Overview
The MC78M05CT is a three-terminal medium current positive fixed voltage regulator produced by Fairchild Semiconductor. This regulator is designed for local, on-card voltage regulation and is part of the 78M00 series. It offers a stable output voltage of 5 volts and is capable of delivering up to 0.5 amps of current. The device features internal current limiting and thermal shutdown circuitry, ensuring safe and reliable operation under various conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 5 | V |
| Output Current | Up to 0.5 | A |
| Input Voltage Range | 7.5 to 20 | V |
| Line Regulation | 100 mV | - |
| Load Regulation | 50 mV | - |
| Quiescent Current | 6 mA (typical) | - |
| Thermal Shutdown | Yes | - |
| Package Type | TO-220, TO-220FP | - |
| Operating Temperature Range | 0°C to 125°C | - |
Key Features
- Output current up to 0.5 amps
- Fixed output voltage of 5 volts
- Internal current limiting and thermal shutdown protection
- Low quiescent current of 6 mA (typical)
- Line and load regulation of 100 mV and 50 mV respectively
- Available in TO-220 and TO-220FP packages
- Operating temperature range from 0°C to 125°C
Applications
- Local, on-card voltage regulation in various electronic systems
- Power supplies for industrial, automotive, and consumer electronics
- Embedded systems requiring stable and regulated voltage
- Medical devices and equipment needing reliable voltage regulation
- Aerospace and defense applications where robust voltage regulation is critical
Q & A
- What is the output voltage of the MC78M05CT regulator?
The output voltage of the MC78M05CT regulator is 5 volts.
- What is the maximum output current of the MC78M05CT?
The maximum output current of the MC78M05CT is up to 0.5 amps.
- Does the MC78M05CT have thermal shutdown protection?
Yes, the MC78M05CT features internal thermal shutdown protection.
- What is the typical quiescent current of the MC78M05CT?
The typical quiescent current of the MC78M05CT is 6 mA.
- In what packages is the MC78M05CT available?
The MC78M05CT is available in TO-220 and TO-220FP packages.
- What is the operating temperature range of the MC78M05CT?
The operating temperature range of the MC78M05CT is from 0°C to 125°C.
- What are some common applications of the MC78M05CT?
The MC78M05CT is commonly used in local, on-card voltage regulation, power supplies, embedded systems, medical devices, and aerospace applications.
- Does the MC78M05CT have line and load regulation?
Yes, the MC78M05CT has line regulation of 100 mV and load regulation of 50 mV.
- Is the MC78M05CT suitable for high-current applications?
The MC78M05CT is suitable for applications requiring up to 0.5 amps of current.
- Can the MC78M05CT be used in automotive applications?
Yes, the MC78M05CT can be used in automotive applications due to its robust voltage regulation and thermal protection features.
