Overview
The MC79M05CT is a three-terminal negative fixed voltage regulator produced by onsemi. This device is part of the MC79M00 series, designed to provide a stable negative output voltage and is intended as a complement to the MC78M00 series. The MC79M05CT specifically offers a fixed output voltage of -5.0 V. It is known for its robustness and reliability, featuring internal thermal overload protection, short circuit current limiting, and safe-area compensation, making it suitable for a wide range of applications.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | -4.8 | -5.0 | -5.2 | Vdc |
| Line Regulation (TJ = 25°C) | - | - | 7.0 | 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) | - | - | 40 | μV |
| Ripple Rejection (f = 120 Hz) | - | - | 54 | dB |
| Dropout Voltage (IO = 500 mA, TJ = 25°C) | - | - | 1.1 | Vdc |
| Thermal Resistance, Junction-to-Ambient (TO-220) | - | - | 65 | °C/W |
| Operating Junction Temperature Range | -40 | - | 125 | °C |
Key Features
- No external components required for operation.
- Internal thermal overload protection and short circuit current limiting.
- Safe-area compensation for the output transistor.
- Available in TO-220 and DPAK (DT) surface mount packages.
- Pb-free packages available.
- ESD protection exceeding Human Body Model 2000 V per MIL-STD-883, Method 3015.
Applications
The MC79M05CT is suitable for various applications requiring a stable negative voltage supply, such as:
- Power supplies and voltage regulators in electronic equipment.
- Audio and video equipment where negative voltage is required.
- Industrial control systems and automation.
- Medical devices and equipment.
- Telecommunication systems.
Q & A
- What is the output voltage of the MC79M05CT?
The output voltage of the MC79M05CT is -5.0 V.
- What are the key protection features of the MC79M05CT?
The device features internal thermal overload protection, short circuit current limiting, and safe-area compensation.
- What packages are available for the MC79M05CT?
The MC79M05CT is available in TO-220 and DPAK (DT) surface mount packages.
- Is the MC79M05CT Pb-free?
- What is the operating junction temperature range of the MC79M05CT?
The operating junction temperature range is -40°C to +125°C.
- What is the thermal resistance, junction-to-ambient, for the TO-220 package?
The thermal resistance, junction-to-ambient, for the TO-220 package is 65°C/W.
- Does the MC79M05CT require external components for operation?
No, the MC79M05CT does not require external components for operation.
- What is the ripple rejection of the MC79M05CT at 120 Hz?
The ripple rejection at 120 Hz is 54 dB.
- What is the dropout voltage of the MC79M05CT at 500 mA output current?
The dropout voltage at 500 mA output current is 1.1 Vdc.
- Does the MC79M05CT have ESD protection?
