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NJM78L02UA

NJM78L02UA Description

The NJM78L02UA is a linear voltage regulator designed by Nisshinbo Micro Devices Inc., offering a fixed output voltage of 2.6V with a maximum input voltage of 30V. This regulator is capable of delivering up to 100mA of output current, making it suitable for a variety of low-power applications. The device features a quiescent current of only 6mA, ensuring high efficiency even under light load conditions. With a PSRR (Power Supply Rejection Ratio) of 73dB at 120Hz, the NJM78L02UA provides excellent noise filtering capabilities, ensuring stable and clean power supply to sensitive electronic circuits.

NJM78L02UA Features

• Fixed Output Voltage: The NJM78L02UA provides a stable output voltage of 2.6V, ideal for applications requiring a consistent power supply.
• High Input Voltage Range: With a maximum input voltage of 30V, this regulator can handle a wide range of input voltages, making it versatile for various power sources.
• Low Quiescent Current: The 6mA quiescent current ensures minimal power consumption when the regulator is not actively supplying current to the load, enhancing overall system efficiency.
• High PSRR: The 73dB PSRR at 120Hz effectively filters out noise from the power supply, ensuring a clean and stable output voltage.
• Protection Features: The regulator includes over-temperature and short-circuit protection, safeguarding both the device and the connected circuitry from potential damage.
• Surface Mount Packaging: The SOT89 package type allows for surface mount assembly, making it suitable for compact and high-density PCB designs.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the NJM78L02UA is suitable for storage and handling in various environmental conditions without the need for special precautions.

NJM78L02UA Applications

The NJM78L02UA is well-suited for a variety of applications where a stable and low-noise power supply is required. Some specific use cases include:

• Consumer Electronics: Ideal for powering sensitive analog circuits in devices such as audio amplifiers, where low noise and stable voltage are crucial for high-fidelity performance.
• Industrial Controls: Suitable for low-power control systems that require a reliable and efficient power supply, ensuring consistent operation under varying input voltage conditions.
• Medical Devices: Can be used in medical equipment where stable power supply and low noise are essential for accurate measurements and reliable performance.
• Automotive Electronics: Applicable in automotive applications where the regulator can handle the wide voltage range and provide a stable output for critical electronic components.

Conclusion of NJM78L02UA

The NJM78L02UA is a robust and versatile linear voltage regulator that offers a stable 2.6V output with excellent noise filtering and protection features. Its low quiescent current and high PSRR make it an efficient and reliable choice for a wide range of applications. Despite being marked as obsolete, the NJM78L02UA remains a valuable component for designers seeking a compact, high-performance regulator in a surface-mount package.