S-1701E3328-U5T1G

Overview

The S-1701E3328-U5T1G is a dual-output low dropout (LDO) voltage regulator from the ABLIC S-1701 series, housed in an SOT-89-5 package. It provides fixed output voltages of 2.8 V and 3.3 V with a maximum output current of 400 mA per channel. The device features a typical quiescent current of 85 µA and operates within an input voltage range of 2.0 V to 6.5 V. It includes built-in overcurrent protection and thermal shutdown circuits, ensuring reliable operation across a temperature range of -40°C to +85°C.

Feature Summary

• Dual independent fixed output channels providing 2.8 V and 3.3 V simultaneously
• Integrated overcurrent protection and thermal shutdown for enhanced reliability
• Low quiescent current consumption suitable for battery-powered applications

Applications

• Portable electronic devices requiring multiple stable voltage rails
• Battery-operated systems needing efficient power management
• Embedded circuits requiring combined voltage regulation and monitoring

Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to confirm pinout compatibility and electrical tolerances. Ensure the ordering part number matches the required output voltage combination and package type. Confirm RoHS compliance status through the manufacturer's latest datasheet before finalizing procurement specifications.

Selection Notes

Select this component when dual regulated outputs are required in a compact SOT-89-5 footprint. It is suitable for designs prioritizing low standby current and integrated protection features. Compare dropout voltage specifications against load requirements to ensure stable regulation under varying input conditions and temperature ranges.

Part Context

This part belongs to the S-1701 series of combo voltage detectors and regulators. These ICs integrate LDO functionality with voltage detection capabilities, offering a space-saving solution for power management. The series is designed for applications requiring high accuracy and low power consumption in portable electronics.

Replacement Considerations

Check for direct substitutes within the S-1701 family with matching output voltages. Verify pin-to-pin compatibility with alternative packages if board space constraints change. Ensure replacement parts maintain equivalent protection features and operating temperature ranges.