Overview
The MC78L08ABDR2G is a part of the MC78L00A Series of linear voltage regulators produced by onsemi. These regulators are known for their ease of use, low cost, and robust performance, making them suitable for a wide range of applications requiring a regulated supply of up to 100 mA. They feature internal current limiting and thermal shutdown, enhancing their reliability and ruggedness. Unlike traditional zener diode-resistor combinations, these regulators offer reduced output impedance and quiescent current, providing a significant performance advantage.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | 7.7 | 8.0 | 8.3 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | - | - | 20 / 12 / 175 / 125 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | - | - | 15 / 8.0 / 90 / 40 | mV |
| Input Bias Current (TJ = +25°C) | - | - | 3.0 / 6.0 | mA |
| Ripple Rejection (IO = 40 mA, f = 120 Hz, 12 V ≤ VI ≤ 23 V, TJ = +25°C) | 37 | 57 | - | dB |
| Dropout Voltage (TJ = +25°C) | - | - | 1.7 | Vdc |
| Temperature Range | -40°C | - | +125°C | °C |
| Package | - | - | SOIC-8 | - |
Key Features
- Wide range of available, fixed output voltages
- Low cost
- Internal short circuit current limiting
- Internal thermal overload protection
- No external components required in many applications
- Complementary negative regulators offered (MC79L00 Series)
- Pb-Free packages available
Applications
The MC78L08ABDR2G is suitable for various applications requiring a regulated voltage supply, including but not limited to:
- Industrial control systems
- Consumer electronics
- Automotive systems
- Medical devices
- General-purpose voltage regulation in electronic circuits
Q & A
- What is the output voltage of the MC78L08ABDR2G?
The output voltage of the MC78L08ABDR2G is 8.0 V, with a tolerance of ±0.3 V (7.7 V to 8.3 V) at TJ = +25°C.
- What is the maximum current output of the MC78L08ABDR2G?
The maximum current output of the MC78L08ABDR2G is 100 mA.
- What is the temperature range for the MC78L08ABDR2G?
The temperature range for the MC78L08ABDR2G is -40°C to +125°C.
- Does the MC78L08ABDR2G require external components?
No, in many applications, the MC78L08ABDR2G does not require external components.
- What is the dropout voltage of the MC78L08ABDR2G?
The dropout voltage of the MC78L08ABDR2G is 1.7 Vdc at TJ = +25°C).
- What is the ripple rejection of the MC78L08ABDR2G?
The ripple rejection of the MC78L08ABDR2G is 37 dB to 57 dB at IO = 40 mA, f = 120 Hz, and 12 V ≤ VI ≤ 23 V at TJ = +25°C).
- What package types are available for the MC78L08ABDR2G?
The MC78L08ABDR2G is available in an SOIC-8 package).
- Is the MC78L08ABDR2G Pb-Free?
- What are the key protection features of the MC78L08ABDR2G?
The MC78L08ABDR2G features internal short circuit current limiting and thermal overload protection).
- What is the typical input bias current of the MC78L08ABDR2G?
The typical input bias current of the MC78L08ABDR2G is 3.0 mA to 6.0 mA at TJ = +25°C).
