Overview
The MC79M05CTG is a part of the MC79M00 series of fixed output negative voltage regulators produced by onsemi. This regulator is designed as a complement to the popular MC78M00 series devices. It offers a fixed output voltage of -5.0 V and is known for its robustness and reliability under various operating conditions. The MC79M05CTG features internal current limiting, thermal shutdown, and safe-area compensation, making it suitable for applications requiring stable and protected voltage regulation. With adequate heatsinking, it can deliver output currents exceeding 0.5 A.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | -4.8 | -5.0 | -5.2 | Vdc |
| Line Regulation (TJ = 25°C) | - | - | 5.0 mV | - |
| Load Regulation (TJ = 25°C) | - | - | 30 mV | - |
| Input Bias Current (TJ = 25°C) | - | - | 8.0 mA | - |
| Output Noise Voltage (TA = 25°C, 10 Hz ≤ f ≤ 100 kHz) | - | - | 60 µV | - |
| Ripple Rejection (f = 120 Hz) | 54 | 63 | - | dB |
| Dropout Voltage (IO = 500 mA, TJ = 25°C) | - | - | 1.1 Vdc | - |
| Operating Junction Temperature Range | -40°C | - | 125°C | - |
| Package | - | - | DPAK, TO-220 | - |
Key Features
- No External Components Required
- Internal Thermal Overload Protection
- Internal Short Circuit Current Limiting
- Output Transistor Safe-Area Compensation
- Available in Surface Mount DPAK (DT) Package
- Pb-Free Packages Available
Applications
The MC79M05CTG is suitable for various industrial and commercial applications where a stable negative voltage supply is required. It can be used in power supplies, voltage regulators, and other electronic systems that demand reliable and protected voltage regulation. Specific use cases include:
- Industrial control systems
- Telecommunication equipment
- Medical devices
- Automotive systems
- General-purpose voltage regulation in electronic circuits
Q & A
- What is the output voltage of the MC79M05CTG?
The output voltage of the MC79M05CTG is -5.0 V.
- What are the key protection features of the MC79M05CTG?
The MC79M05CTG features internal thermal overload protection, internal short circuit current limiting, and output transistor safe-area compensation.
- What is the maximum output current of the MC79M05CTG?
The MC79M05CTG can deliver output currents in excess of 0.5 A with adequate heatsinking.
- What are the available packages for the MC79M05CTG?
The MC79M05CTG is available in DPAK and TO-220 packages.
- Is the MC79M05CTG Pb-free?
- What is the operating junction temperature range of the MC79M05CTG?
The operating junction temperature range is -40°C to +125°C.
- Does the MC79M05CTG require external components for operation?
No, the MC79M05CTG does not require external components for operation.
- What is the ripple rejection of the MC79M05CTG at 120 Hz?
The ripple rejection at 120 Hz is 54 to 63 dB.
- What is the dropout voltage of the MC79M05CTG at 500 mA output current?
The dropout voltage at 500 mA output current is 1.1 Vdc.
- What are some common applications of the MC79M05CTG?
The MC79M05CTG is commonly used in industrial control systems, telecommunication equipment, medical devices, automotive systems, and general-purpose voltage regulation in electronic circuits.
