Overview
The MC79M05CDTRKG is a negative voltage regulator from onsemi, part of the MC79M00 series. This device is designed to provide a fixed output voltage of -5.0 V and is intended as a complement to the MC78M00 series. It features internal current limiting, thermal shutdown, and safe-area compensation, making it robust under various operating conditions. The regulator can deliver output currents up to 500 mA with adequate heatsinking.
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, 10 Hz ≤ f ≤ 100 kHz) | 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 |
| Thermal Resistance, Junction-to-Ambient | θJA | - | 92 | - | °C/W |
| Operating Junction Temperature Range | TJ | -40 | - | 125 | °C |
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 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 MC79M05CDTRKG is suitable for various applications requiring a stable negative voltage supply, such as:
- Power supplies and voltage regulators in electronic devices.
- Audio and video equipment requiring negative voltage rails.
- Industrial control systems and automation.
- Medical devices and equipment.
- Telecommunication systems.
Q & A
- What is the output voltage of the MC79M05CDTRKG?
The output voltage of the MC79M05CDTRKG is -5.0 V.
- What is the maximum output current of the MC79M05CDTRKG?
The maximum output current is 500 mA.
- Does the MC79M05CDTRKG require external components for operation?
No, the MC79M05CDTRKG does not require external components for operation.
- What are the thermal protection features of the MC79M05CDTRKG?
The device features internal thermal overload protection and short circuit current limiting.
- What are the available packages for the MC79M05CDTRKG?
The device is available in surface mount DPAK (DT) package and TO-220 package.
- Is the MC79M05CDTRKG Pb-free?
- What is the operating junction temperature range of the MC79M05CDTRKG?
The operating junction temperature range is -40°C to +125°C.
- What is the ripple rejection of the MC79M05CDTRKG at 120 Hz?
The ripple rejection at 120 Hz is 54 to 66 dB.
- What is the dropout voltage of the MC79M05CDTRKG at 500 mA output current?
The dropout voltage at 500 mA output current is 1.1 V.
- Does the MC79M05CDTRKG have ESD protection?
