S-8520A28MC-AVNT2U

Overview

The S-8520A28MC-AVNT2U is a synchronous rectification buck DC-DC controller manufactured by ABLIC Inc. It operates with an input voltage range of 2.5 V to 16 V and delivers a fixed output voltage of 2.8 V. The device supports a maximum output current of 2.0 A and utilizes a constant on-time control method with a typical switching frequency of 1 MHz. It is housed in a compact SOT-23-5 package, suitable for surface-mount installation.

Feature Summary

• Synchronous rectification topology for high efficiency
• Constant on-time control architecture
• Integrated enable pin for power management

Applications

• Portable electronic devices requiring efficient power conversion
• Battery-powered equipment utilizing single-cell lithium-ion sources
• Embedded systems needing stable low-voltage regulation

Procurement Notes

Verify the specific suffix AVNT2U against official ABLIC documentation to confirm tape-and-reel packaging specifications and marking codes. Ensure compatibility with standard SOT-23-5 footprint designs during procurement planning.

Selection Notes

Select this component when a 2.8 V output is required from a 2.5 V to 16 V input source. The 2.0 A current capability suits moderate load applications. Verify thermal requirements for the SOT-23-5 package under expected operating conditions.

Part Context

This part belongs to the S-8520 series of synchronous buck controllers. The series is designed for portable applications, offering high efficiency and compact size. The S-8520A variant typically denotes specific output voltage options within the family.

Replacement Considerations

Consult official cross-reference lists for direct substitutes. Generic replacements may differ in switching frequency or current limits.