RP131K411B-TR

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

The RP131K411B-TR is a fixed-output low dropout regulator from the Nisshinbo RP131x series, providing a stable 4.1V output with a maximum current capability of 1A. It operates within an input voltage range of 1.6V to 6.5V and features a typical supply current of 65µA. The device utilizes a DFN(PL)1820-6 package and includes built-in protections such as over-current limit, short-circuit protection, and thermal shutdown.

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

• Integrates a low ON-resistance transistor for efficient power regulation
• Includes chip enable functionality for ultra-low standby current consumption
• Features built-in inrush current limiting and fold-back protection circuits
• Incorporates thermal shutdown circuitry to prevent damage during overheating

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

• Power source for battery-powered equipment
• Power source for portable communication equipment
• Power source for notebook PCs
• Power source for home appliances

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

Verify the specific part number against official manufacturer documentation to confirm the fixed output voltage and package type. Ensure compatibility with recommended external ceramic capacitors for stability. Confirm RoHS compliance and lead-free status through authorized distributors or direct manufacturer channels before procurement.

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

Select this component when a fixed 4.1V output is required with high current drive capabilities. Consider the DFN(PL)1820-6 package for high-density mounting applications. Evaluate the need for chip enable control if standby power reduction is critical for the system design.

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

This component belongs to the RP131x series of low voltage LDO regulators manufactured by Nisshinbo Micro Devices. The series offers various output voltages and packages, including DFN and SOT types. The 'K' suffix indicates the DFN(PL)1820-6 package, while 'B' denotes the absence of an auto-discharge function at the off state.

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

Consult the official datasheet for alternative package options within the RP131x family, such as RP131H or RP131S variants, if different form factors are required. Verify pinout compatibility and electrical specifications before substituting.