S-1701Q3227-U5T1G

Overview

The S-1701Q3227-U5T1G is a low-dropout (LDO) voltage regulator manufactured by ABLIC Inc., belonging to the S-1701 series. It features a single fixed output configured for battery voltage conversion applications. The device operates within an input voltage range of 2 V to 6.5 V, delivering a maximum output current of 400 mA with a quiescent current of 85 µA. It utilizes an SOT-89-5 package and supports surface-mount installation. The unit functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Integrated voltage detection and regulation functionality
• Low quiescent current consumption for power efficiency
• Fixed output configuration optimized for battery systems

Applications

• Battery voltage conversion circuits
• Portable electronic devices requiring stable power rails
• Embedded systems with limited power budgets

Procurement Notes

Verify the specific suffix U5T1G against official ABLIC documentation to confirm the exact pinout and thermal pad configuration. Ensure compatibility with the target PCB footprint for the SOT-89-5 package. Cross-reference the manufacturing date code and lot number to meet quality assurance requirements. Confirm that the fixed output voltage matches the system design specifications before integration.

Selection Notes

Select this component when a combined voltage detector and regulator is required for battery-powered designs. The 400 mA output capability suits moderate load applications. Consider the SOT-89-5 package for its thermal performance relative to smaller packages. Verify that the 2 V minimum input voltage aligns with the lowest expected battery discharge level in the application.

Part Context

This part belongs to the ABLIC S-1701 series of LDO regulators. The series is characterized by low quiescent current and integrated voltage detection features. These components are designed for portable electronics and industrial applications where power efficiency and compact packaging are critical. The manufacturer emphasizes reliability and precise voltage regulation within the specified operating temperature range.

Replacement Considerations

Check for direct substitutes within the S-1701 family with compatible output voltages and package types. Verify pin-to-pin compatibility if replacing on existing boards. Consult ABLIC's official substitution guide for validated alternatives.