Overview
The MC79L05ABPRAG is a negative linear voltage regulator from onsemi, part of the MC79L00A Series. This regulator is designed to be inexpensive and easy to use, making it suitable for various applications that require up to 100 mA of current. It features thermal shutdown and current limiting, enhancing its ruggedness and reliability. In most cases, no external components are necessary for its operation, making it a convenient choice for on-card regulation or any application needing a regulated negative voltage at a modest current level.
This regulator offers significant advantages over traditional resistor/Zener diode configurations, including low cost and the availability of Pb-free packages.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Nominal Output Voltage | -5.0 | Vdc |
| Output Current (Typical) | 100 | mA |
| Input Voltage Range | -6.7 to -30 | Vdc |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | 1.7 | Vdc |
| Temperature Range | -40°C to +125°C | °C |
| Package Type | TO-92 (Pb-Free) | |
| Maximum Operating Temperature | +125 | °C |
| Power Dissipation | 625 mW | mW |
| Ripple Rejection (RR) at 120 Hz | 49 dB | dB |
| Noise Voltage (10 Hz to 100 kHz) | 200 μVrms | μVrms |
Key Features
- No external components required for operation.
- Internal short circuit current limiting.
- Internal thermal overload protection.
- Low cost.
- Complementary positive regulators offered (MC78L00 Series).
- Pb-free packages available.
Applications
The MC79L05ABPRAG is useful in various applications requiring regulated negative voltages, such as:
- On-card regulation.
- Any application needing a regulated negative voltage at a modest current level.
- Industrial and automotive applications where ruggedness and reliability are crucial.
Q & A
- What is the nominal output voltage of the MC79L05ABPRAG?
The nominal output voltage is -5.0 Vdc.
- What is the maximum output current of the MC79L05ABPRAG?
The maximum output current is 100 mA.
- What is the input voltage range for the MC79L05ABPRAG?
The input voltage range is from -6.7 Vdc to -30 Vdc.
- What is the dropout voltage at 40 mA and 25°C junction temperature?
The dropout voltage is 1.7 Vdc.
- What are the temperature ranges for the MC79L05ABPRAG?
The operating temperature range is -40°C to +125°C.
- What type of package is the MC79L05ABPRAG available in?
The MC79L05ABPRAG is available in a TO-92 (Pb-Free) package.
- What is the maximum power dissipation of the MC79L05ABPRAG?
The maximum power dissipation is 625 mW.
- Does the MC79L05ABPRAG require external components for operation?
No, in most applications, no external components are required.
- What protection features does the MC79L05ABPRAG have?
The MC79L05ABPRAG features internal short circuit current limiting and internal thermal overload protection.
- Are Pb-free packages available for the MC79L05ABPRAG?
