Overview
The L7809ACD2T-TR is a linear voltage regulator IC produced by STMicroelectronics. It belongs to the L78 series of positive voltage regulators, known for their reliability and versatility in various electronic applications. This regulator is packaged in a D2PAK (TO-263) package and is designed to provide a fixed output voltage of 9V with a maximum output current of 1.5A. The device features internal current limiting, thermal shutdown, and safe area protection, making it robust and reliable for use in a wide range of environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Regulator Topology | Positive Fixed | |
| Output Voltage | 9V | |
| Input Voltage | Up to 35V | |
| Dropout Voltage (Typical) | 2V @ 1A | |
| Number of Regulators | 1 | |
| Output Current | 1.5A | |
| Operating Temperature | 0°C to 125°C | |
| Mounting Type | Surface Mount | |
| Package | D2PAK (TO-263) |
Key Features
- Internal Current Limiting: The regulator has built-in current limiting to protect against overcurrent conditions.
- Thermal Shutdown: The device includes thermal shutdown to prevent overheating and potential damage.
- Safe Area Protection: It features safe area protection to ensure the device operates within safe limits.
- High Accuracy: The output voltage has a tolerance of 2% (for the A version), ensuring stable and accurate voltage regulation.
- Wide Operating Temperature Range: The regulator can operate from 0°C to 125°C, making it suitable for various environmental conditions.
- Low Dropout Voltage: A typical dropout voltage of 2V at 1A ensures efficient voltage regulation with minimal loss.
Applications
The L7809ACD2T-TR is versatile and can be used in a variety of applications, including:
- Local On-Card Regulation: It can provide local voltage regulation on PCBs, eliminating distribution problems associated with single-point regulation.
- Power Supplies: Suitable for use in power supply units where a stable 9V output is required.
- Industrial Control Systems: Can be used in industrial control systems that require reliable and stable voltage regulation.
- Consumer Electronics: Applicable in consumer electronics such as audio equipment, medical devices, and other electronic appliances.
Q & A
- What is the output voltage of the L7809ACD2T-TR?
The output voltage of the L7809ACD2T-TR is 9V.
- What is the maximum input voltage for the L7809ACD2T-TR?
The maximum input voltage for the L7809ACD2T-TR is up to 35V.
- What is the maximum output current of the L7809ACD2T-TR?
The maximum output current of the L7809ACD2T-TR is 1.5A.
- What type of protection does the L7809ACD2T-TR have?
The L7809ACD2T-TR features internal current limiting, thermal shutdown, and safe area protection.
- What is the operating temperature range of the L7809ACD2T-TR?
The operating temperature range of the L7809ACD2T-TR is from 0°C to 125°C.
- What package type is the L7809ACD2T-TR available in?
The L7809ACD2T-TR is available in a D2PAK (TO-263) package.
- Does the L7809ACD2T-TR have any thermal management features?
Yes, the L7809ACD2T-TR includes thermal shutdown to prevent overheating.
- Can the L7809ACD2T-TR be used for adjustable voltage regulation?
Although primarily designed as a fixed voltage regulator, the L7809ACD2T-TR can be used with external components to obtain adjustable voltage and currents.
- What is the typical dropout voltage of the L7809ACD2T-TR?
The typical dropout voltage of the L7809ACD2T-TR is 2V at 1A.
- Is the L7809ACD2T-TR RoHS compliant?
Yes, the L7809ACD2T-TR is RoHS compliant and lead-free.
