仕様
| 属性 | 値 |
| Package / Case | Tube |
| Part Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 35V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage Dropout (Max) | 2V @ 1A (Typ) |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 6.5 mA |
| PSRR | 83dB (120Hz) |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Mounting Type | Through Hole |
概要
Description
The MC7805CT is a voltage regulator integrated circuit (IC) designed to provide a stable 5V output from a higher input voltage, typically ranging from 7V to 20V. It is part of the 7805 series of voltage regulators, commonly used in various electronic applications for power management and ensuring consistent voltage supply to components.
The "CT" designation indicates the package type, typically a TO-220, which is a popular choice due to its ability to dissipate heat efficiently. The MC7805CT can deliver up to 1A of output current, making it suitable for many low to moderate power applications. It includes built-in features such as thermal overload protection, short-circuit protection, and safe area protection, enhancing its reliability and robustness.
This regulator is widely used in DIY electronics projects, consumer electronics, and embedded systems that require a steady 5V power supply. Its ease of use, with only the need for input and output capacitors for stability, makes it a staple component for both hobbyists and professionals.
The "CT" designation indicates the package type, typically a TO-220, which is a popular choice due to its ability to dissipate heat efficiently. The MC7805CT can deliver up to 1A of output current, making it suitable for many low to moderate power applications. It includes built-in features such as thermal overload protection, short-circuit protection, and safe area protection, enhancing its reliability and robustness.
This regulator is widely used in DIY electronics projects, consumer electronics, and embedded systems that require a steady 5V power supply. Its ease of use, with only the need for input and output capacitors for stability, makes it a staple component for both hobbyists and professionals.
Equivalent
The MC7805CT is a 5V linear voltage regulator. Equivalent products include:
1. LM7805 by Texas Instruments
2. UA7805 by Fairchild Semiconductor or ON Semiconductor
3. L7805 by STMicroelectronics
4. KA7805 by Samsung
5. NTE960 by NTE Electronics
These alternatives provide similar functionality in terms of output voltage, current capacity, and package type. Always check the datasheets for specific electrical characteristics and thermal considerations.
1. LM7805 by Texas Instruments
2. UA7805 by Fairchild Semiconductor or ON Semiconductor
3. L7805 by STMicroelectronics
4. KA7805 by Samsung
5. NTE960 by NTE Electronics
These alternatives provide similar functionality in terms of output voltage, current capacity, and package type. Always check the datasheets for specific electrical characteristics and thermal considerations.
Features
The MC7805CT is a voltage regulator featuring the following key characteristics:
1. Output Voltage: It provides a fixed output voltage of 5V.
2. Output Current: The device supports an output current up to 1.5A.
3. Input Voltage Range: It typically requires an input voltage between 7V to 25V.
4. Thermal Overload Protection: Incorporates safety features to prevent overheating.
5. Short Circuit Protection: Safeguards against damage due to short circuits.
6. Safe Operating Area Protection: Ensures the device operates within its safe limits.
7. Model Type: It is a linear voltage regulator, known for simplicity and minimal noise.
8. Form Factor: Comes in a TO-220 package, which is standard for power devices and allows for easy heat dissipation.
9. Stability: Requires external capacitors for stability, typically a 0.33µF capacitor on the input and a 0.1µF capacitor on the output.
These features make the MC7805CT ideal for applications needing a reliable 5V power supply, such as in microcontroller or digital circuit power systems.
1. Output Voltage: It provides a fixed output voltage of 5V.
2. Output Current: The device supports an output current up to 1.5A.
3. Input Voltage Range: It typically requires an input voltage between 7V to 25V.
4. Thermal Overload Protection: Incorporates safety features to prevent overheating.
5. Short Circuit Protection: Safeguards against damage due to short circuits.
6. Safe Operating Area Protection: Ensures the device operates within its safe limits.
7. Model Type: It is a linear voltage regulator, known for simplicity and minimal noise.
8. Form Factor: Comes in a TO-220 package, which is standard for power devices and allows for easy heat dissipation.
9. Stability: Requires external capacitors for stability, typically a 0.33µF capacitor on the input and a 0.1µF capacitor on the output.
These features make the MC7805CT ideal for applications needing a reliable 5V power supply, such as in microcontroller or digital circuit power systems.
Pinout
The MC7805CT is a voltage regulator integrated circuit (IC) with three pins. Its primary function is to provide a stable 5V output voltage from a higher input voltage, typically ranging from 7V to 25V. Here is a brief description of its pin functions:
1. Input (Pin 1): This pin receives the unregulated input voltage which the regulator will convert to a stable 5V output. It must be higher than the desired output voltage, usually at least 7V.
2. Ground (Pin 2): This pin is connected to the ground of the circuit. It serves as a reference point for the input and output voltages and is crucial for the regulator's operation.
3. Output (Pin 3): This pin provides the regulated 5V output. It connects to the circuit requiring a stable voltage supply.
The MC7805CT is commonly used in electronic circuits that require a consistent 5V power supply, such as microcontrollers and digital circuits. It also includes features such as current limiting, thermal shutdown, and safe area protection for reliable operation.
1. Input (Pin 1): This pin receives the unregulated input voltage which the regulator will convert to a stable 5V output. It must be higher than the desired output voltage, usually at least 7V.
2. Ground (Pin 2): This pin is connected to the ground of the circuit. It serves as a reference point for the input and output voltages and is crucial for the regulator's operation.
3. Output (Pin 3): This pin provides the regulated 5V output. It connects to the circuit requiring a stable voltage supply.
The MC7805CT is commonly used in electronic circuits that require a consistent 5V power supply, such as microcontrollers and digital circuits. It also includes features such as current limiting, thermal shutdown, and safe area protection for reliable operation.
Manufacturer
The MC7805CT is a voltage regulator manufactured by ON Semiconductor, which is now known as onsemi. Onsemi is a leading semiconductor supplier focused on energy-efficient electronics. They design and manufacture a wide range of semiconductor components, including power and signal management, logic, discrete, and custom devices, for automotive, communications, computing, consumer, industrial, LED lighting, medical, military/aerospace, and power applications. Onsemi is renowned for providing solutions that help reduce global energy use, and they are committed to sustainability and innovation in the semiconductor industry.
Application
The MC7805CT is a voltage regulator that provides a constant output of 5V, making it ideal for various applications. It is commonly used in power supply circuits for microcontrollers, sensors, and other digital devices that require stable voltage. The regulator is also suitable for consumer electronics, telecommunications equipment, and industrial automation systems. Additionally, it can be found in embedded systems and DIY electronics projects, where maintaining accurate voltage is crucial. Its thermal overload protection and short-circuit current limiting features enhance its reliability in diverse environments.
Package
The MC7805CT is a voltage regulator packaged in a TO-220 form. This package type is commonly used for power components and allows for easy mounting and heat dissipation due to its metal tab, which can be connected to a heatsink.
