S-1701U5043-U5T1G

Overview

The S-1701U5043-U5T1G is a dual-output low dropout (LDO) voltage regulator from the ABLIC S-1701 series, housed in an SOT-89-5 surface-mount package. It provides fixed output voltages of 4.3 V and 5 V with a maximum continuous output current of 400 mA per channel. The device features a typical quiescent current of 85 µA and supports an input voltage range up to 6.5 V. It operates within a temperature range of -40 °C to +85 °C, offering a line regulation of 0.2 %/V and load regulation of 40 mV.

Feature Summary

• Integrates two independent fixed-voltage LDO regulators within a single compact package for space-constrained designs.
• Incorporates built-in overcurrent protection and thermal shutdown circuits to safeguard against overload conditions and overheating.
• Maintains stable performance with low quiescent current consumption suitable for battery-powered applications.

Applications

• Portable electronic devices requiring multiple regulated voltage rails
• Battery-operated equipment needing efficient power management
• Embedded systems utilizing CMOS logic families

Procurement Notes

Verify the specific suffix U5T1G corresponds to the SOT-89-5 package configuration during sourcing. Confirm that the required output voltages match the fixed 4.3 V and 5 V settings provided by this part number variant. Ensure compatibility with the specified operating temperature range for your intended environment before finalizing procurement.

Selection Notes

Select this component when a dual-rail power solution is required without occupying excessive board area. It is appropriate for designs where moderate output current up to 400 mA is sufficient. Consider the fixed voltage outputs as a constraint; if adjustable voltages are needed, alternative parts in the series must be evaluated.

Part Context

This regulator belongs to the S-1701 series, which focuses on combining voltage regulation with detection functions in small packages. The S-1701U5043-U5T1G specifically targets applications needing dual fixed outputs. It complements other ABLIC PMICs by providing a cost-effective solution for multi-voltage requirements in consumer electronics.

Replacement Considerations

Direct substitutes include other S-1701 variants with identical pinouts and dual-output configurations, such as the S-1701D5043-M5T1G or S-1701F5043-M5T1G, provided the package type matches the design constraints.