R1514H055B-T1-FE

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

The R1514H055B-T1-FE is a CMOS-based low-dropout (LDO) voltage regulator manufactured by Nisshinbo Micro Devices. It provides a fixed positive output voltage of 5.5 V with a maximum continuous output current of 150 mA. The device supports a wide input voltage range from 2.0 V to 36 V, making it suitable for high-voltage applications. Key electrical specifications include an ultra-low supply current of 9 µA typical, a line regulation of 0.05 %/V, and a load regulation of 20 mV. The output voltage accuracy is maintained at ±2 %. The component operates within a temperature range of -40 °C to +105 °C and features built-in protection circuits including peak current limit, short circuit current limit, and thermal shutdown.

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

• Ultra-low supply current consumption for extended battery life in portable devices
• Wide input voltage range up to 36 V for automotive and industrial power sources
• Integrated protection mechanisms including peak current limit, short circuit limit, and thermal shutdown
• High output voltage accuracy of ±2% ensuring stable regulated power delivery

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

• Power supplies for car accessories and automotive electronics
• Battery-powered portable equipment requiring low quiescent current
• Industrial control systems operating under wide voltage variations
• General-purpose low-dropout regulation in consumer electronics

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

Verify the specific output voltage code (055 for 5.5 V) and package type (SOT-89-5) against the design requirements. Confirm that the 150 mA output current capability meets the load demands. Ensure the 36 V maximum input voltage rating exceeds the system's highest possible input potential. Check for RoHS compliance documentation if required by the manufacturing process. Validate the operating temperature range suitability for the intended environment.

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

Select this component when a fixed 5.5 V output is required with high input voltage tolerance up to 36 V. The ultra-low 9 µA supply current makes it ideal for battery-operated applications where standby power consumption must be minimized. The SOT-89-5 package offers a compact solution for space-constrained designs. Consider the ±2% output voltage accuracy and 150 mA current capacity to ensure compatibility with downstream circuitry requirements.

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

This part belongs to the R1514H series of CMOS LDO regulators designed for wide input voltage applications. The series is characterized by its ability to handle high input voltages while maintaining low power consumption. The 'H' suffix typically denotes the high-input voltage variant within the R1514 family. These regulators are engineered for reliability in automotive and industrial environments, featuring robust internal protection circuits to safeguard against over-current and overheating conditions.

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

Direct replacements within the same series include other fixed voltage variants such as R1514H033B-T1-FE (3.3 V) or R1514H050B-T1-FE (5.0 V), provided the output voltage requirement differs. For adjustable output needs, the R1514H001C-T1-FE may be considered. Ensure any substitute maintains the SOT-89-5 package and 36 V input rating. Verify that the replacement part shares the same pinout configuration to avoid PCB redesign.