Overview
The STMicroelectronics L7812ABD2T-TR is a standard linear voltage regulator designed to provide a stable 12V output with a maximum current of 1.5A. This component is part of the L78 series and is packaged in a TO-263-2 (D2PAK) surface mount package. It is known for its high accuracy and reliability, making it suitable for a variety of power management applications. The regulator operates within a temperature range of -40°C to 125°C and has built-in protection features such as short circuit protection, thermal shutdown protection, and current limit protection.
Key Specifications
| Specification | Description |
|---|---|
| Output Voltage | 12V |
| Output Current | 1.5A |
| Input Voltage | 14.8V to 35V |
| Package Type | TO-263-2 (D2PAK) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C to 125°C |
| Load Regulation | 100mV |
| Line Regulation | 120mV |
| Dropout Voltage | 2V @ 1A |
| Tolerance | ±2% |
| Protection Features | Short Circuit Protection, Thermal Shutdown Protection, Current Limit Protection |
Key Features
- High accuracy with ±2% tolerance
- Fixed 12V output voltage
- Maximum output current of 1.5A
- Input voltage range of 14.8V to 35V
- Built-in protection features including short circuit protection, thermal shutdown protection, and current limit protection
- Low dropout voltage of 2V @ 1A
- Surface mount TO-263-2 (D2PAK) package
- Operating temperature range of -40°C to 125°C
Applications
The STMicroelectronics L7812ABD2T-TR is versatile and can be used in various power management applications. It is suitable for use in industrial control systems, medical devices, automotive systems (though not AEC-Q100 qualified), and general-purpose power supplies where a stable 12V output is required. Its high reliability and built-in protection features make it an excellent choice for systems that demand consistent voltage regulation.
Q & A
- What is the output voltage of the L7812ABD2T-TR? The output voltage is 12V.
- What is the maximum output current of the L7812ABD2T-TR? The maximum output current is 1.5A.
- What is the input voltage range for the L7812ABD2T-TR? The input voltage range is 14.8V to 35V.
- What type of package does the L7812ABD2T-TR use? It uses a TO-263-2 (D2PAK) surface mount package.
- What are the operating temperature limits for the L7812ABD2T-TR? The operating temperature range is -40°C to 125°C.
- Does the L7812ABD2T-TR have built-in protection features? Yes, it includes short circuit protection, thermal shutdown protection, and current limit protection.
- What is the dropout voltage of the L7812ABD2T-TR at 1A current? The dropout voltage is 2V @ 1A.
- Is the L7812ABD2T-TR RoHS compliant? Yes, it is RoHS compliant with exemptions.
- What is the tolerance of the output voltage for the L7812ABD2T-TR? The tolerance is ±2%.
- Can the L7812ABD2T-TR be used in automotive applications? While it is not AEC-Q100 qualified, it can still be used in some automotive systems, but it is not recommended for critical automotive applications.
