S-85V1AB19-I6T1U

Voltage Regulators - DC DC Switching Regulators Overview

The S-85V1AB19-I6T1U is a synchronous step-down switching regulator from the ABLIC S-85V1A series, designed for efficient power conversion in compact electronic systems. It operates with an input voltage range of 2.2 V to 5.5 V and provides a fixed output voltage of 1.9 V at up to 200 mA. The device utilizes constant on-time (COT) control architecture to achieve a switching frequency of 1 MHz. Key electrical characteristics include a typical quiescent current of 10 µA and integrated shutdown functionality. It is housed in a small SNT-A-6 package and supports operation within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates synchronous rectification for high efficiency across load conditions
• Employs Constant On-Time (COT) control for stable transient response
• Features low quiescent current consumption for extended battery life
• Includes shutdown pin for system power management

Voltage Regulators - DC DC Switching Regulators Applications

• Portable consumer electronics requiring efficient voltage regulation
• Battery-powered IoT devices and sensors
• Embedded systems with strict space constraints
• Mobile communication modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact part number suffix against official ABLIC documentation to confirm output voltage and package type. Confirm RoHS compliance status and lead times directly with authorized distributors or the manufacturer. Ensure the ordering quantity aligns with factory reel specifications. Cross-reference datasheet revisions to ensure compatibility with existing design parameters before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 1.9 V output is required from a 2.2 V to 5.5 V input source. The 1 MHz switching frequency allows for smaller external passive components compared to lower-frequency alternatives. Consider the 10 µA quiescent current for applications prioritizing standby power efficiency. Verify that the SNT-A-6 package fits the available PCB real estate and thermal requirements of the target application.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-85V1A series of synchronous buck regulators from ABLIC Inc. The series is characterized by its COT control method and compact SNT-A-6 packaging. It serves as a power management solution for portable devices, offering a balance between efficiency, size, and cost. The specific model denotes a fixed 1.9 V output variant within this family.

Voltage Regulators - DC DC Switching Regulators FAQ

What control method does the S-85V1AB19-I6T1U use?

It uses Constant On-Time (COT) control architecture.

Is the S-85V1AB19-I6T1U a synchronous regulator?

Yes, it is a synchronous step-down switching regulator.