onsemi

CS5171ED8

CS5171ED8 Description

The CS5171ED8 from onsemi is a highly versatile, adjustable DC switching voltage regulator designed for demanding power management applications. This obsolete but robust IC supports a wide input voltage range of 2.7V to 30V and delivers a configurable output voltage from 1.28V up to 40V (Switch) with a 1.5A (Switch) current capability. Its 280kHz switching frequency ensures efficient power conversion, while its non-synchronous rectifier topology simplifies design. The regulator supports multiple topologies, including Buck, Boost, Flyback, Forward Converter, and SEPIC, making it adaptable to diverse circuit requirements. Packaged in an 8-SOIC tube, it is suitable for surface-mount applications and operates reliably under MSL 1 (Unlimited) moisture conditions.

CS5171ED8 Features

• Wide Input Range: Operates from 2.7V to 30V, accommodating various power sources.
• Adjustable Output: Configurable from 1.28V to 40V (Switch) for flexible design needs.
• Multi-Topology Support: Compatible with Buck, Boost, Flyback, Forward Converter, and SEPIC configurations.
• High Efficiency: 280kHz switching frequency optimizes performance while minimizing losses.
• Compact & Robust: 8-SOIC surface-mount package ensures space efficiency and durability.
• REACH Unaffected: Compliant with environmental regulations, ensuring long-term usability.

CS5171ED8 Applications

The CS5171ED8 excels in applications requiring adaptable, high-efficiency voltage regulation, such as:

• Industrial Power Supplies: Ideal for systems needing wide input ranges and stable outputs.
• Automotive Electronics: Suitable for infotainment, sensors, and lighting due to its robust design.
• Portable Devices: Efficiently powers battery-operated equipment with varying voltage demands.
• Telecom Infrastructure: Supports power conversion in base stations and networking hardware.
• Renewable Energy Systems: Used in solar/wind power converters for its multi-topology flexibility.

Conclusion of CS5171ED8

The CS5171ED8 stands out as a versatile, high-performance switching regulator, offering engineers a reliable solution for complex power management challenges. Its wide input/output range, multi-topology support, and compact form factor make it a preferred choice for industrial, automotive, and portable applications. While marked as obsolete, its REACH compliance and proven design ensure continued suitability for legacy and specialized systems. For projects demanding flexibility and efficiency, the CS5171ED8 remains a compelling option.