S-1112B55PI-L7OTFU

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

The S-1112B55PI-L7OTFU is a fixed-output linear low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a fixed output voltage of 5.5 V with a maximum output 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 100 mA, with a maximum of 260 mV. It includes internal protection against short circuits and thermal shutdown. The component is housed in a compact SNT-6A-H-6 surface-mount package and supports operation across a temperature range of -40°C to +85°C.

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

• Fixed 5.5 V output voltage with 150 mA load capability
• Low dropout voltage for efficient power management
• Integrated short-circuit and thermal shutdown protection
• Compact SNT-6A-H-6 surface-mount package

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

• Battery-powered portable electronic devices
• General-purpose logic circuit power supplies
• Microcontroller unit (MCU) core voltage regulation
• Sensor interface power conditioning

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

Verify the specific suffix L7OTFU to confirm the SNT-6A-H-6 package type and tape-and-reel shipping configuration. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets prior to integration. Ensure input voltage constraints are respected to maintain regulation stability.

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

Select this component when a stable 5.5 V rail is required from sources between 2 V and 6.5 V. The low quiescent current and small footprint make it suitable for space-constrained designs. Verify that the expected load current does not exceed 150 mA and that thermal dissipation remains within the 600 mW limit for the selected package.

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

This part belongs to the S-1112 series of CMOS-based LDO regulators designed for low-power applications. The series offers various fixed output voltages and packages, including SOT-23-5 and SNT-6A-H-6. The S-1112B55PI variant specifically targets applications requiring precise voltage regulation with minimal external components.

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

Direct substitutes include other S-1112 series parts with identical 5.5 V output and SNT-6A packaging, such as S-1112B55PI-L7OTFG if lead-free soldering requirements differ. Cross-reference pinouts and thermal characteristics before substitution.