S-816A40AMC-BAPT2G

Overview

The S-816A40AMC-BAPT2G is a linear regulator controller IC manufactured by ABLIC Inc., designed for use with external transistors to achieve higher output current capabilities. It features a single fixed output voltage of 4.0 V and supports an input voltage up to 16 V. The device operates within a temperature range of -40°C to +85°C and consumes a supply current of 40 µA. Packaged in a compact SOT-23-5 format, it serves as a power management component for portable electronics requiring efficient voltage regulation.

Feature Summary

• Controller architecture utilizing external transistors for enhanced current handling
• Fixed 4.0 V output voltage configuration
• Low quiescent current consumption of 40 µA
• Wide input voltage tolerance up to 16 V

Applications

• Portable electronic devices requiring regulated power supplies
• Battery-powered systems needing low standby current
• Embedded circuits utilizing external pass elements for high-current loads

Procurement Notes

Verify the specific suffix codes against official ABLIC documentation to ensure correct pinout and thermal characteristics. Confirm availability status as distribution channels may vary. Ensure compatibility with external transistor selection for intended load requirements before finalizing procurement decisions.

Selection Notes

Select this component when a fixed 4.0 V output is required with input voltages up to 16 V. Consider the SOT-23-5 package size for space-constrained designs. Evaluate the need for external transistors to meet specific current demands beyond internal limits. Verify operating temperature ranges match application environmental conditions.

Part Context

This part belongs to the S-816 series of voltage regulators from ABLIC. The series typically offers low dropout performance and high accuracy. The 'A' designation often indicates specific voltage tolerances or revisions within the family. Understanding the broader series helps in identifying compatible alternatives or upgrades within the same manufacturer portfolio.

Replacement Considerations

Check for direct substitutes within the S-816 series with matching output voltages. Verify pin-to-pin compatibility if replacing on existing PCBs. Ensure external transistor requirements remain consistent with the new component's specifications.