Overview
The MC79L05ABPRA is a negative voltage regulator from onsemi, part of the MC79L00A Series. These regulators are designed to be inexpensive and easy to use, making them suitable for a wide range of applications that require up to 100 mA of current. They feature internal current limiting and thermal shutdown, enhancing their ruggedness and reliability. The MC79L05ABPRA is particularly useful for on-card regulation or any application requiring a regulated negative voltage at modest current levels.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | -4.8 | -5.0 | -5.2 | Vdc |
| Input Regulation (TJ = +25°C) | -7.0 | - | -8.0 | Vdc |
| Dropout Voltage (IO = 40 mA, TJ = +25°C) | - | - | 1.7 | Vdc |
| Input Bias Current (TJ = +25°C) | - | - | 6.5 | mA |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package | - | - | TO-92 (Pb-Free) | - |
Key Features
- No external components required for operation.
- Internal short circuit current limiting.
- Internal thermal overload protection.
- Low cost.
- Complementary positive regulators available (MC78L00 Series).
- 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 MC79L05ABPRA is suitable for various applications requiring regulated negative voltage, including:
- On-card regulation.
- Replacement for Zener-diode and resistor combinations.
- Any application needing a regulated negative voltage at modest current levels.
Q & A
- What is the output voltage of the MC79L05ABPRA?
The output voltage is typically -5.0 V, with a range of -4.8 V to -5.2 V at TJ = +25°C.
- What is the maximum current output of the MC79L05ABPRA?
The maximum current output is up to 100 mA.
- Does the MC79L05ABPRA require external components for operation?
No, the MC79L05ABPRA does not require external components for operation.
- What are the thermal protection features of the MC79L05ABPRA?
The device features internal thermal overload protection and short circuit current limiting.
- What is the operating temperature range of the MC79L05ABPRA?
The operating temperature range is from -40°C to +125°C.
- What package options are available for the MC79L05ABPRA?
The device is available in a TO-92 (Pb-Free) package.
- Does the MC79L05ABPRA have ESD protection?
- What are the advantages of using the MC79L05ABPRA over a Zener-diode and resistor combination?
The MC79L05ABPRA offers improved output impedance and lower bias current compared to Zener-diode and resistor combinations.
- Are Pb-Free packages available for the MC79L05ABPRA?
- What is the dropout voltage of the MC79L05ABPRA?
The dropout voltage is typically 1.7 V at IO = 40 mA and TJ = +25°C.
