S-812C46AUA-C3AT2G

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

The S-812C46AUA-C3AT2G is a fixed-output low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a stable 4.6 V output with a maximum load current of 75 mA. The device operates from an input voltage range up to 16 V and features a typical quiescent current of 1.0 µA. It maintains a voltage regulation accuracy of ±2.0% and exhibits a typical dropout voltage of 110 mV at full load. The component supports surface-mount installation in an SOT-89-3 package and functions within a temperature range of -40°C to +85°C.

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

• Ultra-low power consumption with 1.0 µA quiescent current for battery-operated applications
• High operating input voltage capability up to 16 V
• Fixed output voltage with high precision regulation accuracy
• Integrated short-circuit protection circuitry

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

• Battery-powered portable electronic devices requiring extended standby life
• Voltage regulation for microcontrollers and memory modules
• Power supply stages in industrial control systems
• Communication equipment requiring stable logic-level voltages

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

Verify the specific suffix codes against official ABLIC documentation to confirm pinout compatibility and thermal characteristics. Ensure the ordering information matches the required tolerance and package type. Cross-reference datasheet revisions to validate environmental compliance status before finalizing procurement specifications.

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

Select this component when a 4.6 V fixed rail is required with minimal static power draw. The SOT-89-3 package offers a balance between thermal dissipation and board space efficiency. Consider the 75 mA current limit for load requirements and verify that the input voltage remains within the 16 V maximum rating during all operational transients.

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

This part belongs to the S-812C series of high-voltage CMOS voltage regulators designed by ABLIC. The series is characterized by low quiescent current and wide input voltage ranges, making it suitable for various power management applications where energy efficiency and reliability are critical design constraints.

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

Consult official substitution lists for equivalent parts such as the S-812C46AMC variant if different packaging is needed. Verify functional equivalence regarding pin configuration and electrical parameters before replacing.