R1171S161B-E2-FE

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

The R1171S161B-E2-FE is a fixed-output Low Dropout (LDO) voltage regulator from the Nisshinbo Micro Devices R1171S series. It provides a fixed output voltage of 1.6 V with a maximum continuous output current of 1.5 A. The device operates within an input voltage range of 2.1 V to 6 V and features a typical dropout voltage of 90 mV at rated load. It includes internal protection mechanisms such as overcurrent protection, thermal shutdown, and reverse polarity protection. The regulator is housed in a compact HSOP-6J-6 package and is designed for applications requiring stable power supply in portable electronic devices.

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

• Provides stable regulated output voltage with high accuracy under varying load conditions
• Incorporates built-in overcurrent protection and thermal shutdown for enhanced reliability
• Features low quiescent current consumption to extend battery life in portable applications
• Supports reverse connection protection to prevent damage from incorrect power supply wiring

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

• Portable electronic devices requiring stable low-voltage power supplies
• Battery-powered equipment needing efficient voltage regulation
• Embedded systems utilizing CMOS logic circuits
• Communication modules requiring low noise power delivery

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

Verify the exact output voltage and current ratings against your specific circuit requirements before ordering. Confirm that the HSOP-6J-6 package footprint matches your PCB design. Ensure the input voltage range aligns with your system's power source. Check for any specific environmental or compliance certifications required for your application. Always refer to the latest official datasheet for accurate electrical characteristics and handling instructions.

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

Select this component when a fixed 1.6 V output is required with up to 1.5 A load capability. Consider the low dropout characteristic for efficiency when the input voltage is close to the output voltage. Evaluate the thermal performance based on expected power dissipation in the HSOP-6J-6 package. Compare with other LDOs if lower quiescent current or different output voltages are needed. Ensure the operating temperature range meets your application's environmental conditions.

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

The R1171S161B-E2-FE belongs to the R1171S series of LDO regulators from Nisshinbo Micro Devices. This series is known for its high output current capability and low dropout voltage. Other variants in the series offer different fixed output voltages to suit various digital logic families. The series is commonly used in consumer electronics and industrial applications where space and power efficiency are critical constraints.

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

Direct replacements must match the 1.6 V output, 1.5 A current rating, and HSOP-6J-6 package. Verify pin compatibility and electrical specifications before substitution. Consult the manufacturer's cross-reference list for approved alternatives. Ensure any substitute part meets the same thermal and protection requirements.