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RP112K401B-TR

RP112K401B-TR Description

The RP112K401B-TR is a high-performance linear regulator designed by Nisshinbo Micro Devices Inc., a renowned manufacturer in the power management integrated circuit (PMIC) domain. This device is part of the RP112x series and is specifically tailored for applications requiring a stable 4V output voltage with a maximum input voltage of 5.25V. The regulator is capable of delivering a continuous output current of 150mA, making it suitable for a wide range of electronic devices and systems.

The RP112K401B-TR features a fixed output configuration, ensuring a consistent and reliable power supply. It boasts a low dropout voltage of 0.28V at 150mA, which is advantageous in applications where the input voltage is close to the output voltage, minimizing power loss and improving efficiency. The regulator also features an enable control function, allowing for dynamic power management and reduced power consumption during idle periods.

RP112K401B-TR Features

• Output Type: Fixed, ensuring a stable 4V output voltage.
• Input Voltage Range: Up to 5.25V, providing flexibility in power supply design.
• Output Current: 150mA, suitable for a variety of low to medium power applications.
• Low Dropout Voltage: 0.28V at 150mA, enhancing efficiency in low headroom applications.
• Enable Control: Allows for dynamic power management and reduced quiescent current.
• Over Current Protection: Ensures robustness and reliability in varying load conditions.
• Quiescent Current: 100 µA, contributing to low power consumption.
• Power Supply Rejection Ratio (PSRR): 80dB to 65dB across a frequency range of 1kHz to 100kHz, ensuring high performance in noisy environments.
• Package Type: DFN1010-4, offering a compact and thermally efficient surface mount solution.
• Moisture Sensitivity Level (MSL): 1 (Unlimited), suitable for a wide range of manufacturing processes.
• RoHS Compliance: Environmentally friendly, adhering to the Restriction of Hazardous Substances Directive.
• Mounting Type: Surface mount, ideal for modern, space-constrained PCB designs.

RP112K401B-TR Applications

The RP112K401B-TR is ideal for a variety of applications where a stable and efficient power supply is critical. Its low dropout voltage and high PSRR make it particularly suitable for battery-powered devices, consumer electronics, and industrial control systems. The enable control feature allows for dynamic power management, making it an excellent choice for applications requiring power-saving modes.

Specific use cases include:

• Battery-Powered Devices: The low dropout voltage ensures maximum battery life by allowing the regulator to operate efficiently even as the battery voltage drops.
• Consumer Electronics: The compact DFN1010-4 package and surface mount type are ideal for space-constrained designs, such as smartphones, tablets, and wearables.
• Industrial Control Systems: The high PSRR and over current protection features ensure reliable operation in noisy industrial environments.
• Medical Devices: The RoHS compliance and robust protection features make it suitable for medical equipment where reliability and safety are paramount.

Conclusion of RP112K401B-TR

The RP112K401B-TR stands out as a versatile and efficient linear regulator, offering a combination of high performance and reliability. Its low dropout voltage, high PSRR, and enable control feature provide significant advantages over similar models, making it an ideal choice for a wide range of applications. Whether powering battery-operated devices, consumer electronics, or industrial systems, the RP112K401B-TR delivers stable and efficient power management, ensuring optimal performance and reliability.