S-1701U2520-U5T1G

Overview

The S-1701U2520-U5T1G is a CMOS-based special purpose voltage regulator IC manufactured by ABLIC Inc. It operates within an input voltage range of 1.6 V to 5.5 V and provides a fixed output voltage of 2.5 V. The device supports a maximum output current of 400 mA with a typical dropout voltage of 250 mV at 100 mA. It features low quiescent current consumption of 85 µA and includes integrated battery detection functionality. The component is housed in an SOT-89-5 surface-mount package and is rated for operation between -40°C and +85°C.

Feature Summary

• Integrates voltage regulation with battery detection capabilities for power management
• Provides stable fixed output voltage with low dropout characteristics
• Optimized for low current consumption in battery-powered applications

Applications

• Battery-powered portable electronic devices
• Systems requiring combined voltage regulation and battery status monitoring
• Consumer electronics with limited power budgets

Procurement Notes

Verify the specific suffix U5T1G against the manufacturer's latest datasheet to confirm pinout compatibility and package dimensions. Ensure the required output voltage tolerance and thermal performance align with the target application's design constraints before finalizing procurement.

Selection Notes

Select this component when a single IC solution is needed for both step-down regulation and battery level indication. Compare its 400 mA output capability and 85 µA quiescent current against alternatives if higher efficiency or lower standby power is critical for the system architecture.

Part Context

This part belongs to the S-1701 series of special purpose regulators from ABLIC, designed specifically for battery-operated equipment. Unlike standard LDOs, it combines linear regulation with voltage detector functions, simplifying circuit design by reducing component count in power supply chains.

Replacement Considerations

Cross-reference with other S-1701 variants such as S-1701U2522-U5T1G for different output voltages. Verify functional equivalence with other ABLIC battery-regulator hybrids ensuring matching package type and electrical specifications.