramic capacitor on the Output as close to the IC pins as possible.
Heat Management: The L7805CV converts excess voltage into heat ($P = (V_{in} – 5V) \times I_{out}$). If you are dropping 12V to 5V at 1A, you are dissipating 7 Watts of heat—an aluminum heatsink is mandatory in this scenario.
Metal Tab Connection: The metal mounting tab of the L7805CV is internally connected to Pin 2 (Ground), which makes it very convenient to bolt directly to a metal chassis for heat dissipation.
Why Buy from BuyCircuitParts?
As a specialized seller, we understand that a faulty regulator can destroy an entire project. At BuyCircuitParts, our L7805CV 5V Voltage Regulator inventory is sourced from reputable manufacturers like STMicroelectronics to ensure genuine performance and safety features. We provide ICs with high-quality tinned leads for easy soldering and clear markings for easy identification. Our fast shipping and focus on genuine hardware help you build professional-grade systems and keep your assembly “on track.”
Durability and Thermal Stability
The L7805CV 5V Voltage Regulator is built for long-term reliability. Its internal circuitry is temperature-compensated to maintain a tight 5V tolerance across its entire operating range. Whether you are building a custom robotics platform, a home automation gateway, or a simple DIY project, this regulator provides the muscle and precision your silicon demands. By choosing BuyCircuitParts, you are investing in power management components designed for professional results.
📐 Approx Dimensions (TO-220 Package):
Height (body): ~10 mm
Height (with leads): ~27 mm
Width: ~10 mm
Lead Pitch: 2.54 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 L7805CV Datasheet (PDF).
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Additional information
| Weight | 10 g |
|---|---|
| Dimensions | 1 × 1 × 2.7 cm |
| HSN | 85423100 |
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