R1154H058B-T1-FE

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

The R1154H058B-T1-FE is a fixed-output low-dropout regulator from the Nisshinbo Micro Devices R1154x series, housed in an SOT-89-5 package. It delivers a nominal output voltage of 5.8 V with ±2.0% accuracy and supports a minimum output current of 150 mA. The device operates with a maximum input voltage of 24 V and features a typical supply current of 5 µA. Key electrical parameters include a line regulation of 0.05 %/V, a short-circuit current limit of 45 mA, and a thermal shutdown threshold at 150 °C.

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

• Built-in peak current limit circuit for overload protection
• Integrated short current limit circuit to prevent damage during faults
• Thermal shutdown circuit activates at high junction temperatures
• Supports high-density mounting via compact surface-mount packaging

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

• Power source for home appliances such as refrigerators and rice cookers
• Power supply for car audio equipment and navigation systems
• Power source for notebook PCs and digital TVs
• Power supply for copiers, printers, and scanners

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

Verify that the ordering suffix matches the required package type and output voltage configuration. Confirm compliance with RoHS standards and halogen-free requirements before procurement. Ensure the selected part number corresponds to the fixed output variant rather than the adjustable version. Cross-reference the manufacturer's latest datasheet to validate pinout compatibility and thermal performance specifications for the specific application environment.

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

Select this component when a stable 5.8 V rail is required with minimal quiescent current consumption. The SOT-89-5 package offers higher power dissipation capabilities compared to smaller footprints, suitable for moderate load currents up to 150 mA. Consider the input voltage range relative to the dropout voltage to ensure regulation stability under varying load conditions. Evaluate thermal management requirements based on the ambient temperature and PCB layout constraints.

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

This part belongs to the R1154x series of 150 mA voltage regulators designed for wide input voltage ranges. The series includes fixed output types (suffix B) and adjustable types (suffix C). The R1154H variant specifically utilizes the SOT-89-5 package, distinguishing it from the DFN1616-6 and SOT-23-5 options available in the same family. All variants share common protection features and low standby current characteristics.

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

Direct substitutes within the same series include other R1154HxxxB-T1-FE parts with different fixed output voltages, provided the system voltage requirement differs. For package changes, verify thermal resistance differences between SOT-89-5, SOT-23-5, and DFN1616-6. No cross-family replacements are confirmed in the provided documentation.