S-8550AA-I8T1U

Voltage Regulators - DC DC Switching Regulators Overview

The S-8550AA-I8T1U is a synchronous step-down switching regulator manufactured by ABLIC Inc. It operates within an input voltage range of 2.7 V to 6.0 V and provides a fixed output voltage of 3.3 V. The device supports a maximum output current of 2.0 A and features a typical quiescent current of 1.4 µA. It utilizes a constant on-time control method with a switching frequency of 2.2 MHz. Packaged in an ultra-small SNT-A-8 (2.0 mm x 2.0 mm) format, it functions across an operating temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates high-efficiency synchronous rectification for reduced power loss
• Employs constant on-time control architecture for stable transient response
• Features ultra-low quiescent current to extend battery life in portable devices

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered consumer electronics
• Embedded systems with strict space constraints

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and package variant against the official datasheet to ensure compatibility with your design requirements. Confirm that the ordering information matches the exact part number configuration provided by the manufacturer. Cross-reference technical specifications with the latest documentation before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact footprint and high efficiency are required for low-voltage applications. Ensure the load current does not exceed the rated limit of 2.0 A. Verify that the input voltage remains within the specified 2.7 V to 6.0 V range for optimal performance and stability during operation.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-8550 series of synchronous buck converters from ABLIC. It is designed for applications demanding small size and high efficiency. The series typically integrates protection features such as overcurrent protection and thermal shutdown to ensure reliable operation in various electronic environments.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult the official replacement guide for verified substitutes. Ensure pinout compatibility and electrical parameter alignment when considering alternative components.