Overview
The MC7808ABD2TR4G is a 1.0 A positive voltage regulator produced by ON Semiconductor. This component is part of the MC78XX series, known for its high performance and reliability in voltage regulation. The MC7808ABD2TR4G is specifically designed to provide a stable output voltage of 8.0 V, making it suitable for a wide range of applications that require a regulated voltage supply.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 7.7 | 8.0 | 8.3 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 7.6 | 8.0 | 8.4 | Vdc |
| Line Regulation (7.5 Vdc ≤ Vin ≤ 25 Vdc, IO = 500 mA) | Regline | - | - | 10 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | Regload | - | - | 25 | mV |
| Quiescent Current | IB | - | 3.2 | 8.0 | mA |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.5 | mV/°C |
Key Features
- High Current Capability: The MC7808ABD2TR4G can supply up to 1.0 A of output current, making it suitable for power-hungry applications.
- Stable Output Voltage: The regulator provides a stable output voltage of 8.0 V with minimal line and load regulation.
- Thermal Stability: The device operates over a wide temperature range from -40°C to 125°C, ensuring reliability in various environmental conditions.
- Short Circuit Protection: It includes a short circuit current limit to protect the device from overcurrent conditions.
- Low Dropout Voltage: The dropout voltage is typically 2.0 V, which is beneficial for applications where input voltage is close to the output voltage.
Applications
The MC7808ABD2TR4G is versatile and can be used in a variety of applications, including:
- Power Supplies: For providing a stable 8.0 V output in power supply units.
- Industrial Control Systems: In control circuits that require a reliable voltage source.
- Consumer Electronics: In devices such as audio equipment, medical devices, and other consumer electronics that need a stable voltage supply.
- Automotive Systems: For use in automotive electronics where a stable voltage is crucial.
Q & A
- What is the output voltage of the MC7808ABD2TR4G?
The output voltage of the MC7808ABD2TR4G is 8.0 V. - What is the maximum output current of the MC7808ABD2TR4G?
The maximum output current is 1.0 A. - What is the operating temperature range of the MC7808ABD2TR4G?
The device operates from -40°C to 125°C. - Does the MC7808ABD2TR4G have short circuit protection?
Yes, it includes a short circuit current limit to protect the device. - What is the typical dropout voltage of the MC7808ABD2TR4G?
The typical dropout voltage is 2.0 V. - What are the key applications of the MC7808ABD2TR4G?
It is used in power supplies, industrial control systems, consumer electronics, and automotive systems. - How does the MC7808ABD2TR4G handle line and load regulation?
The device has minimal line and load regulation, ensuring a stable output voltage across various input and load conditions. - What is the quiescent current of the MC7808ABD2TR4G?
The quiescent current is typically 3.2 mA. - Is the MC7808ABD2TR4G suitable for high-temperature environments?
Yes, it is designed to operate reliably in high-temperature conditions up to 125°C. - Where can I find detailed specifications and datasheets for the MC7808ABD2TR4G?
Detailed specifications and datasheets can be found on the ON Semiconductor website or through distributors like Mouser and Digi-Key.
