S-13R1H34-A4T2U3

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

The S-13R1H34-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 3.4 V with an output current capacity 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 includes built-in reverse current protection, overcurrent protection, and thermal shutdown circuits. The typical current consumption during operation is 5 μA, and it utilizes ceramic capacitors of 1.0 μF or more for input and output filtering.

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

• Built-in reverse current protection function that controls reverse current flow from the Vout pin to the Vin pin without requiring an external protection diode.
• Integrated overcurrent protection circuit that prevents load current from exceeding the output transistor's capacity.
• Thermal shutdown circuit designed to prevent damage caused by overheating conditions.

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

• Portable electronic devices requiring low quiescent current
• Battery-powered systems utilizing CMOS technology
• Circuits necessitating reverse current prevention without external diodes

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

Verify the specific package type HSNT-1010-4 and ensure compatibility with surface-mount assembly processes. Confirm that the required output capacitance meets the minimum specification of 1.0 μF ceramic capacitors for stable operation. Check the operating temperature range specifications against environmental requirements.

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

Select this component when a fixed 3.4 V output is required within the 2.0 V to 5.5 V input range. Consider the 150 mA output current limit and the ±1.0% voltage accuracy. Ensure the application benefits from the integrated reverse current protection feature to simplify the design by eliminating external diodes.

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

This part belongs to the S-13R1 series of low dropout voltage regulators. The series is characterized by low current consumption, high ripple rejection, and compact packaging options suitable for space-constrained applications. It represents a specialized line of PMIC components focused on efficiency and protection in portable electronics.

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

Compatible substitutes within the same series include parts with different output voltages such as S-13R1A17-A4T2U3 (1.7 V) or S-13R1A13-A4T2U3 (1.3 V), provided the system voltage requirement changes. Ensure the replacement maintains the same package footprint and electrical characteristics regarding current and protection features.