S-85S1AB21-I6T1U

Voltage Regulators - DC DC Switching Regulators Overview

The S-85S1AB21-I6T1U is a synchronous step-down switching regulator manufactured by ABLIC. It operates with an input voltage range of 2.2 V to 5.5 V and provides a fixed output voltage of 2.1 V at a maximum output current of 200 mA. The device features a low quiescent current of 260 nA and utilizes constant on-time (COT) control architecture. It functions within a temperature range of -40°C to +85°C and is housed in an SNT-A-6 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high efficiency in a compact footprint
• Utilizes Constant On-Time (COT) control for stable operation without external compensation
• Features ultra-low quiescent current consumption for extended battery life
• Includes shutdown functionality to minimize power drain during standby

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient power management
• Battery-powered systems needing low standby current
• Embedded applications with limited board space
• Consumer electronics utilizing single-cell lithium-ion batteries

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix I6T1U against the manufacturer's latest datasheet to confirm pinout and electrical characteristics. Ensure compatibility with the required output voltage and current specifications for the target application. Check RoHS compliance status as indicated in official documentation before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 2.1 V output is required from a 2.2 V to 5.5 V input source. It is suitable for designs prioritizing low quiescent current and small solution size. Consider the SNT-A-6 package constraints and thermal requirements for the intended operating environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-85S1A series of synchronous buck converters from ABLIC. The series is characterized by low power consumption and integrated power switches, designed for portable applications. It complements other regulators in the portfolio offering different voltage outputs or packaging options.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult ABLIC's official cross-reference lists for direct replacements. Verify that any substitute maintains the 2.1 V output, 200 mA capability, and SNT-A-6 package form factor.