onsemi

NCP4688DSN25T1G

NCP4688DSN25T1G Description

The NCP4688DSN25T1G is a linear voltage regulator designed by onsemi, offering a fixed output voltage of 2.5V with a maximum input voltage of 5.25V. This regulator is capable of delivering a continuous output current of 150mA, making it suitable for a variety of low-power applications. The device features a low dropout voltage of 0.31V at 150mA, ensuring efficient operation even when the input voltage is close to the output voltage. The regulator is housed in a compact SOT23-5 package, ideal for surface mount applications where space is a constraint.

NCP4688DSN25T1G Features

• Output Type: Fixed at 2.5V, providing a stable and reliable power supply for sensitive electronic components.
• Input Voltage Range: Up to 5.25V, offering flexibility in power source selection.
• Output Current: Capable of delivering 150mA, sufficient for driving small motors, sensors, and microcontrollers.
• Low Dropout Voltage: 0.31V at 150mA, enhancing efficiency and reducing power loss.
• Quiescent Current: Low at 100 µA, minimizing power consumption in standby mode.
• Power Supply Rejection Ratio (PSRR): Ranging from 80dB to 65dB across frequencies from 1kHz to 100kHz, ensuring high performance in noisy environments.
• Control Features: Includes an enable function, allowing for precise control over the regulator's operation.
• Protection Features: Overcurrent protection safeguards the device and connected components from damage due to excessive current.
• Moisture Sensitivity Level (MSL): Level 1 (Unlimited), making it suitable for a wide range of manufacturing processes.
• Packaging: Tape & Reel (TR), facilitating easy handling and integration into automated assembly lines.

NCP4688DSN25T1G Applications

The NCP4688DSN25T1G is well-suited for applications requiring a stable and efficient power supply in a compact form factor. Its low dropout voltage and high PSRR make it ideal for battery-powered devices, portable electronics, and IoT sensors where power efficiency and noise immunity are critical. The enable function allows for dynamic power management, making it suitable for applications where power consumption needs to be minimized during idle periods. Additionally, its overcurrent protection feature ensures robustness in environments where load conditions may vary.

Conclusion of NCP4688DSN25T1G

The NCP4688DSN25T1G is a versatile linear voltage regulator that offers a balance of performance, efficiency, and reliability. Its fixed 2.5V output and low dropout voltage make it an excellent choice for low-power applications, while its compact SOT23-5 package ensures it can be easily integrated into space-constrained designs. Despite being marked as obsolete, the NCP4688DSN25T1G remains a reliable option for engineers looking for a proven solution in their designs. Its features, such as the enable function and overcurrent protection, provide additional flexibility and safety, making it a valuable component in various electronic systems.