Texas Instruments

LM337KVURG3

The LM337KVURG3 is a linear voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is a member of the LM337 family of adjustable voltage regulators, which are widely used for providing a stable output voltage from an input voltage source.

Description:

The LM337KVURG3 is a precision, adjustable, three-terminal negative voltage regulator with an output current capability of up to 1A. It is available in a compact 3-pin TO-92 package or a 5-pin SOT-223 package. The device features internal current limiting, thermal shutdown, and short-circuit protection.

Features:

1. Adjustable output voltage: The LM337KVURG3 can provide a regulated output voltage that can be adjusted using external resistors, typically ranging from -1.2V to -37V.
2. High output current: It can deliver up to 1A of output current, making it suitable for various power requirements.
3. Internal current limiting: The device has built-in current limiting to protect against overload conditions.
4. Thermal shutdown: It features thermal shutdown protection to prevent damage due to overheating.
5. Short-circuit protection: The LM337KVURG3 has built-in short-circuit protection to safeguard against short-circuit conditions.
6. Precision: The regulator offers high precision and low output voltage drift over temperature and load variations.
7. Compact package: Available in a small TO-92 or SOT-223 package, making it suitable for space-constrained applications.

Applications:

The LM337KVURG3 is versatile and can be used in a wide range of applications where a stable, adjustable negative voltage supply is required. Some common applications include:

1. Power supplies: Providing a stable negative voltage for various electronic circuits and devices.
2. Audio equipment: Used in audio amplifiers and preamplifiers to provide a negative voltage supply for operational amplifiers (op-amps) and other components.
3. Test and measurement equipment: Employed in laboratory power supplies and benchtop equipment for generating adjustable negative voltages.
4. Battery chargers: Used in battery charging circuits to provide a regulated negative voltage for charging or other control functions.
5. Industrial control systems: Utilized in control systems and instrumentation for providing a stable negative voltage supply.
6. Telecommunications: Employed in telecommunications equipment for powering various components that require a negative voltage.

In summary, the LM337KVURG3 is a reliable and versatile linear voltage regulator IC that provides an adjustable negative output voltage with high precision and protection features. It is suitable for a wide range of applications in various industries.