Texas Instruments

LM258DGKR

The LM258 is a high-voltage, low-dropout, fixed-frequency step-down switching regulator (also known as a buck converter) that is designed to provide a regulated output voltage from an input voltage source. The LM258 is available in a variety of package options, including the LM258DGKR, which is a 16-lead dual-in-line package (DIP).

Description:

The LM258 is a monolithic integrated circuit that provides a step-down voltage regulator with a fixed switching frequency of 150kHz. It is designed to operate from input voltages up to 40V and can provide an output voltage as low as 1.2V. The LM258 has a wide range of output current capabilities, making it suitable for a variety of applications.

Features:

• High-voltage operation: The LM258 can operate from input voltages up to 40V.
• Low dropout voltage: The LM258 has a low dropout voltage, which means it can provide a regulated output voltage even when the input voltage is close to the output voltage.
• Fixed switching frequency: The LM258 has a fixed switching frequency of 150kHz, which allows for smaller external components and reduces EMI.
• Wide output voltage range: The LM258 can provide an output voltage as low as 1.2V.
• Wide output current range: The LM258 can provide a wide range of output currents, making it suitable for a variety of applications.

Applications:

The LM258 is suitable for a variety of applications that require a regulated output voltage from a high-voltage input voltage source. Some common applications include:

• Power supply for portable electronics
• Voltage regulation for battery-powered devices
• Voltage conversion for industrial equipment
• Voltage regulation for automotive systems

Overall, the LM258 is a versatile step-down switching regulator that is well-suited for a wide range of applications. Its high-voltage operation, low dropout voltage, and fixed switching frequency make it a popular choice for designers looking for a reliable and efficient voltage regulator.