Overview
The MC7805BD2T is a monolithic integrated circuit designed as a fixed-voltage regulator, produced by onsemi. This component is part of the MC78XX series, which is widely used for various applications requiring stable voltage regulation. The MC7805BD2T is specifically designed to provide a fixed output voltage of 5 volts, making it suitable for systems that require a reliable and stable 5V power supply.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 4.8 | 5.0 | 5.2 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 4.75 | 5.0 | 5.25 | Vdc |
| Input Voltage Range | Vin | 7.0 | - | 20 | Vdc |
| Output Current | IO | - | - | 2.2 | A |
| Line Regulation (7.5 Vdc ≤ Vin ≤ 20 Vdc, IO = 1.0 A) | Regline | - | 0.5 | 10 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | Regload | - | 1.3 | 25 | mV |
| Quiescent Current | IB | 3.2 | - | 8.0 | mA |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | -0.3 | - | mV/°C |
Key Features
- Fixed Output Voltage: The MC7805BD2T provides a stable output voltage of 5 volts, making it ideal for applications requiring a reliable 5V power supply.
- High Current Capability: The regulator can supply up to 2.2 amps of output current, suitable for a wide range of applications.
- Line and Load Regulation: Excellent line and load regulation ensure that the output voltage remains stable despite changes in input voltage and load current.
- Thermal Protection: Internal thermal shutdown and current limiting protect the device from overheating and overcurrent conditions.
- Low Dropout Voltage: The dropout voltage is typically 2.0 volts, which is the minimum voltage difference required between the input and output to maintain regulation.
- Output Noise and Resistance: Low output noise and output resistance contribute to a clean and stable output voltage.
Applications
- Embedded Systems: Suitable for powering microcontrollers, sensors, and other components in embedded systems.
- Industrial Control Systems: Used in industrial control systems where stable voltage regulation is crucial.
- Consumer Electronics: Found in various consumer electronics such as audio equipment, medical devices, and other electronic appliances.
- Automotive Systems: Can be used in automotive systems where reliable voltage regulation is necessary.
- Power Supplies: Often used in linear power supplies to provide a stable output voltage.
Q & A
- What is the output voltage of the MC7805BD2T?
The output voltage of the MC7805BD2T is 5 volts.
- What is the maximum output current of the MC7805BD2T?
The maximum output current of the MC7805BD2T is 2.2 amps.
- What is the input voltage range for the MC7805BD2T?
The input voltage range for the MC7805BD2T is from 7.0 volts to 20 volts.
- What is the typical dropout voltage for the MC7805BD2T?
The typical dropout voltage for the MC7805BD2T is 2.0 volts.
- Does the MC7805BD2T have thermal protection?
Yes, the MC7805BD2T has internal thermal shutdown and current limiting for protection against overheating and overcurrent conditions.
- What is the average temperature coefficient of output voltage for the MC7805BD2T?
The average temperature coefficient of output voltage for the MC7805BD2T is -0.3 mV/°C.
- What is the quiescent current of the MC7805BD2T?
The quiescent current of the MC7805BD2T is typically between 3.2 mA and 8.0 mA.
- What are the typical applications of the MC7805BD2T?
The MC7805BD2T is typically used in embedded systems, industrial control systems, consumer electronics, automotive systems, and power supplies.
- How does the MC7805BD2T ensure stable output voltage?
The MC7805BD2T ensures stable output voltage through excellent line and load regulation, as well as low output noise and resistance.
- What is the package type of the MC7805BD2T?
The MC7805BD2T is available in D2PAK-3 and other similar packages.
