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NCP4686DSN18T1G

NCP4686DSN18T1G Description

The NCP4686DSN18T1G is a linear regulator IC designed for power management applications, offering a fixed output voltage of 1.8V and a maximum output current of 400mA. Manufactured by onsemi, this device is housed in a compact SOT23-5 package, making it suitable for space-constrained designs. Despite its small form factor, the NCP4686DSN18T1G provides robust performance with a maximum dropout voltage of 0.3V1 at 400mA, ensuring efficient power delivery even under varying load conditions. The regulator features an enable control function, allowing for dynamic power management and enhanced system flexibility. Additionally, it includes over-current protection to safeguard against potential faults and ensure reliable operation. With a quiescent current of just 75 µA and a power supply rejection ratio (PSRR) of 60dB at 10kHz, the NCP4686DSN18T1G offers excellent efficiency and performance noise. Although this product is now obsolete, it remains a viable option for legacy designs and applications where its specific features are still required.

NCP4686DSN18T1G Features

• Output Type: Fixed, providing a stable 1.8V output voltage.
• Input Voltage Range: Up to 3.6V, ensuring compatibility with a wide range of input sources.
• Output: Current Capable of delivering up to 400mA, suitable for driving various electronic components.
• Low Dropout Voltage: Maximum of 0.31V at 400mA, enhancing efficiency and extending battery life in portable applications.
• Enable Control: Allows for dynamic power management, enabling the regulator to be turned on or off as needed.
• Over-Current Protection: Ensures reliable operation by protecting the regulator from potential over-current conditions.
• Low Quiescent Current: 75 µA, minimizing power consumption during standby or low-load conditions.
• High PSRR: 60dB at 10kHz, providing excellent noise rejection and ensuring clean power delivery.
• Moisture Sensitivity Level: MSL 1 (Unlimited), suitable for a wide range of manufacturing environments.
• Mounting Type: Surface Mount, ideal for compact and high-density PCB designs.
• Package: Tape & Reel (TR), facilitating automated assembly processes###.

NCP4686DSN18T1G Applications

The NCP4686DSN18T1G is well-suited for a variety of applications where a reliable, low-dropout linear regulator is required. Its fixed 1.8V output and 400mA current capability make it ideal for powering microcontrollers, sensors, and other low-power electronic devices. The enable control feature allows for dynamic power management, making it suitable for applications where power consumption needs to be minimized during idle periods. The compact SOT32-5 package and surface-mount mounting type make it a perfect fit for space-constrained designs, such as portable electronics, IoT devices, and wearable technology. Additionally, its low quiescent current and high PSRR ensure efficient and clean power delivery, making it suitable for applications sensitive to power noise, such as audio and communication systems.

Conclusion of NCP4686DSN18T1G

The NCP4686DSN18T1G is a versatile and efficient linear regulator IC designed for power management applications. Its fixed 1.8V output, low dropout voltage, and enable control feature make it an excellent choice for a wide range of electronic devices, particularly those requiring reliable power delivery in compact form factors. Despite being obsolete, the NCP4686DSN18T1G remains a valuable component for legacy designs and applications where its specific attributes are still beneficial. Its low quiescent current and high PSRR ensure efficient and noise-free power delivery, making it suitable for sensitive applications. The compact SOT23-5 package and surface-mount mounting type further enhance its appeal for modern, space-constrained designs.