S-812C37BMC-C4RT2G

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

The S-812C37BMC-C4RT2G is a fixed positive linear low-dropout (LDO) voltage regulator manufactured by ABLIC Inc. It provides a fixed output voltage of 3.7V with a maximum continuous output current of 50mA. The device supports an input voltage range up to 16V and features a typical dropout voltage of 0.35V at a 10mA load. Key electrical characteristics include a quiescent current of 500nA and a maximum supply current of 2.1µA. It incorporates short-circuit protection and an enable control function, operating within a temperature range of -40°C to +85°C in a compact SOT-23-5 package.

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

• Ultra-low power consumption with minimal quiescent current for battery-operated applications
• Integrated short-circuit protection ensures device safety under fault conditions
• Enable pin allows precise power management and system sleep mode control

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

• Portable electronic devices requiring efficient power regulation
• Battery-powered sensor modules and IoT nodes
• Embedded systems utilizing microcontrollers or memory components

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

Verify the specific suffix codes against official ABLIC documentation to confirm output voltage tolerance and package variations. Ensure compatibility with existing PCB footprints for the SOT-23-5 configuration. Cross-reference part numbers with authorized distributors to avoid counterfeit components. Confirm RoHS compliance status if required by project specifications.

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

Select this component when a stable 3.7V rail is needed from higher input voltages with minimal power loss. Consider the 50mA output limit for load requirements. Evaluate the low quiescent current benefit for extending battery life in portable designs. Verify that the thermal performance in the SOT-23-5 package meets the application's dissipation needs.

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

This part belongs to the S-812C series of high-voltage CMOS LDO regulators from ABLIC. The series is characterized by wide input voltage support and low standby current. The S-812C37 variant specifically targets applications needing a 3.7V output, commonly used in lithium-ion battery powered systems where the battery voltage may vary but requires a regulated supply.

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

Direct substitutes within the S-812C family include other output voltage variants such as S-812C33BMC-C4RT2G (3.3V) or S-812C40BMC-C4RT2G (4.0V), provided the voltage requirement changes. Ensure any replacement maintains the same SOT-23-5 footprint and pinout configuration.