S-13R1A2J-A4T2U3

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

The S-13R1A2J-A4T2U3 is a CMOS positive voltage regulator IC from the S-13R1 Series by ABLIC Inc. It provides a fixed output voltage of 2.7 V with an accuracy of ±1.0%. The device supports an input voltage range of 2.0 V to 5.5 V and delivers up to 150 mA of output current. Key electrical characteristics include a typical dropout voltage of 0.28 V at 100 mA, a ripple rejection ratio of 70 dB typ., and low current consumption of 5 μA typ. during operation. It features reverse current protection limiting leakage to 0.09 μA max.

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

• Built-in reverse current protection function prevents current flow from the VOUT pin to the VIN pin without requiring an external protection diode.
• Integrated overcurrent protection circuit limits load current to protect the output transistor against short circuits.
• Thermal shutdown circuit activates at approximately 150°C junction temperature to prevent damage from overheating.
• ON/OFF control logic allows for active high operation, enabling significant reduction in current consumption when disabled.

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

• Constant-voltage power supply for battery-powered devices
• Power regulation for portable equipment
• Voltage regulation for home electric appliances
• Power management for mobile phones

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

Verify the specific ordering suffix 'A4T2U3' corresponds to the HSNT-4 (1010) package and tape reel packing configuration as defined in the manufacturer's product name structure. Confirm that the 'A' type designation matches the required discharge shunt and pull-down functionalities for your application design. Ensure compliance with RoHS and halogen-free requirements specified in the datasheet.

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

Select this component for applications requiring a fixed 2.7 V rail with minimal quiescent current. The HSNT-4 package offers a compact footprint suitable for space-constrained designs. Consider the thermal dissipation capabilities of the package if operating near maximum load currents or high ambient temperatures. Verify that the input voltage remains within the 2.0 V to 5.5 V range to ensure stable regulation.

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

This part belongs to the S-13R1 Series, which utilizes CMOS technology to achieve low dropout voltage and high accuracy. The series is designed for use in portable electronic devices where battery life is critical. The S-13R1A2J variant specifically denotes the A-type function set with a 2.7 V output voltage.

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

Other parts in the S-13R1 Series such as S-13R1A27-I4T1U3 or S-13R1A27-N4T1U3 may serve as functional substitutes if package compatibility is addressed. Ensure that any replacement maintains the same output voltage, current rating, and ON/OFF logic requirements.