S-1333D18-A4T1U3

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

The S-1333D18-A4T1U3 is a CMOS-based low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It belongs to the S-1333 series and provides a fixed output voltage of 1.8V with a maximum output current capability of 100mA. The device features an ultra-low quiescent current of 28µA, ensuring minimal power consumption during operation. It operates within an input voltage range up to 5.5V and maintains stable performance across a temperature range of -40°C to +85°C. The component is housed in a compact HSNT-0808-4 package, suitable for surface-mount applications requiring efficient power management in space-constrained designs.

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

• Ultra-low quiescent current design minimizes standby power consumption
• Fixed 1.8V output ensures stable voltage regulation for sensitive loads
• Compact HSNT-0808-4 package facilitates high-density PCB layouts

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

• Battery-powered portable electronic devices
• Microcontroller power supply circuits
• Wireless communication modules

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

Verify the specific ordering suffix and package type against official ABLIC documentation before procurement. Confirm that the HSNT-0808-4 footprint matches your PCB design requirements. Ensure compliance with RoHS standards as specified in the manufacturer's datasheet. Cross-reference the part number with authorized distributors to avoid counterfeit components.

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

Select this component when a fixed 1.8V output is required with minimal static current draw. The 100mA output current rating suits low-power digital logic applications. Consider the thermal characteristics and package size for integration into compact enclosures. Verify input voltage compatibility with the system's power source to ensure proper dropout margin.

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

This LDO regulator is part of ABLIC's S-1333 series, designed for energy-efficient power management. The series emphasizes low quiescent current and small form factors, making it ideal for modern portable electronics. The S-1333D18 variant specifically targets applications needing a stable 1.8V rail with high efficiency under light load conditions.

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

Check for direct substitutes within the S-1333 series with compatible output voltages and currents. Verify pin-out compatibility if replacing with other packages like SOT-23-5. Ensure thermal performance and package dimensions align with existing board constraints.