S-T111B44MC-OHDTFU

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

The S-T111B44MC-OHDTFU is a positive fixed linear voltage regulator from the ABLIC S-T111 series. It provides a fixed output voltage of 4.4V with a maximum output current of 150mA. The device supports an input voltage up to 6.5V and features a typical dropout voltage of 80mV at full load. It incorporates overcurrent protection and operates within a temperature range of -40°C to 85°C. Packaged in a compact SOT-23-5 surface-mount case, it is designed for low-voltage applications requiring high accuracy.

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

• Utilizes high-withstand voltage CMOS process technology for reliable operation
• Provides high-accuracy fixed output voltage regulation
• Supports high output current capability for demanding loads
• Features built-in overcurrent protection for circuit safety

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

• Battery-powered portable electronic devices
• Low-voltage digital logic circuits
• Microcontroller power supply rails
• Sensor interface power conditioning

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

Verify the complete part number including suffixes such as OHDTFU against official ABLIC datasheets to ensure correct voltage and package specifications. Confirm that the required output current and input voltage ranges align with your system design before ordering. Check for parameter-equivalent alternatives if availability is constrained, ensuring functional compatibility.

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

Select this component when a stable 4.4V rail is required from inputs up to 6.5V. Ensure the application does not exceed the 150mA output limit. Consider the SOT-23-5 footprint constraints during PCB layout. Verify thermal dissipation requirements based on the voltage drop and load current to maintain operation within the specified temperature range.

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

This device belongs to the S-T111 family of low-dropout regulators manufactured by ABLIC Inc. These components are engineered for efficiency and stability in space-constrained designs. The series emphasizes low quiescent current and high power supply rejection ratio, making them suitable for noise-sensitive analog and digital systems.

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

Parameter-equivalent substitutes include S-1112B44MC-L7DTFG and S-T111B44MC-OHDTFG. Verify pinout compatibility and electrical specifications match before substitution.