S-19243A18H-U5T1U

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

The S-19243A18H-U5T1U is a positive fixed linear voltage regulator from the ABLIC S-19243 series. It provides a fixed output voltage of 1.8V with a maximum output current of 500mA. The device operates within an input voltage range up to 10V and features low quiescent current consumption of 150µA. It includes protection functions for overcurrent, overtemperature, and short-circuit conditions. The component is housed in a SOT-89-5 package and is rated for an operating temperature range of -40°C to 105°C.

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

• Provides stable 1.8V fixed output voltage with 500mA load capability
• Integrates comprehensive protection mechanisms including overcurrent, thermal shutdown, and short-circuit protection
• Features low quiescent current consumption for efficient power management

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

• Portable electronic devices requiring stable low-voltage power supplies
• Battery-powered systems needing efficient linear regulation
• Automotive electronics components compatible with wide input voltage ranges

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

Verify the specific suffix codes against official ABLIC documentation to ensure correct pinout and electrical characteristics. Confirm package type and temperature rating match design requirements. Check for RoHS compliance status if required by project specifications. Ensure sourcing channels provide genuine parts to avoid counterfeit risks.

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

Select this component when a fixed 1.8V output is required with moderate current demands. Consider the SOT-89-5 package for space-constrained designs. Evaluate thermal performance under expected load conditions. Compare against adjustable regulators if variable output flexibility is needed later in the design cycle.

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

This part belongs to the S-19243 series of low-dropout regulators designed for automotive and industrial applications. The series offers high withstand voltage and accuracy. The 'A' suffix typically denotes a specific output voltage code within the family, while 'H' indicates the package type.

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

S-19243C18H-U5T1U and S-19243F18A-U5T1U are listed as parameter-equivalent alternatives. Verify pin compatibility and exact electrical tolerances before substitution.