Texas Instruments

LM258DR

The LM258DR is a high-voltage, fixed-frequency, step-down switching regulator from Texas Instruments. It is designed to provide efficient and reliable power conversion for a wide range of applications.

Description:

The LM258DR is a monolithic integrated circuit that provides a step-down DC-DC converter. It is designed to operate from an input voltage range of 4.75V to 60V and can deliver an output current of up to 3A. The device features a fixed switching frequency of 150kHz, which allows for smaller external component sizes and improved efficiency.

Features:

1. Wide input voltage range: 4.75V to 60V
2. Output current up to 3A
3. Fixed switching frequency of 150kHz
4. High efficiency up to 90%
5. Internal soft-start and current limit protection
6. Low dropout voltage
7. Small package size (8-Pin SOIC)

Applications:

The LM258DR is suitable for a wide range of applications that require efficient DC-DC power conversion. Some of the key applications include:

1. Industrial control systems
2. Telecommunications equipment
3. Portable power supplies
4. Automotive systems
5. Medical equipment
6. LED lighting systems
7. Power supplies for battery chargers
8. Computer and peripheral systems

In summary, the LM258DR from Texas Instruments is a versatile and efficient step-down switching regulator that can be used in a wide range of applications. Its high-voltage capability, high efficiency, and small package size make it an ideal choice for designers looking for a reliable and compact power conversion solution.