Overview
The MC78L12ABD is a three-terminal low current positive voltage regulator produced by onsemi. This component is designed to provide a stable output voltage with minimal current draw, making it suitable for a variety of low-power applications. The MC78L12ABD is part of the MC78L00A series, which offers a range of fixed output voltages. This regulator features internal current limiting, thermal shutdown, and a high ripple rejection ratio, ensuring reliable operation in diverse environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 12 | V |
| Output Current | 100 | mA |
| Input Voltage Range | 14.5 to 30 | V |
| Line Regulation | 0.1 | %/V |
| Load Regulation | 0.3 | % |
| Ripple Rejection Ratio | 70 | dB |
| Operating Temperature Range | -40 to 125 | °C |
| Package Types | TO-92, TO-220, etc. |
Key Features
- Internal Current Limiting: Protects the regulator from overcurrent conditions.
- Thermal Shutdown: Automatically shuts down the regulator in case of overheating.
- High Ripple Rejection Ratio: Ensures a stable output voltage even with noisy input.
- Low Dropout Voltage: Allows the regulator to maintain its output voltage even when the input voltage is close to the output voltage.
- Compact Packages: Available in various packages such as TO-92 and TO-220, making it suitable for different application requirements.
Applications
- Low-Power Electronic Devices: Suitable for devices that require stable voltage regulation with minimal power consumption.
- Embedded Systems: Often used in embedded systems where space and power efficiency are crucial.
- Industrial Control Systems: Used in industrial control systems that require reliable voltage regulation.
- Consumer Electronics: Found in various consumer electronics such as audio equipment, medical devices, and more.
Q & A
- What is the output voltage of the MC78L12ABD?
The output voltage of the MC78L12ABD is 12 volts.
- What is the maximum output current of the MC78L12ABD?
The maximum output current of the MC78L12ABD is 100 mA.
- What is the input voltage range for the MC78L12ABD?
The input voltage range for the MC78L12ABD is from 14.5 to 30 volts.
- Does the MC78L12ABD have internal current limiting?
Yes, the MC78L12ABD has internal current limiting to protect against overcurrent conditions.
- What is the ripple rejection ratio of the MC78L12ABD?
The ripple rejection ratio of the MC78L12ABD is 70 dB.
- What are the common package types for the MC78L12ABD?
The MC78L12ABD is available in packages such as TO-92 and TO-220.
- What is the operating temperature range for the MC78L12ABD?
The operating temperature range for the MC78L12ABD is from -40°C to 125°C.
- Is the MC78L12ABD suitable for high-power applications?
No, the MC78L12ABD is designed for low-power applications due to its 100 mA output current limit.
- Does the MC78L12ABD have thermal shutdown protection?
Yes, the MC78L12ABD has thermal shutdown protection to prevent overheating.
- What are some common applications for the MC78L12ABD?
The MC78L12ABD is commonly used in low-power electronic devices, embedded systems, industrial control systems, and consumer electronics.
