S-1701W2521-U5T1G

Overview

The S-1701W2521-U5T1G is a dual-output low-dropout (LDO) voltage regulator manufactured by ABLIC. It integrates two fixed output voltages of 2.1 V and 2.5 V, delivering a combined maximum output current of 400 mA. The device features a typical quiescent current of 85 µA and operates within an input voltage range supporting these outputs. It exhibits a maximum dropout voltage of 250 mV at 100 mA load and maintains a line regulation of 0.2 %/V with a load regulation of 40 mV. Voltage accuracy is specified at 1 %. The component is housed in an SOT-89-5 surface-mount package and supports operation from -40 °C to +85 °C.

Feature Summary

• Integrates dual fixed output channels for simultaneous power supply generation
• Combines voltage regulation with voltage detection functionality
• Maintains low quiescent current consumption for energy efficiency

Applications

• Portable electronic devices requiring multiple stable voltage rails
• Battery-powered systems needing efficient power management
• Embedded circuits utilizing integrated voltage monitoring

Procurement Notes

Verify the complete part number including suffixes against official ABLIC documentation to ensure correct output voltage combinations and package type. Confirm RoHS compliance status through manufacturer datasheets prior to integration. Check for product change notifications regarding manufacturing updates or pinout modifications that may affect board compatibility.

Selection Notes

Select this component when dual independent regulated outputs are required from a single package to save board space. Ensure the input voltage exceeds the highest required output plus the specified dropout voltage under maximum load conditions. Verify that the thermal dissipation capabilities of the SOT-89-5 package suit the application's power loss requirements.

Part Context

This device belongs to the S-1701 series of combo voltage detectors and regulators from ABLIC. The series is designed for applications requiring both stable power delivery and system supervision. The specific model utilizes fixed output settings determined by internal resistor networks, eliminating the need for external feedback components for voltage setting.

Replacement Considerations

Consult ABLIC technical support for direct cross-references. Other S-1701 variants with different output voltages or packages may serve as functional alternatives if electrical parameters align with design requirements.