The NJM2872AF47-TE1 is a low dropout (LDO) voltage regulator manufactured by New Japan Radio (NJR). This component is designed to provide a stable and regulated output voltage even when the input voltage is close to the desired output. It is often used in battery-powered devices and other applications where efficiency and a small footprint are important.

Applications

• Battery-Powered Devices: Provides efficient voltage regulation to maximize battery life.
• Portable Electronics: Found in devices like smartphones, tablets, and portable media players.
• Wireless Communication Devices: Used in Bluetooth modules, Wi-Fi devices, and other wireless systems.
• Microcontroller Power Supplies: Provides a stable voltage supply for microcontrollers and other digital circuits.
• Sensor Systems: Regulates power for sensors and data acquisition systems.

Features

• Low Dropout Voltage: Maintains stable output voltage with minimal input-output voltage difference.
• High Output Voltage Accuracy: Delivers a precise and consistent output voltage.
• Overcurrent Protection: Protects the regulator and connected components from excessive current.
• Thermal Shutdown: Shuts down the regulator if the temperature exceeds a safe limit, preventing damage.
• Small Package Size: Available in compact packages, suitable for space-constrained applications.
• Low Quiescent Current: Minimizes power consumption when idle, extending battery life.
• Fixed Output Voltage: Offers a pre-set output voltage for ease of design.

Benefits

• Extended Battery Life: Low quiescent current and efficient operation contribute to longer battery runtime.
• Reliable Performance: Stable output voltage ensures reliable operation of connected devices.
• Enhanced Protection: Overcurrent and thermal shutdown features protect against damage and improve reliability.
• Simplified Design: Small package size and fixed output voltage simplify circuit design and reduce board space.
• Cost-Effective: Provides a reliable and efficient voltage regulation solution at a competitive price.

Additional Details

The NJM2872AF47-TE1 typically operates with an input voltage range of 2.5V to 6.0V and outputs a fixed voltage around 4.7V (as indicated by the '47' in the part number), but it's crucial to confirm this with the official datasheet. The dropout voltage is usually very low, allowing the regulator to function even when the input voltage is only slightly higher than the output. It also includes built-in protection mechanisms against short circuits and over-temperature conditions. The typical operating temperature range is -40°C to +85°C. The component is commonly packaged in a small SOT-23 or similar surface-mount package. Always refer to the manufacturer's datasheet for the most accurate and detailed specifications.