Overview
The LM2990SX-12/NOPB is a negative low dropout regulator produced by Texas Instruments. This component is designed to provide a stable -12V output voltage, making it suitable for applications requiring precise negative voltage regulation. It is categorized as an integrated circuit (IC) and is packaged in a TO-263-3 form factor. The LM2990SX-12/NOPB is targeted at industrial, automotive, and consumer electronics applications where reliable voltage regulation is critical. Its key selling points include low dropout voltage, high accuracy, and robust thermal performance.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | -12 | V | Fixed |
| Dropout Voltage | 1 | V | Typical |
| Output Current | 1 | A | Max |
| Input Voltage Range | -26 to -35 | V | |
| Operating Temperature | -40 to 125 | °C | |
| Package | TO-263-3 | D2PAK |
Key Features
- Low dropout voltage for efficient operation.
- High accuracy output voltage regulation.
- Thermal shutdown and current limit protection.
- Robust design for industrial and automotive environments.
Applications
The LM2990SX-12/NOPB is widely used in applications requiring stable negative voltage regulation. Typical use cases include industrial automation systems, automotive electronics, and consumer devices such as audio amplifiers and power supplies. Its reliability and precision make it ideal for scenarios where consistent voltage is critical to system performance.
Q & A
1. What is the output voltage of the LM2990SX-12/NOPB?
The output voltage is fixed at -12V.
2. What is the maximum output current?
The maximum output current is 1A.
3. What is the dropout voltage?
The typical dropout voltage is 1V.
4. What is the input voltage range?
The input voltage range is -26V to -35V.
5. What is the operating temperature range?
The operating temperature range is -40°C to 125°C.
6. What package does the LM2990SX-12/NOPB use?
It uses a TO-263-3 (D2PAK) package.
7. Does it include protection features?
Yes, it includes thermal shutdown and current limit protection.
8. Is it suitable for automotive applications?
Yes, its robust design makes it suitable for automotive environments.
9. Can it be used in industrial systems?
Yes, it is ideal for industrial automation systems.
10. What are its key advantages?
Its key advantages include low dropout voltage, high accuracy, and thermal protection.
