Overview
The MC7805CT is a voltage regulator integrated circuit designed to provide a fixed 5V output voltage for a wide range of applications, including local and on-card regulation. Manufactured by ON Semiconductor, this component is part of the MC7800 series of voltage regulators and is capable of providing up to 1A of output current. It employs internal current limiting, thermal shutdown, and safe-area compensation to ensure stable and reliable operation.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage | 4.8 | 5.0 | 5.2 | V |
| Output Current | - | - | 1.0 | A |
| Input Voltage, Min | - | - | 7 | V |
| Input Voltage, Max | - | - | 35 | V |
| Minimum Operating Temperature | - | - | 0 | °C |
| Maximum Operating Temperature | - | - | 125 | °C |
| Load Regulation | - | - | 25 | mV |
| Line Regulation | - | - | 20 | mV |
| Quiescent Current | - | - | 6.5 | mA |
Key Features
- Fixed output voltage of 5V
- Output current up to 1A
- Internal thermal overload protection
- Internal short circuit current limiting
- Output transistor safe-area protection
- No external components required
- Output voltage accuracy within ±4%
- TO-220 package for heat sinking
Applications
- HVAC systems
- Household electronic machines
- AC-DC power supplies
- Power adapters
- Consumer electronics
Q & A
- Q: What is the output voltage of the MC7805CT?
A: The output voltage of the MC7805CT is 5 volts. - Q: What is the maximum output current of the MC7805CT?
A: The maximum output current of the MC7805CT is 1 ampere. - Q: Does the MC7805CT have thermal overload protection?
A: Yes, the MC7805CT features thermal overload protection. - Q: Is the MC7805CT suitable for use in industrial applications?
A: Yes, the MC7805CT is suitable for use in industrial applications. - Q: What package types are available for the MC7805CT?
A: The MC7805CT is available in surface mount D2PAK-3, DPAK-3, and standard 3-lead transistor packages. - Q: How do I connect the MC7805CT in my circuit?
A: Connect the input terminal to the positive terminal of your input voltage source, the common terminal to ground, and the output terminal to your circuit. Use capacitors for stability if necessary. - Q: What is the minimum input voltage required for the MC7805CT?
A: The minimum input voltage should be at least 2V greater than the output voltage, i.e., at least 7V. - Q: Does the MC7805CT require external components for operation?
A: No, the MC7805CT does not require external components for operation. - Q: What is the output voltage accuracy of the MC7805CT?
A: The output voltage accuracy of the MC7805CT is within ±4%. - Q: How does the MC7805CT protect against short circuits?
A: The MC7805CT includes internal short circuit current limiting to protect against short circuits.
