FAN7314M

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Applications:	LCD TV/Monitor
Current - Supply:	--
Voltage - Supply:	5 V ~ 25.5 V
Operating Temperature:	-25°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package:	20-SOIC
Base Part Number:	FAN7314

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Application Field and Working Principle of FAN7314M

The purpose of this article is to describe the application field and working principle of the FAN7314M Power Management Integrated Circuit (PMIC). The FAN7314M is a general-purpose PMIC that provides high-performance and comprehensive power management solutions for high-end portable power sources and related applications.

Applications

The FAN7314M is ideally suited for use in power sources and applications that require robust protection and a high-efficiency power management system. It can be used to support a variety of applications including: portable printers, smart phones, tablets, digital cameras, portable media players, industrial automation and instrumentation, medical electronics, automotive systems, computer systems and internet of things (IoT) applications.

Working Principle

The basic principle of operation of the FAN7314M is to provide a regulated output power by controlling the input supply voltage. The input supply voltage is monitored by a voltage comparator and when the voltage drops below a certain level, the output power is shut off, thus protecting the system from over-voltage conditions. In order to control the output power, the FAN7314M contains a number of power management circuits, including a DC/DC converter, a step-down converter, a linear regulator, and a current limiter. The DC/DC converter is responsible for converting the input supply voltage to the desired output voltage. The step-down converter is used to convert the input voltage to the required output voltage. The linear regulator maintains a constant output voltage and current by regulating the drain current of the transistors in the power stages. The current limiter is used to protect the system from current over-spikes due to high load currents.The FAN7314M also contains a number of protection features to protect the system from over-voltage, over-current, over-temperature and ESD (electrostatic discharge) events that can damage the power stages and system components.

Conclusion

In conclusion, the FAN7314M provides a high-performance, high-efficiency, robust power management solution for a wide range of portable power sources and related applications. It’s power management circuitry and protection features ensure consistent and reliable operation while protecting the system from damage due to external influences.

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