Overview
The MC78L09ACDR2G is a linear voltage regulator from onsemi, part of the MC78L00A Series. These regulators are known for their simplicity, low cost, and robust performance. They are suitable for a wide range of applications requiring a regulated supply of up to 100 mA. The MC78L09ACDR2G specifically provides a fixed output voltage of 9 volts. It features internal current limiting and thermal shutdown, making it highly reliable and rugged. No external components are required in many applications, which simplifies the design process.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | 8.6 | 9.0 | 9.4 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | - | - | 20 / 12 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | - | - | 100 / 50 | mV |
| Ripple Rejection (IO = 40 mA, f = 120 Hz, 13 V ≤ VI ≤ 24 V, TJ = +25°C) | 37 | 57 | - | dB |
| Dropout Voltage (TJ = +25°C) | - | - | 1.7 | Vdc |
| Input Bias Current (TJ = +25°C) | - | - | 4.2 / 6.5 | mA |
| Temperature Range | 0°C | - | +125°C | °C |
| Package Type | - | - | SOIC-8 | - |
Key Features
- Fixed output voltage of 9 volts.
- Internal short circuit current limiting and thermal overload protection.
- No external components required in many applications.
- Low cost and high reliability.
- Pb-Free packages available.
- Complementary negative regulators offered (MC79L00 Series).
Applications
The MC78L09ACDR2G is suitable for various applications requiring a stable and regulated voltage supply, such as:
- Consumer electronics.
- Industrial control systems.
- Medical devices.
- Automotive systems.
- General-purpose voltage regulation in electronic circuits.
Q & A
- What is the output voltage of the MC78L09ACDR2G?
The output voltage of the MC78L09ACDR2G is 9 volts. - What is the maximum current output of the MC78L09ACDR2G?
The maximum current output is 100 mA. - Does the MC78L09ACDR2G require external components?
No, in many applications, no external components are required. - What is the temperature range of the MC78L09ACDR2G?
The temperature range is from 0°C to +125°C. - What package types are available for the MC78L09ACDR2G?
The MC78L09ACDR2G is available in SOIC-8 packages. - Does the MC78L09ACDR2G have built-in protection features?
Yes, it features internal short circuit current limiting and thermal overload protection. - Is the MC78L09ACDR2G Pb-Free?
Yes, Pb-Free packages are available. - What is the ripple rejection of the MC78L09ACDR2G?
The ripple rejection is 37 to 57 dB at 120 Hz. - What is the dropout voltage of the MC78L09ACDR2G?
The dropout voltage is 1.7 Vdc. - Are there complementary negative regulators available?
Yes, the MC79L00 Series offers complementary negative regulators.
