S-8521D35MC-BXUT2G

Overview

The S-8521D35MC-BXUT2G is a positive output step-down DC-DC controller IC manufactured by ABLIC Inc. It operates in voltage-mode switching control with a maximum switching frequency of 72kHz and delivers an output current capability of 0.05A. The device utilizes CMOS technology and is housed in a PDSO5 package, specifically identified as SOT-23-5 in distributor listings. It functions as a buck regulator designed for efficient power conversion applications.

Feature Summary

• Voltage-mode switching control architecture
• Positive output step-down (buck) regulation topology
• CMOS process technology implementation

Applications

• Portable electronic devices requiring low-power step-down conversion
• Battery-powered systems utilizing buck regulation
• General-purpose DC-DC power management circuits

Procurement Notes

Verify the exact datasheet version for the S-8521D35MC-BXUT2G to confirm electrical characteristics and pinout compatibility. Ensure the SOT-23-5 package matches your PCB footprint requirements. Cross-reference with official ABLIC documentation to validate operating temperature ranges and input voltage specifications before finalizing component selection for production.

Selection Notes

Select this component when a compact, voltage-mode buck controller is required for low-current applications. The SOT-23-5 package offers space efficiency for dense layouts. Consider the 72kHz maximum switching frequency and 0.05A output limit against system power demands. Verify that the CMOS technology aligns with noise and efficiency requirements for the specific target environment.

Part Context

This part belongs to the ABLIC S-8521 series of DC-DC switching controllers. These components are designed for portable equipment and battery-operated systems. The series typically includes various output voltage options and packaging configurations to support diverse power management needs in consumer electronics and industrial applications.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult ABLIC technical support or authorized distributors for verified equivalents based on specific electrical and mechanical constraints.