S-8590AB-A6T8U7

Voltage Regulators - DC DC Switching Regulators Overview

The S-8590AB-A6T8U7 is a switching voltage regulator from the ABLIC S-8590/91 series, classified under PMIC - Power Management ICs. It utilizes a Buck topology and operates within an input voltage range of 2.2 V to 5.5 V. The device provides a fixed output voltage of 1.9 V with a maximum output current capability of 200 mA. Key electrical specifications include a typical quiescent current of 260 nA and a switching frequency of 1 MHz. It supports a shutdown function and functions reliably across an operating temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates constant on-time (COT) control architecture for efficient step-down regulation.
• Features ultra-low static current consumption to extend battery life in portable applications.
• Includes a dedicated shutdown pin for effective power management and system sleep modes.

Voltage Regulators - DC DC Switching Regulators Applications

• Battery-powered portable electronic devices
• Embedded systems requiring low-power buck conversion
• Consumer electronics with strict standby current requirements

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix codes against official documentation to confirm exact output voltage and package configuration. Ensure compatibility with required thermal dissipation standards for the target application environment. Confirm RoHS compliance status through manufacturer datasheets prior to integration into regulated assemblies.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is needed for stepping down 3.7V lithium-ion or similar battery voltages to 1.9V logic levels. The low quiescent current makes it suitable for always-on circuits where minimal drain is critical. Verify that the 200mA load requirement does not exceed the device's continuous current rating under worst-case thermal conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the S-8590/91 family of switching regulators designed for high efficiency and low noise. It shares architectural similarities with other members like the S-8590AD but differs in fixed output voltage settings. The SNT-A-6 package allows for space-constrained PCB layouts common in modern mobile and IoT hardware designs.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes may include other S-8590 series variants with compatible input ranges and similar pinouts, such as the S-8590AC or S-8590AE, provided the output voltage matches the circuit design requirements. Always verify thermal performance and control loop stability when cross-referencing.