IR3447MTRPBF

Voltage - Input (Max):	21V
Supplier Device Package:	PQFN (5x6)
Package / Case:	33-PowerVQFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	300kHz ~ 1.5MHz
Current - Output:	25A
Voltage - Output (Max):	18.06V
Voltage - Output (Min/Fixed):	0.6V
Series:	SupIRBuck®
Voltage - Input (Min):	5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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IR3447MTRPBF DC DC Switching Regulator Application Field and Working Principle

IR3447MTRPBF is a configurable DC/DC switching regulator that combines a high performance integrated power module (IPM) and a programmable digital control circuit with a wide range of input and output voltages. As a DC DC switching regulator, IR3447MTRPBF is suitable for applications where wide input voltage ranges, higher isolation voltage and low power losses are desired. The IR3447MTRPBF has the advantage of high efficiency, minimum device switching time and a high peak current that make it suitable for powering high power LEDs, motor drives and other low-power portable devices.

Application Fields

IR3447MTRPBF is most commonly used in power distribution networks and industrial control systems. It is an ideal choice for applications that require adjustable input and output voltage/current levels, wide range of protection functions, and high reliability. It is also used for power supplies for computers, embedded systems, industrial automation, automotive, and server systems.

Working Principle

IR3447MTRPBF contains two major components: an integrated power module (IPM) and a programmable digital control circuit. The IPM is designed to control the input and output voltage. It contains a combination of MOSFETs, resistors, and diodes which are used to regulate the input and output voltage. The power module can be programmed to provide a desired voltage input and output depending on the application.The programmable digital control circuit is responsible for providing adjustable input and output levels and protection functions. It contains as many as 16 microprocessors, enabling multiple levels of control. The system contains functions such as overcurrent protection, undervoltage protection, overvoltage protection, and overtemperature protection. Moreover, the system can be programmed to provide a wide range of output power and performance levels.The DC/DC switching regulator is designed to switch between two voltage levels, commonly referred to as "mode switching". This feature allows power to be supplied in a more efficient manner, as the device senses when to switch between the two voltages, which results in a higher efficiency and lower power losses.

Conclusion

IR3447MTRPBF DC DC switching regulator is a versatile and power efficient solution to power distribution networks and industrial control systems. It is suitable for applications requiring adjustable input and output voltage/current levels, wide range of protection functions, and high reliability. It is an ideal solution for powering high power LED\'s, motor drives and other low power portable devices.

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