onsemi

FAN2519S27X

FAN2519S27X Description

The FAN2519S27X is a linear regulator designed for applications requiring a fixed output voltage and low power consumption. Manufactured by onsemi, this device is part of the Power Management Integrated Circuits (PMIC) category. It features a fixed output voltage of 2.7V and a maximum input voltage of 6.5V, making it suitable for a variety of low-voltage applications. The regulator is capable of delivering a continuous output current of 50mA, ensuring stable power supply to connected devices.

The FAN2519S27X is housed in a compact SOT23-5 package, which is ideal for surface mount applications. This package type not only saves space on the PCB but also enhances thermal performance. The regulator has a low dropout voltage of 0.075V at 50mA, which is a significant advantage in applications where the input voltage is close to the output voltage. This feature ensures that the regulator remains efficient and maintains a high level of performance even under low voltage conditions.

FAN2519S27X Features

• Output Type: Fixed output voltage of 2.7V.
• Input Voltage Range: Up to 6.5V, providing flexibility in power source selection.
• Output Current: Capable of delivering 50mA, sufficient for low-power devices.
• Low Dropout Voltage: 0.075V at 50mA, ensuring high efficiency in low voltage applications.
• Quiescent Current: Low quiescent current of 50 µA, which minimizes power consumption during standby.
• Power Supply Rejection Ratio (PSRR): 43dB at 120Hz, providing excellent noise rejection and stable output voltage.
• Control Features: Includes an enable function, allowing for dynamic control of the regulator's operation.
• Protection Features: Over-temperature protection ensures reliability and longevity of the device.
• Moisture Sensitivity Level (MSL): MSL 1 (Unlimited), making it suitable for a wide range of manufacturing environments.
• Package Type: SOT23-5, ideal for surface mount applications and space-constrained designs.
• Product Status: Obsolete, but still available for applications where its unique features are required.

FAN2519S27X Applications

The FAN2519S27X is well-suited for a variety of applications that require a stable and efficient power supply with low power consumption. Some specific use cases include:

• Battery-Powered Devices: The low dropout voltage and low quiescent current make it ideal for applications where battery life is critical.
• Portable Electronics: The compact SOT23-5 package and surface mount compatibility make it suitable for small form factor devices.
• Communication Equipment: The high PSRR and stable output voltage ensure reliable operation in sensitive communication systems.
• Medical Devices: The over-temperature protection and reliability features make it suitable for medical equipment where safety and performance are paramount.

Conclusion of FAN2519S27X

The FAN2519S27X is a versatile linear regulator that offers a combination of high efficiency, low power consumption, and compact size. Its low dropout voltage and low quiescent current make it particularly suitable for low-power and battery-operated applications. The inclusion of an enable function and over-temperature protection further enhances its reliability and flexibility. While the product is now obsolete, it remains a valuable option for applications where its unique features are still required. For designers looking for a reliable and efficient power management solution, the FAN2519S27X is a strong contender.