FAN4860UMP5X

Voltage - Output (Min/Fixed):	5V
Base Part Number:	FAN4860
Supplier Device Package:	6-UMLP (2x2)
Package / Case:	6-UDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	3MHz
Current - Output:	930mA (Switch)
Voltage - Output (Max):	--
Series:	TinyBoost®
Voltage - Input (Max):	4.5V
Voltage - Input (Min):	2.3V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Boost
Output Configuration:	Positive
Function:	Step-Up
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The FAN4860UMP5X is an all-in-one DC-DC switching regulator package that includes a switching FET, inductor, diode, and two capacitors. It is a complete, cost-effective solution for your power supply needs. This product is designed to meet the requirements of a wide range of applications requiring accurate and efficient power management.

Application Field

The FAN4860UMP5X is ideal for any application requiring a robust, efficient and cost-effective DC-DC switching regulator. The small size and excellent performance of this product make it the perfect choice for a variety of applications such as PC motherboards, laptops, telecom equipment, and other consumer electronics.The FAN4860UMP5X is also suitable for industrial applications that require high reliability and performance. It can be used in energy-saving inverters, multiple-outputs for PLCs, power supply for display and backup systems and more.The FAN4860UMP5X offers excellent load transient response and line regulation, with up to 96% efficiency. It also provides overvoltage, undervoltage, and overcurrent protection.

Working Principle

The FAN4860UMP5X is a self-contained DC-DC switching regulator. It operates using a fly-back topology, which allows it to generate a constant output voltage under varying load conditions.The FAN4860UMP5X includes an internal switching FET and an internal diode. The switching FET is turned on and off by the PWM signal from the controller to control the output voltage. As the switching FET turns on, current will flow into the primary winding of the inductor, charging up the output capacitor. The stored energy in the capacitance is then released to the output as the FET turns off, providing a steady DC output voltage. This cycle is repeated continuously to maintain the output voltage.The PWM signal output from the controller is adjustable, so the output voltage can be set to the desired level. The FAN4860UMP5X also features overvoltage and undervoltage protection on the input voltage, to ensure the circuit can still operate at unpredictable input voltage levels.

Conclusion

The FAN4860UMP5X is an all-in-one DC-DC switching regulator package that offers excellent load transient response and line regulation, with up to 96% efficiency. It is small, efficient, and cost-effective, making it an ideal solution for a variety of applications. The FAN4860UMP5X operates using a fly-back topology and can be adjusted to provide a steady output voltage. It also offers overvoltage and undervoltage protection. All in all, the FAN4860UMP5X is a versatile, efficient and reliable solution for your power supply needs.

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