onsemi

FAN53555UC05X

FAN53555UC05X Description

The FAN53555UC05X is a highly efficient, programmable buck regulator from onsemi, designed to deliver up to 5A of output current with a switching frequency of 2.4MHz. This device is part of the TinyBuck® series, known for its compact size and high performance. The regulator operates within an input voltage range of 2.5V to 5.5V, making it suitable for a wide range of applications requiring a stable and efficient power supply. The output voltage is programmable between 0.6V and 1.23V, providing flexibility to meet specific system requirements. The FAN53555UC05X features synchronous rectification, enhancing its efficiency and thermal performance. Packaged in a surface-mount 20-WLCSP, it is ideal for space-constrained designs. Although the product is now obsolete, it remains a benchmark for its class due to its robust design and compliance with industry standards such as REACH and RoHS3.

FAN53555UC05X Features

• Programmable Output Voltage: The FAN53555UC05X offers a programmable output voltage range from 0.6V to 1.23V, providing flexibility to optimize power delivery for various electronic systems.
• High Efficiency: With a switching frequency of 2.4MHz and synchronous rectification, the regulator achieves high efficiency, minimizing power loss and heat generation.
• Wide Input Voltage Range: The device operates efficiently within an input voltage range of 2.5V to 5.5V, making it suitable for applications with varying input power sources.
• High Output Current: Capable of delivering up to 5A of output current, the FAN53555UC05X is well-suited for high-power applications requiring stable and reliable power delivery.
• Compact Packaging: The 20-WLCSP package ensures a small footprint, making it ideal for space-constrained designs without compromising performance.
• Compliance and Reliability: The FAN53555UC05X is REACH unaffected and RoHS3 compliant, ensuring environmental sustainability and reliability in various operating conditions.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the device is suitable for long-term storage and assembly processes without the risk of moisture-related damage.

FAN5355X Applications

The FAN53555UC05X is ideal for a variety of applications that demand high efficiency, compact size, and reliable power delivery. Key applications include:

• Mobile Devices: The compact size and high efficiency make it suitable for smartphones, tablets, and other portable electronics where space and power efficiency are critical.
• Wearable Technology: The low-profile package and programmable output voltage are well-suited for wearable devices that require precise power management.
• Point-of-Load (POL) Converters: The regulator's ability to deliver high current and operate within a wide input voltage range makes it ideal for POL converters in various electronic systems.
• Embedded Systems: The FAN53555UC05X is well-suited for embedded systems requiring a stable and efficient power supply, such as IoT devices and industrial control systems.

Conclusion of FAN53555UC05X

The FAN53555UC05X from onsemi is a versatile and efficient buck regulator, offering a combination of high performance and compact design. Its programmable output voltage, wide input voltage range, and high output current make it suitable for a variety of applications, particularly in mobile and wearable devices. Despite its obsolescence, the FAN53555UC05X remains a reliable choice for designers seeking a high-efficiency power solution. Its compliance with industry standards and robust performance ensure it continues to be a valuable component in modern electronic designs.