S-13R1H31-A4T2U3

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

The S-13R1H31-A4T2U3 is a positive voltage regulator IC from the S-13R1 series, manufactured by ABLIC Inc. using CMOS technology. It provides a fixed output voltage of 3.1 V with a maximum output current of 150 mA. The device supports an input voltage range of 2.0 V to 5.5 V and features high accuracy with an output voltage tolerance of ±1.0%. It operates within a temperature range of -40°C to +85°C and is housed in an HSNT-4-B package.

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

• Built-in reverse current protection function that limits reverse current flow from the Vout pin to the Vin pin to a maximum of 0.09 μA, eliminating the need for external protection diodes.

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

• Battery-powered portable electronic devices requiring low quiescent current
• Systems utilizing ceramic capacitors for input and output filtering
• Applications necessitating protection against reverse current flow without external components

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

Verify the specific part number S-13R1H31-A4T2U3 against official ABLIC documentation to confirm the fixed 3.1 V output and HSNT-4-B package configuration. Ensure compatibility with system requirements for input voltage ranges and thermal management. Cross-reference datasheet specifications for ripple rejection and dropout voltage characteristics prior to integration.

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

Select this component for designs requiring a fixed 3.1 V supply with 150 mA capability and integrated reverse current protection. Consider the HSNT-4-B package for space-constrained surface-mount applications. Evaluate the 70 dB typical ripple rejection and low current consumption against system power efficiency targets.

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

This component belongs to the S-13R1 series of low dropout voltage regulators developed by ABLIC Inc. The series utilizes CMOS technology to achieve high accuracy and low current consumption while maintaining high ripple rejection ratios. The S-13R1H31-A4T2U3 specifically denotes the 3.1 V output variant within this family.

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

Publicly confirmed substitute part numbers are not available in the provided source material. Verify functional equivalence with other S-13R1 series variants or comparable LDOs only through official manufacturer cross-reference lists.

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

Does the S-13R1H31-A4T2U3 require an external protection diode?

No, the device includes a built-in reverse current protection function that controls reverse current to a maximum of 0.09 μA, making an external IC protection diode unnecessary.

What type of capacitors can be used with this regulator?

A ceramic capacitor of 1.0 μF or more can be used as both the input and output capacitors for this voltage regulator.