S-13R1H39-M5T1U3

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

The S-13R1H39-M5T1U3 is a linear voltage regulator IC from ABLIC Inc., providing a fixed positive output of 3.9 V with a maximum output current of 150 mA. It operates within an input voltage range of 2.0 V to 5.5 V and utilizes an SOT-23-5 surface-mount package. The device supports operation temperatures from -40 °C to +85 °C and features reverse current protection capabilities.

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

• Provides stable fixed voltage regulation for sensitive electronic circuits
• Incorporates internal circuitry to prevent reverse current flow when the input voltage drops below the output level
• Designed for compact applications using a small five-pin surface-mount footprint

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

• Portable battery-powered consumer electronics requiring stable power rails
• Embedded systems utilizing low-voltage logic components
• Industrial control modules operating in moderate temperature environments

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

Verify the specific suffix codes against official ABLIC documentation to confirm exact electrical tolerances and thermal characteristics. Ensure compatibility with existing PCB footprints and thermal management strategies before finalizing procurement orders.

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

Select this component when a fixed 3.9 V rail is required with moderate current demands up to 150 mA. Consider its reverse current protection feature if the system may experience input voltage loss while maintaining output charge. Evaluate the SOT-23-5 package constraints for space-limited designs.

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

This part belongs to the S-13R1 series of CMOS LDO regulators manufactured by ABLIC. The series is characterized by low quiescent current and high ripple rejection ratios, making it suitable for noise-sensitive analog and digital applications in portable devices.

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

Cross-reference with other S-13R1 series variants such as S-13R1G39-M5T1U3 for identical electrical specifications but potentially different manufacturing batches or minor packaging variations. Verify pinout compatibility before substitution.