78M05CV 5V Voltage Regulator IC

Description

Technical Overview of the 78M05 5V D-PAK Voltage Regulator IC

The 78M05 5V D-PAK Voltage Regulator IC is a high-efficiency surface-mount solution for stable 5V power regulation. Housed in the robust TO-252 (D-PAK) package, this IC offers a perfect balance between the compact size of SMD components and the thermal performance of larger through-hole regulators. It is designed to deliver up to 500mA of output current, making it ideal for modern PCBs where reliability and space-saving are equally important. At BuyCircuitParts, we ensure our D-PAK regulators are genuine and factory-tested to keep your production “on track.”

Key Specifications and Functional Parameters

78M05 5V D-PAK Voltage Regulator IC

To ensure this regulator fits your SMD power budget, here are the technical specifications:

• Output Voltage: Fixed +5.0V.

• Output Current: Up to 500mA (0.5A).

• Input Voltage Range: 7V to 25V (Recommended 7.5V to 18V).

• Package Type: TO-252 (D-PAK) Surface Mount.

• Internal Protection: Thermal overload protection and short-circuit current limiting.

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

Why Choose the D-PAK (TO-252) Package?

The 78M05 5V D-PAK Voltage Regulator IC is preferred for applications where the regulator might face significant thermal stress. The D-PAK package features a large metal back (tab) that is soldered directly to the PCB copper, acting as an integrated heatsink. This allows the 78M05 to handle higher power dissipation than smaller SMD packages like SOT-89. Its linear regulation ensures an extremely low-noise output, which is critical for sensitive digital circuits and RF applications. At BuyCircuitParts, our D-PAK stock is selected for high durability and consistent 5V delivery.

Common Applications for the 78M05 D-PAK IC

This versatile 78M05 5V D-PAK Voltage Regulator IC is a staple in modern electronic assembly:

1. Automotive Electronics: Regulating power for dashboard displays and sensor modules.

2. Telecommunications: Providing local 5V rails for networking hardware.

3. Consumer Electronics: Used in set-top boxes, routers, and game consoles.

4. Power Supplies: Serving as a secondary regulator in complex multi-stage power boards.

5. Industrial Automation: Powering SMD-based PLC modules and HMI screens.

Pro-Tips for D-PAK Circuit Integration

To maximize the performance of your 78M05 5V D-PAK Voltage Regulator IC, follow these professional tips:

• Pinout Alert (TO-252): Looking from the top, the pins are 1: Input, 2: Ground (Large Tab), 3: Output. Note that the center pin is usually cut short because it is internally connected to the large mounting tab (Ground).

• Thermal Design: To achieve the full 500mA current, ensure you have a large copper area (heatsink plane) on your PCB connected to the Ground tab.

• Capacitors: For the best stability, use a 0.33µF capacitor on the input and a 0.1µF capacitor on the output. SMD ceramic capacitors work best for this package.

• Voltage Overhead: Keep the input voltage at least 2V–3V higher than the output for stable regulation.

Why Buy from BuyCircuitParts?

As a specialized seller, we know that SMD component quality can make or break a project. At BuyCircuitParts, our 78M05 5V D-PAK Voltage Regulator IC is sourced from reputable manufacturers like STMicroelectronics to ensure genuine safety features and accurate voltage. Our D-PAK components feature excellent solderability for both manual and reflow soldering. 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 78M05 5V D-PAK Voltage Regulator IC is designed for years of consistent service. Its internal circuitry is temperature-compensated to maintain a tight output tolerance across its entire operating range. Whether you are building a custom IoT gateway, a robust sensor interface, or a compact hobbyist project, this regulator provides the stability and protection your silicon demands. By choosing BuyCircuitParts, you are investing in power management hardware designed for professional results.

📐 Approx Dimensions (SOT-223 (Surface Mount) Package):
Height: ~approx 1.6 mm (body), ~27 mm incl. leads
Width: ~approx 3.5 mm (body, excluding leads)
Length: ~approx 6.5 mm (body)
Lead Pitch: 2.3 mm
Mounting Hole: No (SMD)

🧊 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 graphs, refer to the 78M05 D-PAK Datasheet (PDF)

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