Overview
The MC79M05BDTG is a 500 mA negative voltage regulator produced by onsemi. It is part of the MC79M00 series, which offers fixed output voltage options of −5.0 V, −8.0 V, −12 V, and −15 V. This specific model, the MC79M05BDTG, provides a nominal output voltage of −5.0 V. The regulator is designed to be robust, featuring internal current limiting, thermal shutdown, and safe-area compensation, making it suitable for a wide range of applications requiring stable negative voltage regulation.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | −4.8 | −5.0 | −5.2 | Vdc |
| Line Regulation (TJ = 25°C) | 2.0 | 7.0 | mV | |
| Load Regulation (TJ = 25°C) | 30 | 100 | 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 | ||
| Thermal Resistance, Junction-to-Ambient (DPAK-3) | 92 | °C/W | ||
| Thermal Resistance, Junction-to-Case (DPAK-3) | 6.0 | °C/W | ||
| 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 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 MC79M05BDTG is suitable for various applications requiring stable negative voltage regulation, such as:
- Power supplies and voltage regulators in electronic devices.
- Audio and video equipment.
- Industrial control systems.
- Medical devices.
- Automotive electronics.
Q & A
- What is the nominal output voltage of the MC79M05BDTG?
The nominal output voltage of the MC79M05BDTG is −5.0 V. - What are the key protection features of the MC79M05BDTG?
The key protection features include internal thermal overload protection, short circuit current limiting, and safe-area compensation. - What packages are available for the MC79M05BDTG?
The MC79M05BDTG is available in both surface mount DPAK (DT) and TO-220 packages. - Is the MC79M05BDTG Pb-free?
Yes, Pb-free packages are available for the MC79M05BDTG. - What is the maximum output current of the MC79M05BDTG?
The maximum output current of the MC79M05BDTG is 500 mA. - What is the operating junction temperature range for the MC79M05BDTG?
The operating junction temperature range is −40°C to +125°C. - Does the MC79M05BDTG require external components for operation?
No, the MC79M05BDTG does not require external components for operation. - What is the ripple rejection of the MC79M05BDTG at 120 Hz?
The ripple rejection at 120 Hz is 54 to 66 dB. - What is the dropout voltage of the MC79M05BDTG at 500 mA output current?
The dropout voltage at 500 mA output current is 1.1 Vdc. - Does the MC79M05BDTG have ESD protection?
Yes, the MC79M05BDTG has ESD protection exceeding Human Body Model 2000 V per MIL-STD-883, Method 3015 and Machine Model 200 V.
