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RP115L171D5-E2

RP115L171D5-E2 Description

The RP115L171D5-E2 is a high-performance linear regulator designed by Nisshinbo Micro Devices Inc., part of the RP115x series. This IC offers a fixed output voltage of 1.75V and is capable of delivering a maximum output current of 500mA. It features a low dropout voltage of 0.11V at 500mA, ensuring efficient operation even at low input-to-output voltage differentials. The regulator is housed in a compact DFN1216-8 package, making it suitable for space-constrained applications. With a maximum input voltage of 5.25V, the RP115L171D5-E2 is ideal for a wide range of power management tasks, providing a reliable and efficient solution for modern electronic designs.

RP115L171D5-E2 Features

• Output Type: Fixed
• Voltage - Input (Max): 5.25V
• Current - Output: 500mA
• Number of Regulators: 1
• Output Configuration: Positive
• Voltage - Output (Min/Fixed): 1.75V
• Voltage Dropout (Max): 0.11V @ 500mA
• Current - Quiescent (Iq): 160 µA
• PSRR: 80dB (1kHz)
• Control Features: Enable
• Protection Features: Over Current, Over Temperature, Reverse Current
• Package: Tape & Reel (TR)
• Mounting Type: Surface Mount
• RoHS Status: RoHS Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• ECCN: EAR99
• HTSUS: 8542.39.0001

The RP115L171D5-E2 stands out with its low quiescent current of 160 µA, making it highly efficient for battery-powered devices. Its high power supply rejection ratio (PSRR) of 80dB at 1kHz ensures minimal noise and ripple in the output voltage, providing clean power to sensitive analog circuits. The enable control feature allows for dynamic power management, enabling the regulator to be turned on and off as needed, which is particularly useful in power-saving modes.

RP115L171D5-E2 Applications

The RP115L171D5-E2 is well-suited for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and high PSRR make it ideal for use in:

• Portable Devices: Smartphones, tablets, and other battery-operated devices benefit from the regulator's low quiescent current and high efficiency.
• Wearable Technology: Fitness trackers and smartwatches can leverage the compact size and low power consumption of the RP115L171D5-E2.
• Medical Devices: Portable medical equipment, such as glucose meters and portable ECG devices, require reliable and low-noise power supplies.
• Industrial IoT: Sensors and actuators in industrial environments often need stable power sources with minimal noise to ensure accurate measurements and reliable operation.

Conclusion of RP115L171D5-E2

The RP115L171D5-E2 is a robust and efficient linear regulator that offers significant advantages over similar models. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications where power efficiency and noise reduction are critical. The inclusion of over current, over temperature, and reverse current protection features ensures reliable operation under various conditions. With its compact DFN1216-8 package and surface mount design, the RP115L171D5-E2 is ideal for modern, space-constrained electronic designs. Whether in portable devices, wearable technology, medical equipment, or industrial IoT applications, the RP115L171D5-E2 provides a reliable and efficient power management solution.