RP170N281B-TR-KE

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

The RP170N281B-TR-KE is a fixed-output low dropout (LDO) voltage regulator manufactured by Nisshinbo Micro Devices. It provides a stable 2.8 V output with a maximum continuous current of 300 mA. The device supports an input voltage range up to 10 V and operates within a temperature range of -40 °C to +85 °C. Key electrical specifications include a typical power supply rejection ratio (PSRR) of 70 dB, a line regulation of 0.02 %/V, and a load regulation of 10 mV. The quiescent operating current is 23 µA, and the package dissipation is rated at 420 mW.

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

• Provides a fixed 2.8 V output voltage with high precision regulation
• Delivers up to 300 mA output current capability for moderate load applications
• Features low quiescent current consumption for energy efficiency
• Offers high ripple rejection performance in a compact surface-mount footprint

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

• Portable electronic devices requiring stable low-voltage power rails
• Battery-powered systems needing efficient linear regulation
• Industrial control modules operating within standard commercial temperature ranges
• Embedded sensor interfaces requiring clean power supply noise filtering

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

Verify the complete part number including the suffix KE against official Nisshinbo documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the required output voltage and current ratings align with your circuit design before ordering. Check for RoHS compliance status as indicated in the manufacturer's datasheet. Ensure compatibility with SOT-23-5 mounting requirements on your printed circuit board layout.

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

Select this component when a fixed 2.8 V rail is required with moderate current demands up to 300 mA. Consider the thermal dissipation limits of the SOT-23-5 package under expected load conditions. Evaluate the input-to-output voltage differential to ensure operation remains within the specified dropout characteristics. Verify that the operating temperature range meets the environmental constraints of the target application.

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

This regulator belongs to the RP170N series of CMOS LDO regulators from Nisshinbo Micro Devices. The series is designed for general-purpose power management in portable and industrial electronics. The RP170N family offers various fixed output voltages and packages, providing designers with flexible options for different voltage and current requirements while maintaining consistent performance characteristics across the product line.

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

Cross-reference with other RP170N series variants such as RP170N281B-TR-FE for identical electrical specifications but potentially different packaging or reel configurations. Verify pinout compatibility and thermal performance if substituting with components from other manufacturers offering similar 2.8 V, 300 mA LDO regulators in SOT-23-5 packages.