The NJM2882F18(TE1) is a low dropout (LDO) regulator manufactured by New Japan Radio. It is specifically designed to provide a stable 1.8V output voltage, even when the input voltage is only slightly higher than the output voltage. This makes it well-suited for battery-powered applications and other situations where a consistent and regulated voltage is crucial. The (TE1) suffix denotes a specific tape and reel packaging configuration for automated assembly.

Applications

• Microcontroller Power Supplies: Provides a stable 1.8V supply for low-voltage microcontrollers.
• Memory Devices: Regulates voltage for SRAM, flash memory, and other memory ICs requiring 1.8V.
• Portable Electronics: Powers various components in smartphones, tablets, and other portable devices.
• Sensor Systems: Supplies a consistent voltage to sensors and data acquisition circuits.
• Wireless Communication Modules: Regulates voltage for Bluetooth, Wi-Fi, and other wireless modules operating at 1.8V.

Features

• Low Dropout Voltage: Operates with a minimal difference between input and output voltage, improving efficiency.
• Fixed 1.8V Output: Provides a precise and stable 1.8V output voltage.
• Overcurrent Protection: Protects the regulator and the load from damage due to excessive current.
• Thermal Shutdown Protection: Shuts down the regulator in case of overheating to prevent damage.
• Small Package: Available in a compact surface-mount package for space-constrained applications.

Benefits

• Extended Battery Life: Low dropout operation maximizes energy efficiency, extending the operating time of battery-powered devices.
• Stable and Reliable Performance: Ensures consistent and accurate voltage supply for critical components.
• Protection from Fault Conditions: Overcurrent and thermal shutdown features prevent damage to the regulator and connected circuits.
• Compact Design: Allows for integration into small and portable devices.

Additional Details

The NJM2882F18(TE1) has a low quiescent current, further contributing to its energy efficiency. It operates within a specified input voltage range, typically slightly above 1.8V. The overcurrent protection is set to a limit that prevents damage without being overly sensitive. The thermal shutdown temperature is usually around 150°C. This regulator is commonly used in applications requiring a precise and stable 1.8V supply in a compact form factor, particularly in battery-powered electronics.