RP110L181B-TR

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

The RP110L181B-TR is a fixed-output positive linear voltage regulator from the RP110x series by Nisshinbo Micro Devices. It provides a fixed 1.8V output with a maximum current of 150mA. The device features a low dropout voltage of 0.6V at full load and operates within an input voltage range up to 5.25V. It consumes a typical quiescent current of 2µA and includes overcurrent protection. The component is housed in a compact DFN1010-4 package with an exposed pad, suitable for surface mount installation across a temperature range of -40°C to +85°C.

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

• Fixed 1.8V output voltage configuration
• Low supply current consumption
• Integrated overcurrent protection circuitry

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

• Battery-powered portable electronics
• Embedded systems requiring stable low-voltage rails
• IoT sensor nodes

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

Verify the specific suffix 'B' against the manufacturer's latest datasheet to confirm pinout and electrical tolerances. Ensure the DFN1010-4 footprint matches the PCB design, paying attention to the exposed thermal pad requirements for proper heat dissipation and mechanical stability during assembly.

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

Select this part when a precise 1.8V rail is required with minimal static power draw. The DFN1010-4 package offers a small form factor ideal for space-constrained designs. Consider the 0.6V dropout specification relative to the minimum input voltage to ensure regulation under all load conditions.

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

This component belongs to the RP110x family of low-dropout regulators designed for low-power applications. The series emphasizes energy efficiency through ultra-low quiescent current, making it suitable for battery-operated devices where extending operational life is critical. The fixed output variants simplify design implementation by removing external resistor networks.

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

Cross-reference with other RP110x series members such as RP110L191B-TR for different voltage outputs. Verify package compatibility if substituting with similar LDOs from other manufacturers.