S-1701Q1815-M5T1G

Overview

The ABLIC S-1701Q1815-M5T1G is a dual-output low-dropout (LDO) voltage regulator and voltage detector integrated circuit manufactured by ABLIC. It operates within an input voltage range of 2 V to 6.5 V, providing fixed output voltages of 1.5 V and 1.8 V with a maximum continuous output current of 400 mA per channel. The device features a typical quiescent current of 85 µA and maintains a voltage regulation accuracy of 1%. It is housed in a compact SOT-23-5 surface-mount package and supports operation across a temperature range from -40°C to +85°C.

Feature Summary

• Integrates dual LDO regulators with a combined voltage detection function for system monitoring.
• Maintains high energy efficiency through ultra-low quiescent current consumption during operation.
• Delivers stable regulated power with precise voltage accuracy suitable for sensitive digital logic.

Applications

• Portable consumer electronics requiring efficient multi-rail power management
• Battery-powered devices utilizing voltage supervision for safe shutdown
• Embedded systems needing compact dual-voltage regulation solutions

Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to confirm pinout compatibility and thermal characteristics. Ensure that the selected variant matches the required output voltage tolerances and operating temperature ranges for your specific application environment before finalizing procurement decisions.

Selection Notes

Select this component when a single IC solution is needed to provide both regulated power and voltage supervision. Compare the 400 mA output capability against load requirements and ensure the SOT-23-5 package fits the board space constraints. Verify that the input voltage range covers the minimum battery discharge level of the target system.

Part Context

This part belongs to the S-1701 series of combo voltage detectors and regulators. The series is designed to replace separate regulator and supervisor chips, reducing component count and PCB area. It targets applications where power conservation and system reliability are critical design parameters.

Replacement Considerations

Direct replacements include other S-1701 variants with matching output voltages and packages, such as S-1701N1815-M5T1G or S-1701R1815-M5T1G, provided the electrical specifications align with the design requirements.

FAQ

What is the maximum input voltage for the S-1701Q1815-M5T1G?

The maximum input voltage rating for this device is 6.5 V.

Does this component include overcurrent protection?

The datasheet specifies thermal shutdown and current limiting functions to protect the device under fault conditions.