Overview
The onsemi MC7809CTG is a linear voltage regulator designed to provide a stable 9V output voltage with a maximum current of 1A. This device is part of the MC7800 series and is housed in a TO-220-3 (TO-220AB) package, making it suitable for a variety of applications requiring reliable voltage regulation. The MC7809CTG is known for its simplicity, as it does not require external components to operate, and it includes internal thermal overload protection and current limiting features.
Key Specifications
| Specification | Value |
|---|---|
| Input Voltage - Max | 35V |
| Output Voltage - Fixed | 9V |
| Dropout Voltage - Max | 2V |
| Output Current - Max | 1A |
| Operating Temperature Range | 0°C to 125°C |
| Regulator Topology | Fixed |
| Quiescent Current | 8mA |
| Number of Outputs | Single |
| Output Noise | 10µV |
| Load Regulation | 35mV |
| Current Limit | 0.2A |
| Line Regulation | 32mV |
| Package Style | TO-220-3 (TO-220AB) |
| Mounting Method | Flange Mount |
Key Features
- No external components required for operation.
- Internal thermal overload protection to prevent damage from overheating.
- Current limiting to protect against excessive current draw.
- Fixed 9V output voltage with high accuracy and stability.
- Maximum output current of 1A, suitable for a wide range of applications.
- Low dropout voltage of 2V, ensuring efficient voltage regulation.
- Operating temperature range from 0°C to 125°C, making it suitable for various environmental conditions.
- ROHS compliant, ensuring environmental sustainability.
Applications
- Power supplies for electronic devices requiring a stable 9V output.
- Industrial control systems where reliable voltage regulation is crucial.
- Automotive systems that need robust and temperature-stable voltage regulators.
- Consumer electronics such as audio equipment, medical devices, and other applications requiring stable DC voltage.
- Embedded systems and IoT devices that require efficient and reliable power management.
Q & A
- What is the output voltage of the MC7809CTG?
The output voltage of the MC7809CTG is fixed at 9V.
- What is the maximum input voltage for the MC7809CTG?
The maximum input voltage for the MC7809CTG is 35V.
- What is the maximum output current of the MC7809CTG?
The maximum output current of the MC7809CTG is 1A.
- What is the dropout voltage of the MC7809CTG?
The dropout voltage of the MC7809CTG is 2V.
- Does the MC7809CTG require external components to operate?
No, the MC7809CTG does not require external components to operate.
- What is the operating temperature range of the MC7809CTG?
The operating temperature range of the MC7809CTG is from 0°C to 125°C.
- Is the MC7809CTG ROHS compliant?
Yes, the MC7809CTG is ROHS compliant.
- What type of package does the MC7809CTG come in?
The MC7809CTG comes in a TO-220-3 (TO-220AB) package.
- What is the quiescent current of the MC7809CTG?
The quiescent current of the MC7809CTG is 8mA.
- Does the MC7809CTG have internal thermal overload protection?
Yes, the MC7809CTG has internal thermal overload protection.
