FSQ0365RLX

PMIC - AC DC Converters, Offline Switchers

FSQ0365RLX is a sub-family of Fairchild’s integrated Power Management Solutions, developed for a wide range of AC-DC applications. It integrates various power supplies such as Buck converters, LDO regulators and gate drivers into a single chip and provides a compact and cost-effective solution. It is widely used in a variety of applications, including mobile phones, IoT devices and digital TVs.

Application Field of FSQ0365RLX

FSQ0365RLX can be used in multiple AC-DC applications and provides a complete power supply solution for notebooks, digital TVs, and other consumer electronic products. It supports several voltage regulation points and can provide up to 5A of output current. Its wide input range and low EMI emissions make it ideal for use in applications such as the following:

• Notebooks
• Display products
• Digital cameras
• Set-top boxes
• Bluetooth headsets

Working Principle of FSQ0365RLX

FSQ0365RLX is a multi-function power management IC that integrates Buck converters, LDO regulators and gate drivers into a single chip. The Buck converter is the main component of the chip and provides the main energy conversion function. It works by stepping down the input voltage from the AC source and converting it to a regulated DC voltage. The output voltage is regulated by a control loop that compares it to the reference voltage and adjusts the duty cycle accordingly.

The LDO regulators are used to further reduce the output voltage when required. They work by controlling the flow of current in response to the voltage difference between their input and output. They can be used to provide a clean and reliable power supply to sensitive electronic components such as microprocessors or memory chips.

The gate drivers are used to drive the MOSFETs that make up the converter. They provide a high-voltage pulse, which switches the MOSFETs on or off, thus controlling the output voltage of the converter.

FSQ0365RLX also features a wide range of other features such as overload protection, over-current protection, undervoltage lockout, and overvoltage protection, to ensure safe and reliable operation.

Conclusion

In conclusion, FSQ0365RLX is a versatile and powerful IC for various AC-DC applications. It integrates multiple power supplies into a single chip, which provides cost-efficiency and a compact solution for applications such as mobile phones, digital TVs, and IoT devices. Its wide input range and low EMI emissions make it a great choice for use in consumer electronics.