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MC7805ACD2T from MOTO,Motorola

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MC7805ACD2T

Manufacturer: MOTO, ON

Three-terminal positive fixed voltage regulator

Partnumber Manufacturer Quantity Availability
MC7805ACD2T MOTO, ON 66 In Stock

Description and Introduction

Three-terminal positive fixed voltage regulator # **MC7805ACD2T: A Reliable Linear Voltage Regulator for Stable Power Supply**  

In the world of electronics, maintaining a stable voltage supply is crucial for the optimal performance of circuits and devices. The **MC7805ACD2T** is a high-quality linear voltage regulator designed to deliver a fixed **5V DC output** with precision and reliability. This component is widely used in power supply applications, offering robust performance, thermal protection, and ease of integration.  

## **Key Features of the MC7805ACD2T**  

### **1. Fixed 5V Output with High Accuracy**  
The MC7805ACD2T provides a steady **5V output voltage**, making it ideal for powering microcontrollers, sensors, and other low-voltage digital circuits. With a tight output tolerance, it ensures consistent performance even under varying load conditions.  

### **2. High Current Capacity**  
Capable of delivering up to **1A of output current**, this regulator can support a wide range of applications without requiring additional amplification. Its internal current-limiting feature protects against overloads, enhancing circuit safety.  

### **3. Thermal Overload Protection**  
Built-in thermal shutdown prevents damage due to excessive heat, automatically disabling the regulator if temperatures exceed safe limits. This feature extends the component’s lifespan and improves system reliability.  

### **4. Low Dropout Voltage**  
While not an LDO (Low Dropout) regulator, the MC7805ACD2T maintains stable operation with a relatively low input-to-output differential, ensuring efficient performance in standard applications.  

### **5. Wide Operating Temperature Range**  
Designed for versatility, this regulator operates efficiently within a **temperature range of 0°C to +125°C**, making it suitable for industrial, automotive, and consumer electronics.  

## **Applications of the MC7805ACD2T**  

The MC7805ACD2T is a versatile component used in various electronic systems, including:  
- **Power Supplies** – Provides stable voltage for embedded systems, IoT devices, and prototyping boards.  
- **Consumer Electronics** – Used in audio equipment, gaming consoles, and home automation devices.  
- **Industrial Controls** – Ensures reliable voltage regulation in PLCs, motor controllers, and instrumentation.  
- **Automotive Electronics** – Supports infotainment systems, sensors, and dashboard controls.  

## **Why Choose the MC7805ACD2T?**  

Engineers and designers favor the MC7805ACD2T for its **simplicity, durability, and cost-effectiveness**. Unlike switching regulators, linear regulators like this one produce minimal noise, making them ideal for noise-sensitive applications. Additionally, its **TO-252 (DPAK) package** allows for efficient heat dissipation and easy PCB mounting.  

For projects requiring a dependable **5V power source**, the MC7805ACD2T remains a trusted choice, combining performance, protection, and ease of use in a single compact package.  

Whether you're developing a new circuit or upgrading an existing power supply, this regulator ensures consistent voltage delivery, safeguarding your electronics from fluctuations and instability.

Application Scenarios & Design Considerations

Three-terminal positive fixed voltage regulator

Alternative Part Number

  • LM7805ACT --: Pin-compatible 5V linear regulator in TO-220, same 1A rating and similar dropout; ON Semiconductor is the successor to Motorola's discrete business, so it is a direct and reliable replacement.
  • L7805ACV --: Widely available 5V/1A positive voltage regulator in TO-220 with comparable electrical characteristics and thermal performance, suitable as a drop-in substitute.
  • UA7805CKCS --: Standard 5V/1A linear regulator in TO-220 with similar line/load regulation and protection features, offering a second-source option from a major manufacturer.
  • KA7805A --: 5V 1A three-terminal regulator with equivalent electrical characteristics and compatible package options.

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