S-T111B28MC-OGNTFG

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

The S-T111B28MC-OGNTFG is a positive fixed linear voltage regulator from the ABLIC S-T111 series. It provides a fixed output of 2.8V with a maximum output current of 150mA. The device features a maximum dropout voltage of 0.26V at 100mA and operates within an input voltage range up to 6.5V. Key electrical specifications include a quiescent current of 1 µA, a supply current of 90 µA maximum, and a power supply rejection ratio (PSRR) of 80dB at 1kHz. It includes overcurrent protection and an enable control feature.

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

• Provides stable fixed voltage regulation with low dropout characteristics for efficient power management.
• Incorporates overcurrent protection to safeguard against load faults and short circuits.
• Features an enable pin for precise power control and extended battery life in portable applications.

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

• Battery-powered portable electronic devices requiring low standby current
• Embedded systems needing stable 2.8V logic supply rails
• Communication modules utilizing LDO regulators for noise-sensitive circuits

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

Verify the complete part number including suffixes such as OGNTFG to ensure correct output voltage and packaging. Confirm RoHS compliance status and REACH regulations adherence during sourcing. Check manufacturer datasheets for specific handling and storage conditions. Ensure compatibility with existing PCB footprints for SOT-23-5 packages. Validate supplier authenticity to prevent counterfeit components.

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

Select this component when a fixed 2.8V output is required with minimal quiescent current consumption. Consider the 150mA output capability and 0.26V dropout voltage for efficiency under varying load conditions. Evaluate the 80dB PSRR for noise-sensitive analog or RF sections. Compare thermal performance based on expected power dissipation within the operating temperature range.

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

This device belongs to the S-T111 series of low-dropout linear regulators manufactured by ABLIC Inc. The series is designed for high-efficiency power management in compact surface-mount packages. It targets applications demanding low noise and high reliability in consumer and industrial electronics.

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

S-1112B16MC-L6BTFG, S-1112B16MC-L6BTFU, S-1122B16MC-L8BTFG, S-1122B16MC-L8BTFU, S-T111B16MC-OGBTFG are listed as parameter-equivalent alternatives.