Overview
The MC78L09ACDG 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 MC78L09ACDG offers a fixed output voltage of 9 volts and features internal current limiting and thermal shutdown, making it highly reliable and rugged. No external components are required in many applications, enhancing its ease of use.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Output Voltage (TJ = +25°C) | 8.6 | 9.0 | 9.4 | Vdc |
| Line Regulation (TJ = +25°C, IO = 40 mA) | - | - | 20 | mV |
| Load Regulation (TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA) | - | - | 90 | mV |
| Input Bias Current (TJ = +25°C) | - | - | 6.0 | mA |
| Dropout Voltage (TJ = +25°C) | - | - | 1.7 | V |
| Ripple Rejection (IO = 40 mA, f = 120 Hz, 12 V ≤ VI ≤ 24 V, TJ = +25°C) | 37 | 57 | - | dB |
| Output Noise Voltage (TA = +25°C, 10 Hz ≤ f ≤ 100 kHz) | - | - | 60 | μV |
| Temperature Range | 0°C | - | +125°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 easy to use.
- Pb-Free packages available.
- Complementary negative regulators offered (MC79L00 Series).
Applications
The MC78L09ACDG is suitable for various applications requiring a stable and regulated voltage supply, such as:
- 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 MC78L09ACDG?
The output voltage of the MC78L09ACDG is 9 volts. - What is the maximum current output of the MC78L09ACDG?
The maximum current output is 100 mA. - Does the MC78L09ACDG require external components?
No, in many applications, no external components are required. - What is the temperature range for the MC78L09ACDG?
The temperature range is from 0°C to +125°C. - What type of package is the MC78L09ACDG available in?
The MC78L09ACDG is available in an SOIC-8 package. - Does the MC78L09ACDG have internal protection features?
Yes, it features internal short circuit current limiting and thermal overload protection. - Is the MC78L09ACDG Pb-Free?
Yes, Pb-Free packages are available. - What is the dropout voltage of the MC78L09ACDG?
The dropout voltage is 1.7 volts. - What is the ripple rejection of the MC78L09ACDG?
The ripple rejection is 37 to 57 dB at 120 Hz. - What is the output noise voltage of the MC78L09ACDG?
The output noise voltage is 60 μVrms from 10 Hz to 100 kHz.
