S-85M0AC39-H6T6S

Voltage Regulators - DC DC Switching Regulators Overview

The S-85M0AC39-H6T6S is a synchronous step-down switching regulator from the S-85M0A series by ABLIC Inc. It operates with an input voltage range of 2.2 V to 5.6 V and provides a fixed output voltage of 3.9 V. The device supports a maximum output current of 50 mA and features a low quiescent current of 260 nA. It utilizes a compact 6-wireless lead package (WLP) for surface mount installation.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for improved efficiency in a small footprint
• Maintains ultra-low power consumption with minimal quiescent current draw
• Employs constant on-time control architecture for stable operation

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices requiring efficient power management
• Embedded systems with strict space constraints utilizing WLP packaging
• Low-power IoT nodes operating from single-cell lithium-ion sources

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix H6T6S against the official ABLIC datasheet to confirm the fixed 3.9 V output voltage and WLP package type. Ensure compatibility with the S-85M0A series specifications regarding thermal performance and electrical limits before integration into the design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.9 V output is required from a 2.2 V to 5.6 V input source. It is suitable for applications prioritizing high efficiency at light loads due to its 260 nA quiescent current. The 50 mA output capability defines its load boundary, making it appropriate for low-current digital logic or sensor supplies.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-85M0A family of low EMI synchronous buck regulators. The series is characterized by high efficiency and low noise, designed for noise-sensitive applications. The AC suffix indicates a fixed output voltage variant, distinguishing it from adjustable versions within the same product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Cross-reference with other S-85M0A variants such as S-85M0AC27-H6T6S for different fixed voltages. Verify pinout and thermal characteristics match the existing PCB layout when substituting with other manufacturers' synchronous buck converters offering similar 50 mA output capabilities.