Overview
The MC79M05CDT is a three-terminal negative fixed voltage regulator produced by onsemi. This device is part of the MC79M00 series, designed to provide stable negative output voltages. It is available in various fixed output voltage options, with the MC79M05CDT specifically providing a nominal output voltage of -5.0 V. This regulator is designed to be robust, 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 | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | -4.8 | -5.0 | -5.2 | Vdc |
| Line Regulation, TJ = 25°C | Regline | - | - | 7.0 | mV |
| Load Regulation, TJ = 25°C | Regload | - | - | 100 | mV |
| Input Bias Current (TJ = 25°C) | IIB | - | 4.3 | 8.0 | mA |
| Output Noise Voltage, TA = 25°C | Vn | - | 40 | - | μV |
| Ripple Rejection (f = 120 Hz) | RR | 54 | 66 | - | dB |
| Dropout Voltage IO = 500 mA, TJ = 25°C | VI-VO | - | 1.1 | - | Vdc |
| Operating Junction Temperature Range | TJ | -40 | - | 125 | °C |
| Thermal Resistance, Junction-to-Ambient | θJA | - | 92 | - | °C/W |
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 surface mount DPAK (DT) package and TO-220 package.
- Pb-free packages available.
- ESD protection exceeding Human Body Model 2000 V per MIL-STD-883, Method 3015 and Machine Model 200 V.
Applications
The MC79M05CDT is suitable for various applications requiring stable negative voltage regulation, such as:
- Power supplies and voltage regulators in electronic equipment.
- Audio and video equipment where stable negative voltages are necessary.
- Industrial control systems and automation.
- Medical devices requiring precise voltage regulation.
- Telecommunication equipment and networking devices.
Q & A
- What is the nominal output voltage of the MC79M05CDT?
The nominal output voltage of the MC79M05CDT is -5.0 V.
- What are the key protection features of the MC79M05CDT?
The MC79M05CDT features internal thermal overload protection, short circuit current limiting, and safe-area compensation.
- What packages are available for the MC79M05CDT?
The MC79M05CDT is available in surface mount DPAK (DT) and TO-220 packages.
- Is the MC79M05CDT Pb-free?
- What is the operating junction temperature range for the MC79M05CDT?
The operating junction temperature range for the MC79M05CDT is -40°C to +125°C.
- What is the thermal resistance, junction-to-ambient for the DPAK package?
The thermal resistance, junction-to-ambient for the DPAK package is 92 °C/W.
- Does the MC79M05CDT require external components for operation?
No, the MC79M05CDT does not require external components for operation.
- What is the ripple rejection of the MC79M05CDT at 120 Hz?
The ripple rejection of the MC79M05CDT at 120 Hz is 54 to 66 dB.
- What is the dropout voltage for the MC79M05CDT at 500 mA output current?
The dropout voltage for the MC79M05CDT at 500 mA output current is 1.1 V.
- Does the MC79M05CDT have ESD protection?
