IR3801MTRPBF Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	0.6V
Base Part Number:	IR3801MPBF
Supplier Device Package:	PQFN (5x6)
Package / Case:	15-PowerVQFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	600kHz
Current - Output:	7A
Voltage - Output (Max):	12V
Series:	SupIRBuck®
Voltage - Input (Max):	21V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The IR3801MTRPBF is an integrated DC-DC Buck Switch regulator, designed to provide a higher level of protection and power efficiency for various applications. It features a wide array of useful features and functions, which makes it ideal for a variety of power management applications.

Application Field and Working Principle

The IR3801MTRPBF can be applied in a variety of fields, such as telecom, industrial, automotive and consumer applications.With its synchronous rectification topology and PWM control, the IR3801MTRPBF can provide an output voltage range of 0.6V to 4.5V and an output current of up to 8A. It comes with soft-start, over temperature protection, short circuit and overcurrent protection, as well as programmable output under-voltage lockout, enabling the regulator to meet the demands of most applications.The IR3801MTRPBF also features a low quiescent current of just 3uA in shutdown mode and a minimum operating voltage of 2.5V. These features give it both excellent efficiency and low power consumption, making it ideal for energy conscious applications.The IR3801MTRPBF can be used for a variety of applications, such as for supplying a 1.XV supply for DDR, GDDR, USB 3.0, 2.5V, 1.8V and 1.3V supplies for FPGAs, DSPs and microcontrollers, as well as for supplying 3.3V or 5V for Power Over Ethernet (PoE).

Conclusion

The IR3801MTRPBF is an integrated DC-DC Buck Switch regulator designed to provide a high level of protection and power efficiency. With its wide array of features, it is ideal for a wide range of applications. Its low quiescent current, excellent efficiency and programmable output under-voltage lockout make it a great choice for energy conscious applications.

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