Texas Instruments

LM258ADR  

OP Amps, Buffer Amps ICs

The Texas Instruments LM258ADR is a high-performance, fixed-frequency step-down switching regulator that is designed to provide efficient and reliable power conversion for a wide range of applications. This device is available in a compact, thermally enhanced 5-pin package, making it ideal for use in space-constrained applications.

Description:

The LM258ADR is a synchronous, step-down switching regulator that operates at a fixed switching frequency of 550 kHz. It features a wide input voltage range of 4.5V to 36V, making it suitable for use with a variety of power sources. The output voltage can be easily adjusted using an external resistor divider, and the device can deliver a continuous output current of up to 1.5A.

Features:

1. High efficiency: The LM258ADR offers high efficiency levels, with a typical efficiency of up to 93%.
2. Fixed switching frequency: The device operates at a fixed switching frequency of 550 kHz, which simplifies the design of the input filter and reduces EMI.
3. Wide input voltage range: The LM258ADR can accept a wide range of input voltages, from 4.5V to 36V, making it suitable for use with various power sources.
4. Adjustable output voltage: The output voltage can be easily adjusted using an external resistor divider, allowing for customization to specific application requirements.
5. High output current: The device can deliver a continuous output current of up to 1.5A, making it suitable for powering a wide range of loads.
6. Thermal protection: The LM258ADR features thermal shutdown protection, which ensures safe operation and prevents damage in the event of an overload or overheating.
7. Compact package: The device is available in a small, thermally enhanced 5-pin package, making it ideal for use in space-constrained applications.

Applications:

The LM258ADR is suitable for a wide range of applications that require efficient and reliable power conversion, including:

1. Portable electronics: Powering mobile devices, smartphones, tablets, and wearable electronics.
2. Industrial equipment: Providing power to sensors, controllers, and other components in industrial automation systems.
3. Medical devices: Supplying power to portable medical devices, such as blood glucose monitors and hearing aids.
4. Consumer electronics: Powering devices like wireless speakers, smart home devices, and gaming consoles.
5. Automotive systems: Providing power to various electronic components in vehicles, such as infotainment systems and advanced driver-assistance systems (ADAS).

In summary, the Texas Instruments LM258ADR is a versatile, high-performance step-down switching regulator that offers efficient power conversion, a wide input voltage range, and a compact package. Its features make it suitable for a variety of applications across different industries.

LM258ADR Documents

Download datasheets and manufacturer documentation for LM258ADR

PCN Assembly/Origin :

Mult Changes 15/Feb/2021      

Datasheets :

LM358APW Datasheet      

PCN Design/Specification :

Mult Devices Font 21/Apr/2018       Mult Dev 27/Jul/2023