Overview
The MC79M05CDTG is a fixed output negative voltage regulator from Onsemi, designed to provide a stable output voltage of -5.0 V. This regulator is part of the MC79M00 series, which includes other fixed output voltage options such as -8.0 V, -12 V, and -15 V. The MC79M05CDTG is intended as a complement to the popular MC78M00 series devices and is known for its robustness and reliability under various operating conditions.
This device is available in both TO-220 and DPAK (DT) packages, with Pb-free options, making it suitable for a wide range of applications where negative voltage regulation is required.
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 (DPAK−3) | 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 Method 200 V.
Applications
The MC79M05CDTG 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 negative voltage is necessary.
- Industrial control systems and automation.
- Medical devices and equipment requiring stable negative voltages.
- Telecommunication systems and networking equipment.
Q & A
- What is the output voltage of the MC79M05CDTG?
The output voltage of the MC79M05CDTG is -5.0 V.
- What are the key protection features of the MC79M05CDTG?
The device features internal thermal overload protection, short circuit current limiting, and safe-area compensation.
- What packages are available for the MC79M05CDTG?
The device is available in both TO-220 and DPAK (DT) packages, with Pb-free options.
- What is the maximum output current of the MC79M05CDTG?
The maximum output current is 500 mA.
- What is the dropout voltage for the MC79M05CDTG?
The dropout voltage is 1.1 Vdc at IO = 500 mA and TJ = 25°C.
- Does the MC79M05CDTG require any external components for operation?
No, the MC79M05CDTG does not require any external components for operation.
- What is the thermal resistance of the DPAK-3 package for the MC79M05CDTG?
The thermal resistance, junction-to-ambient (θJA), for the DPAK-3 package is 92 °C/W.
- What is the operating junction temperature range for the MC79M05CDTG?
The operating junction temperature range is -40°C to +125°C.
- Does the MC79M05CDTG have ESD protection?
Yes, the device has ESD protection exceeding Human Body Model 2000 V per MIL_STD_883, Method 3015 and Machine Model Method 200 V.
- What are some common applications for the MC79M05CDTG?
The device is commonly used in power supplies, audio and video equipment, industrial control systems, medical devices, and telecommunication systems.
