Overview
The MC79M12CDTRK is a three-terminal negative fixed voltage regulator produced by Onsemi. This component is part of the MC79M00 series, designed to provide reliable and stable negative voltage regulation. It is available in various fixed output voltage options, with the MC79M12CDTRK specifically providing a nominal output voltage of -12 V. This regulator is known for its robust design, incorporating features such as current limiting, thermal shutdown, and safe-area compensation, making it suitable for a wide range of applications requiring negative voltage regulation.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | -11.5 | -12 | -12.5 | Vdc |
| Line Regulation, TJ = 25°C | Regline | - | - | 5.0 | mV |
| Load Regulation, TJ = 25°C | Regload | - | - | 30 | mV |
| Output Current | IO | - | - | 500 | mA |
| Operating Temperature Range | TJ | 0 | - | 125 | °C |
| Package | - | - | - | DPAK | - |
Key Features
- No external components required for operation.
- Internal thermal overload protection and short circuit current limiting.
- Output transistor safe-area compensation.
- Available in surface mount DPAK (DT) package.
- Pb-free packages available.
- Robust design with current limiting, thermal shutdown, and safe-area compensation.
Applications
The MC79M12CDTRK is suitable for various applications requiring stable negative voltage regulation, including:
- Power supplies and voltage regulators in electronic equipment.
- Audio and video equipment requiring negative voltage supplies.
- Industrial control systems and automation.
- Medical devices and equipment.
- Telecommunication systems and networking equipment.
Q & A
- What is the nominal output voltage of the MC79M12CDTRK?
The nominal output voltage of the MC79M12CDTRK is -12 V.
- What are the key features of the MC79M12CDTRK?
The key features include no external components required, internal thermal overload protection, short circuit current limiting, output transistor safe-area compensation, and availability in surface mount DPAK packages.
- What is the maximum output current of the MC79M12CDTRK?
The maximum output current is 500 mA.
- What is the operating temperature range of the MC79M12CDTRK?
The operating temperature range is from 0°C to 125°C.
- Is the MC79M12CDTRK available in Pb-free packages?
- What type of package is the MC79M12CDTRK available in?
The MC79M12CDTRK is available in the DPAK (DT) package.
- What are some common applications for the MC79M12CDTRK?
- Does the MC79M12CDTRK require external capacitors for operation?
No, the MC79M12CDTRK does not require external components for operation, but external capacitors may be used for additional stability.
- How does the MC79M12CDTRK protect against thermal overload?
The MC79M12CDTRK has internal thermal overload protection and short circuit current limiting.
- What is the purpose of the safe-area compensation in the MC79M12CDTRK?
The safe-area compensation ensures the output transistor operates within a safe operating area, enhancing the regulator's reliability and performance.
