S-1112B31PI-L6QTFU

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

The S-1112B31PI-L6QTFU is a fixed-output linear low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a stable 3.1 V output with a maximum continuous current of 150 mA. The device operates within an input voltage range of 2 V to 6.5 V and features a typical dropout voltage of 190 mV at full load. It incorporates an enable control function for power management and includes overcurrent protection circuits. The component is designed for surface-mount installation in SNT-6A-H-6 packages, supporting operation across a temperature range of -40°C to +85°C.

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

• Ultra-low quiescent current consumption for extended battery life
• Integrated enable pin for precise power switching control
• Built-in overcurrent protection circuitry for enhanced reliability
• High ripple rejection ratio for clean power delivery

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

• Portable consumer electronics requiring efficient power regulation
• Battery-powered sensor modules and IoT devices
• Microcontroller unit (MCU) core voltage supply
• RF communication circuits needing low-noise power sources

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

Verify the specific suffix codes against official ABLIC documentation to ensure correct package type and tape/reel specifications. Confirm that the requested quantity aligns with manufacturer minimum order requirements and standard packaging formats. Cross-reference the part number with the latest datasheet revision to validate electrical parameters and environmental compliance status before finalizing procurement orders.

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

Select this regulator when a fixed 3.1 V output is required with minimal static current draw. Ensure the input voltage remains within the specified 2 V to 6.5 V range to maintain proper regulation. Verify that the thermal dissipation capabilities of the SNT-6A-H-6 package are sufficient for the expected load current and ambient operating conditions. Consider the enable feature if system power sequencing or shutdown states are necessary.

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

This component belongs to the S-1112 series of CMOS voltage regulators from ABLIC. The series is characterized by high precision and low power consumption, making it suitable for portable applications. The S-1112 family offers various fixed output voltages and package options, allowing designers to optimize board space and power efficiency. This specific variant utilizes the SNT-6A-H-6 package for compact integration.

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

Direct substitutes include other S-1112 series variants with identical output voltage and package, such as S-1112B31PI-L6QTFG. Alternative packages like SOT-23-5 may require schematic and layout modifications. Verify that any replacement maintains the same quiescent current, dropout voltage, and protection features to ensure circuit compatibility.