Overview
The MC78L05ACP is a three-terminal low current positive voltage regulator produced by Fairchild Semiconductor. This device is part of the MC78L00A series, known for its ease of use, low cost, and suitability for a wide range of applications requiring regulated voltage. The MC78L05ACP is specifically designed to provide a fixed output voltage of 5.0 volts and is available in various packages, including the TO-92 package.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage (TJ = +25°C) | 4.8 - 5.2 | Vdc |
| Input Voltage Range | 7.0 - 20 | Vdc |
| Operating Temperature Range | -40 to +125 | °C |
| Quiescent Current (Iq) | 5.5 | mA |
| Line Regulation (TJ = +25°C, IO = 40 mA) | 45 - 55 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | 11 - 60 | mV |
| Ripple Rejection (IO = 40 mA, f = 120 Hz) | 41 - 49 | dB |
| Dropout Voltage (TJ = +25°C) | 1.7 | V |
| Maximum Junction Temperature | 150 | °C |
Key Features
- Wide range of available fixed output voltages
- Low cost and easy to use
- Internal short circuit current limiting and thermal overload protection
- No external components required for operation
- Complementary negative regulators available (MC79L00A series)
- AEC-Q100 qualified and PPAP capable for automotive and other critical applications
- Pb-free devices
Applications
The MC78L05ACP is suitable for a variety of applications that require a regulated voltage supply. These include:
- Consumer electronics
- Industrial control systems
- Automotive systems (with NCV prefix for specific requirements)
- Medical devices
- General-purpose voltage regulation in electronic circuits
Q & A
- What is the output voltage of the MC78L05ACP?
The output voltage of the MC78L05ACP is 5.0 volts, with a tolerance range of 4.8 to 5.2 volts at TJ = +25°C. - What is the operating temperature range of the MC78L05ACP?
The operating temperature range is -40°C to +125°C. - What is the quiescent current of the MC78L05ACP?
The quiescent current (Iq) is 5.5 mA. - Does the MC78L05ACP require external components for operation?
No, the MC78L05ACP does not require external components for operation. - What is the dropout voltage of the MC78L05ACP?
The dropout voltage is 1.7 volts at TJ = +25°C. - Is the MC78L05ACP suitable for automotive applications?
Yes, with the NCV prefix, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive and other critical applications. - What is the maximum junction temperature of the MC78L05ACP?
The maximum junction temperature is 150°C. - What is the ripple rejection of the MC78L05ACP?
The ripple rejection is 41 to 49 dB at IO = 40 mA and f = 120 Hz. - What are the common applications of the MC78L05ACP?
Common applications include consumer electronics, industrial control systems, automotive systems, medical devices, and general-purpose voltage regulation. - Is the MC78L05ACP Pb-free?
Yes, the MC78L05ACP is a Pb-free device.
