S-19244G18A-E6T1U

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

The S-19244G18A-E6T1U is a fixed-output low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a stable 1.8 V output with a maximum continuous current of 1 A. The device operates within an input voltage range up to 10 V and maintains regulation across an extended temperature range from -40°C to +125°C. Key electrical specifications include a typical power supply rejection ratio (PSRR) of 60 dB at 1 kHz, a quiescent current of 150 µA, and an output voltage accuracy of 2%. Integrated protection features include overcurrent limiting, thermal shutdown, and reverse polarity protection.

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

• High ripple rejection capability ensures clean power delivery for sensitive analog and RF circuits.
• Integrated soft-start function minimizes inrush current during power-up sequences.
• Automotive-grade reliability certified under AEC-Q100 standards for harsh environments.
• Compact surface-mount packaging facilitates efficient PCB layout and space-constrained designs.

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

• Power management for automotive infotainment systems
• Voltage regulation for microcontroller units in industrial controllers
• Power supply stages for sensor interfaces in IoT devices
• Biasing circuits for RF modules in communication equipment

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

Verify the complete part number including suffixes to ensure correct package type and output voltage. Confirm RoHS compliance status through official manufacturer documentation before integration. Check for specific automotive qualification requirements if deploying in safety-critical applications. Ensure ordering quantities align with manufacturer reel specifications to avoid handling issues.

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

Select this component when a high-current 1.8 V rail is required with strict noise sensitivity. Compare input voltage headroom against expected supply variations to ensure dropout performance remains within limits. Evaluate thermal dissipation requirements based on load current and ambient temperature conditions. Consider alternative packages if pin compatibility or board space constraints differ from the standard HSOP-8 configuration.

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

This regulator belongs to the S-19244 series, designed for high-performance power management applications. The series emphasizes high output current capability combined with low noise characteristics. It utilizes CMOS process technology to achieve efficient operation while maintaining robust protection mechanisms. The family supports various fixed output voltages to accommodate diverse system requirements.

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

Direct substitutes may include other ABLIC S-19244 variants with different output voltages or packages. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution. Cross-reference with competitor LDOs offering similar 1 A current and 1.8 V output if sourcing flexibility is required.

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

What is the typical PSRR value for this regulator?

The typical power supply rejection ratio is 60 dB at 1 kHz.

Does this device support automotive applications?

Yes, it is qualified according to the AEC-Q100 standard for automotive use.

What protection features are included?

The device includes overcurrent protection, thermal shutdown, and reverse polarity protection.