S-85S0AB39-I6T1U

Voltage Regulators - DC DC Switching Regulators Overview

The S-85S0AB39-I6T1U is a synchronous step-down switching regulator manufactured by ABLIC Inc. It operates with an input voltage range of 2.2 V to 5.5 V and provides a fixed output voltage of 3.9 V. The device supports a maximum output current of 200 mA and features a low quiescent current of 260 nA. It utilizes constant on-time (COT) control architecture with a switching frequency of 1 MHz. The component is housed in an SNT-A-6 package, suitable for surface mount installation, and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous buck topology for high efficiency
• Low quiescent current consumption
• Built-in shutdown function
• Compact SNT-A-6 package

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices
• Battery-powered equipment
• Embedded systems power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix against official ABLIC documentation to confirm pinout and electrical characteristics. Ensure compatibility with the target PCB footprint for the SNT-A-6 package. Confirm RoHS compliance status through the manufacturer's environmental declaration before integration into regulated assemblies.

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 5.5 V input source. The 200 mA current capacity suits low-power applications. Consider the 260 nA quiescent current for battery life optimization. Verify thermal performance requirements for the SNT-A-6 package under expected load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-85S0A series of synchronous step-down regulators from ABLIC. The series is designed for portable applications requiring efficient power conversion from single-cell lithium-ion batteries or similar sources. The SNT-A-6 package offers a small form factor for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult ABLIC datasheets for direct equivalents within the S-85S0A family with different output voltages. Cross-reference with other manufacturers' synchronous buck regulators offering similar input ranges and current capabilities if supply constraints exist.