onsemi

NCP4683HMU185TCG

NCP4683HMU185TCG Description

The NCP4683HMU185TCG is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 1.85V and a maximum output current of 300mA. This regulator is part of the Linear & Switching Voltage Regulators category and is housed in a 4UDFN package, suitable for surface mount applications. Despite being marked as obsolete, it remains a reliable choice for specific applications due to its robust design and performance characteristics.

NCP4683HMU185TCG Features

• Output Type: Fixed, ensuring a stable 1.85V output voltage.
• Input Voltage Range: Capable of handling a maximum input voltage of 5.25V, providing flexibility in power supply design.
• Output Current: Delivers a consistent 300mA, suitable for low to medium current applications.
• Number of Regulators: Single regulator design simplifies circuit complexity.
• Output Configuration: Positive output configuration, ideal for standard power supply requirements.
• Voltage Dropout: A maximum dropout voltage of 0.39V at 300mA ensures efficient operation even at low input voltages.
• Quiescent Current: Low quiescent current of 75 µA minimizes power consumption in standby mode.
• Power Supply Rejection Ratio (PSRR): 65dB at 1kHz, providing excellent noise rejection and stable output.
• Control Features: Includes an enable feature, allowing for dynamic control of the regulator's operation.
• Protection Features: Over-current protection safeguards against excessive load currents, enhancing reliability.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited) ensures the component is suitable for various environmental conditions without moisture-related issues.
• Package: Tape & Reel (TR) packaging facilitates easy handling and integration in automated assembly processes.

NCP4683HMU185TCG Applications

The NCP4683HMU185TCG is well-suited for a variety of applications where a stable and efficient power supply is required. Its fixed 1.85V output and 300mA current capability make it ideal for:

• Embedded Systems: Providing a stable power source for microcontrollers, sensors, and other low-power components.
• Consumer Electronics: Suitable for portable devices where low power consumption and small form factor are critical.
• Industrial Applications: Reliable power supply for control systems, instrumentation, and other industrial equipment.
• Telecommunications: Powering low-voltage circuits in communication devices and infrastructure.

Conclusion N ofCP4683HMU185TCG

The NCP4683HMU185TCG, despite its obsolete status, remains a valuable component in the onsemi portfolio. Its fixed 1.85V output and 300mA current capability, combined with low dropout voltage and high PSRR, make it a reliable choice for applications requiring stable and efficient power regulation. The inclusion of enable control and over-current protection further enhances its versatility and robustness. While newer alternatives may offer additional features, the NCP4683HMU185TCG continues to serve well in legacy designs and specific use cases where its attributes are well-suited.