S-1313B31-N4T1U3

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The ABLIC S-1313B31-N4T1U3 is a CMOS low-dropout (LDO) voltage regulator featuring an ultra-low quiescent current of 900 nA. It provides a fixed output voltage of 3.1 V with a maximum load current of 200 mA. The device operates within an input voltage range of 1.5 V to 5.5 V and maintains a typical dropout voltage of 160 mV. Voltage regulation accuracy is specified at 1%, with line regulation of 0.05%/V and load regulation of 40 mV. It supports power dissipation up to 600 mW in SOT-23-5 packages or 400 mW in SC-82AB-4 packages, functioning reliably between -40°C and +85°C.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Ultra-low operating current for extended battery life
• High precision voltage regulation with 1% accuracy
• Reverse current protection capability

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Battery-powered portable electronic devices
• Wireless communication modules
• Microcontroller power supply systems

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the specific package suffix against official datasheets, as N4T1U3 indicates SC-82AB-4 while M5T1U3 denotes SOT-23-5. Confirm RoHS compliance status via manufacturer documentation. Ensure input voltage remains within the 1.5 V to 5.5 V operational range during integration. Validate thermal performance against the specified power dissipation limits for the selected package type.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when ultra-low standby current is critical for system efficiency. Choose the SOT-23-5 package for higher power dissipation requirements up to 600 mW. Opt for the SC-82AB-4 package if space constraints prioritize minimal footprint over thermal capacity. Ensure the required output voltage matches the fixed 3.1 V specification, as adjustable variants are not available in this specific part number.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This regulator belongs to the S-1313 series of CMOS LDOs designed for low-power applications. It shares core electrical characteristics with other variants in the family but differs in package configuration and specific output voltage settings. The series emphasizes energy conservation through minimized internal bias currents while maintaining stable output under varying load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

Direct substitutes include S-1313B31-M5T1U3 for identical electrical performance in an SOT-23-5 package. For SC-82AB-4 packaging, verify compatibility with other S-1313 series parts offering 3.1 V output. Cross-reference pinouts and thermal specifications before implementation.