S-8520C33MC-BRST2U

Overview

The S-8520C33MC-BRST2U is a step-down DC-DC switching controller from ABLIC, designed for buck converter applications. It operates within a supply voltage range of 2.5V to 10V and supports a fixed switching frequency of 60kHz. The device features a maximum duty cycle of 100%, enabling operation with minimal input-output voltage differentials. It provides a positive output configuration and is housed in an SOT-23-5 package.

Feature Summary

• Supports 100% duty cycle operation for low dropout performance
• Fixed 60kHz switching frequency for stable regulation
• Wide operating supply voltage range from 2.5V to 10V

Applications

• Battery-powered portable devices
• Industrial power management systems
• Step-down DC-DC conversion circuits

Procurement Notes

Verify component authenticity through authorized channels due to potential obsolescence status. Confirm RoHS compliance details via official documentation. Check current availability as the manufacturer may have scheduled discontinuation. Ensure packaging specifications match project requirements for surface mount assembly.

Selection Notes

Select this controller for applications requiring a fixed 60kHz frequency and wide input voltage compatibility. The SOT-23-5 package suits space-constrained designs. Verify that the 100% duty cycle capability meets the minimum voltage differential requirements of the target load circuit.

Part Context

This component belongs to the S-8520 series of switching controllers by ABLIC Inc. The series focuses on efficient power management solutions. The specific model variant indicates a fixed output configuration suitable for standard buck converter topologies in consumer and industrial electronics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official ABLIC documentation or authorized distributors for verified cross-references before implementation.