Overview
The MC79M15CT is a 3-terminal negative voltage regulator produced by onsemi. This device is part of the MC79M00 series, which offers fixed output voltage options. The MC79M15CT specifically provides a nominal output voltage of -15 V. It is designed to be robust and reliable, featuring internal thermal overload protection, short circuit current limiting, and safe-area compensation. This regulator is suitable for a variety of applications requiring stable negative voltage supplies.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | -14.4 | -15 | -15.6 | Vdc |
| Line Regulation (TJ = 25°C) | - | - | 80 | mV |
| Load Regulation (TJ = 25°C) | - | - | 240 | mV |
| Input Bias Current (TJ = 25°C) | - | 4.3 | 8.0 | mA |
| Output Noise Voltage (TA = 25°C, 10 Hz ≤ f ≤ 100 kHz) | - | 40 | - | μV |
| Ripple Rejection (f = 120 Hz) | 54 | 66 | - | dB |
| Dropout Voltage (IO = 500 mA, TJ = 25°C) | - | - | 1.1 | Vdc |
| Operating Junction Temperature Range | -40 | - | 125 | °C |
| Storage Junction Temperature | -65 | - | 150 | °C |
Key Features
- No external components required for operation.
- Internal thermal overload protection.
- Internal short circuit current limiting.
- Output transistor safe-area compensation.
- Available in surface mount DPAK (DT) package and TO-220 package.
- Pb-free packages available.
- Opposite polarity protection diode and reverse-bias protection diode for enhanced protection during startup, power off, and short-circuit operation.
Applications
The MC79M15CT is suitable for various applications requiring stable negative voltage supplies, such as:
- Power supplies and voltage regulators in electronic equipment.
- Industrial control systems.
- Automotive electronics.
- Telecommunication equipment.
- Medical devices.
Q & A
- What is the nominal output voltage of the MC79M15CT?
The nominal output voltage of the MC79M15CT is -15 V. - What are the key protection features of the MC79M15CT?
The MC79M15CT features internal thermal overload protection, internal short circuit current limiting, and safe-area compensation. - What packages are available for the MC79M15CT?
The MC79M15CT is available in surface mount DPAK (DT) package and TO-220 package. - Is the MC79M15CT Pb-free?
Yes, Pb-free packages are available for the MC79M15CT. - What is the operating junction temperature range of the MC79M15CT?
The operating junction temperature range is -40°C to +125°C. - What is the storage junction temperature range of the MC79M15CT?
The storage junction temperature range is -65°C to +150°C. - Does the MC79M15CT require external components for operation?
No, the MC79M15CT does not require external components for operation. - What is the ripple rejection of the MC79M15CT at 120 Hz?
The ripple rejection at 120 Hz is 54 dB to 66 dB. - What is the dropout voltage of the MC79M15CT at 500 mA and 25°C?
The dropout voltage at 500 mA and 25°C is 1.1 Vdc. - What are some common applications of the MC79M15CT?
The MC79M15CT is commonly used in power supplies, industrial control systems, automotive electronics, telecommunication equipment, and medical devices.
