FX003

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The FX003 switching controller is a DC-DC controller designed, manufactured, and distributed by PMIC. It operates with a wide range of power supply systems, providing a current and voltage regulating function as well as a protection function. In this article, we look at the application field, working principle and features of the FX003.

Application Field

The FX003 is designed to deliver secure and efficient power supply systems to a wide range of applications. It is used in a variety of devices, ranging from industrial IoT, consumer electronics and telecommunications to automotive, medical and other specialist sectors. The FX003 offers high-accuracy control for free-running, PWM and voltage-mode loads, and can be used with systems up to 0.6V and 200A.

Working Principle

The FX003 operates by detecting the difference between the output voltage and the reference voltage. When the output voltage is lower than the reference voltage, the power switch turns on and a current flows from the input to the output. When the output voltage is higher than the reference voltage, the power switch turns off and the current flow is reversed. The FX003 is capable of fast response and high accuracy voltage regulation, making it suitable for numerous applications.

Features

The FX003 offers several key features designed to improve the performance of power supply systems. These include:

• On-chip voltage reference and temperature sensor
• High accuracy voltage regulation
• Programmable switching frequency
• Low quiescent current consumption
• Independent input and output voltage monitoring
• Soft start and switch de-rating

The FX003 is a robust and reliable switching controller, designed for a wide range of applications. It boasts a wide operating temperature range, long-term stability and excellent thermal performance, making it a highly-suitable choice for many power supply systems.

Conclusion

The FX003 is a highly efficient DC-DC controller designed and manufactured by PMIC. It offers high accuracy control and can be used in a variety of applications, from industrial IoT to automotive and specialist sectors. It features on-chip voltage reference and temperature sensor, programmable switching frequency and independent input and output voltage monitoring. All of these features, combined with its robust and reliable construction and long-term stability, make the FX003 an excellent choice for power supply systems.

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