Overview
The MC7805BTG is a member of the MC7800 series of positive linear voltage regulators produced by onsemi. These regulators are monolithic integrated circuits designed for fixed-voltage regulation in various applications, including local, on-card regulation. The MC7805BTG is specifically configured to provide a fixed output voltage of 5.0 V.
This device is known for its reliability and robust features, making it suitable for a wide range of electronic systems. It is available in a TO-220 package, which is Pb-free, ensuring compliance with environmental regulations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 4.9 | 5.0 | 5.1 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 4.8 | 5.0 | 5.2 | Vdc |
| Line Regulation (7.5 Vdc ≤ Vin ≤ 25 Vdc, IO = 500 mA) | Regline | - | - | 1.3 | mV |
| Load Regulation (5.0 mA ≤ IO ≤ 1.0 A) | - | - | - | 10 | mV |
| Output Noise Voltage (10 Hz ≤ f ≤ 100 kHz) | Vn | - | - | 10 | µV/VO |
| Output Resistance (f = 1.0 kHz) | rO | - | - | 0.9 | mΩ |
| Short Circuit Current Limit (TA = 25°C) | ISC | - | - | 0.2 | A |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | - | - | -0.3 | mV/°C |
| Temperature Range | - | -40°C to +125°C | - | - | °C |
| Package | - | TO-220 | - | - | - |
Key Features
- Internal Current Limiting: The device includes internal current limiting to protect against overcurrent conditions.
- Thermal Overload Protection: It features internal thermal shutdown to prevent damage from overheating.
- Safe-Area Compensation: The output transistor has safe-area compensation to ensure reliable operation.
- No External Components Required: The regulator can operate without the need for external components, simplifying the design process.
- High Output Current: With adequate heatsinking, the MC7805BTG can deliver output currents in excess of 1.0 A.
- Output Voltage Tolerance: Available in 2% and 4% tolerance options.
- Pb-Free Packages: The device is available in Pb-free packages, making it environmentally friendly.
Applications
- Local, On-Card Regulation: Ideal for local voltage regulation on printed circuit boards.
- Industrial Systems: Suitable for use in various industrial applications requiring stable voltage regulation.
- Automotive Systems: The NCV7800 version is available for automotive applications, ensuring compliance with automotive standards.
- Consumer Electronics: Can be used in consumer electronics where a stable and reliable voltage source is necessary.
Q & A
- What is the output voltage of the MC7805BTG?
The output voltage of the MC7805BTG is 5.0 V.
- What is the maximum output current of the MC7805BTG?
The MC7805BTG can deliver output currents in excess of 1.0 A with adequate heatsinking.
- What are the key protection features of the MC7805BTG?
The device features internal current limiting, thermal shutdown, and safe-area compensation.
- What package types are available for the MC7805BTG?
The MC7805BTG is available in a TO-220 package.
- Is the MC7805BTG Pb-free?
Yes, the MC7805BTG is available in Pb-free packages.
- What is the temperature range for the MC7805BTG?
The temperature range for the MC7805BTG is -40°C to +125°C.
- Can the MC7805BTG be used for adjustable voltage regulation?
Yes, the MC7805BTG can be used with external components to obtain adjustable voltages and currents.
- What are some common applications for the MC7805BTG?
The MC7805BTG is commonly used in local, on-card regulation, industrial systems, automotive systems, and consumer electronics.
- Does the MC7805BTG require external components to operate?
No, the MC7805BTG can operate without the need for external components.
- What is the average temperature coefficient of output voltage for the MC7805BTG?
The average temperature coefficient of output voltage for the MC7805BTG is -0.3 mV/°C.
