R1161N181B-TR-FE

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

The R1161N181B-TR-FE is a low dropout regulator manufactured by Nisshinbo Micro Devices. It provides a fixed output voltage of 1.8V with a maximum output current capability of 300mA. The device operates within an input voltage range from 1.4V to 6V and features a typical dropout voltage of 0.23V at full load for this output variant. It incorporates Eco Mode shift functionality to minimize quiescent current during light load conditions, achieving standby currents as low as 0.1μA. The component is housed in a compact SOT-23-5 package.

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

• Integrates Eco Mode shift technology to significantly reduce power consumption under light load conditions
• Provides stable regulated output voltage with low dropout characteristics for efficient power management
• Features fast transient response mode to maintain voltage stability during rapid load changes

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

• Battery-powered portable electronic devices requiring extended operational life
• Low voltage digital logic circuits needing precise 1.8V supply rails
• Embedded systems utilizing CMOS technology with strict power budget constraints

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

Verify the specific suffix codes against official datasheets to confirm output voltage accuracy and package type. Ensure compatibility with required thermal dissipation limits given the small form factor. Confirm RoHS compliance status through manufacturer documentation before integration into final assemblies.

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

Select this component when a fixed 1.8V output is required with moderate current demands up to 300mA. Consider the low standby current feature for applications prioritizing energy efficiency over high-speed transient performance. Evaluate the SOT-23-5 footprint constraints against available board space.

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

This part belongs to the R1161N series of low dropout regulators designed for battery-operated equipment. The series emphasizes ultra-low power consumption through advanced Eco Mode shifting mechanisms. It serves as a power management solution for mobile and handheld devices where battery longevity is critical.

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

Check for direct pin-compatible alternatives within the same Nisshinbo family that offer different output voltages or current ratings. Verify electrical parameter equivalence for any cross-brand substitutes to ensure system stability.