S-1701K5047-M5T1U

Overview

The S-1701K5047-M5T1U is a low-dropout (LDO) voltage regulator manufactured by ABLIC Inc., belonging to the S-1701 series. It features a fixed output voltage of 4.7 V and supports an output current of up to 400 mA. The device integrates a voltage detector function, combining regulation and monitoring in a single package. It operates with a supply voltage range of 2.0 V to 6.0 V and maintains a typical dropout voltage of 300 mV at full load. The component exhibits a quiescent current of 85 µA and ensures high accuracy with ±1% output voltage tolerance. It is housed in a compact SOT-89-5 surface-mount package suitable for space-constrained designs.

Feature Summary

• Integrates LDO voltage regulation with a built-in voltage detector circuit
• Supports high output current capability of 400 mA
• Maintains low quiescent current consumption for power efficiency
• Provides precise output voltage regulation with ±1% accuracy

Applications

• Battery-powered portable electronic devices requiring stable voltage rails
• Embedded systems needing combined power regulation and voltage monitoring
• Consumer electronics utilizing compact surface-mount form factors
• Industrial control modules operating within specified temperature ranges

Procurement Notes

Verify the exact part number against official ABLIC documentation to ensure compatibility with your design requirements. Confirm that the S-1701K5047-M5T1U variant matches your specific voltage and package needs. Check for RoHS compliance status as indicated in manufacturer datasheets. Ensure sourcing channels provide genuine components to avoid counterfeit risks. Review application notes for proper thermal management and circuit layout guidelines.

Selection Notes

Select this component when a combined LDO regulator and voltage detector solution is required. The 4.7 V fixed output suits applications needing this specific rail. Consider the 400 mA output current capacity for moderate load demands. The SOT-89-5 package offers a balance between thermal performance and board space. Evaluate the 85 µA quiescent current impact on overall system battery life.

Part Context

This component belongs to the ABLIC S-1701 series of low-dropout regulators. The series is characterized by integrated voltage detection functions, distinguishing it from standard LDOs. The S-1701 family provides various fixed output voltages and current ratings. The S-1701K5047-M5T1U specifically denotes the 4.7 V output variant in the 400 mA class. This series targets applications requiring simplified bill-of-materials through functional integration.

Replacement Considerations

Consult ABLIC's official cross-reference lists for direct replacements. Verify pinout compatibility and electrical specifications before substituting. Ensure any alternative component meets the same output voltage and current requirements. Check package dimensions if mechanical constraints are critical. Confirm that replacement parts maintain similar quiescent current characteristics.