IR3883MTRPBF Integrated Circuits (ICs)

Voltage - Input (Max):	14V
Supplier Device Package:	16-PQFN (3x3)
Package / Case:	16-PowerVQFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Synchronous Rectifier:	Yes
Frequency - Switching:	800kHz
Current - Output:	3A
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	0.5V
Series:	SupIRBuck®
Voltage - Input (Min):	2.5V
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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TechnologyThe IR3883MTRPBF is a high-performance integrated circuit for DC-DC switching regulators and is part of the current suite of voltage regulators from International Rectifier (IR). The IR3883MTRPBF is designed to provide up to 35V of output voltage at a maximum of 10A of continuous output current and up to 28A of peak output current. The IR3883MTRPBF features a very low quiescent current of 8µA for improved efficiency and power savings.The IR3883MTRPBF is designed for direct mounting on to the printed circuit board and operates from a single DC input source range from 3.00V to 25.0V. The IR3883MTRPBF is a single-stage, fixed-frequency pulse-width modulation (PWM) controller that operates as a current mode PWM controller and provides excellent line and load regulation. This makes it perfect for a wide range of applications that require very good transient response and noise immunity.The IR3883MTRPBF is ideal for low power DC-DC switching regulators, adapters, and converters. It is suitable for devices that require a regulated output over a wide range of input voltages, such as barebone systems, PDAs, handhelds, and most laptops.The IR3883MTRPBF features a very low power loss and low noise operation, making it ideal for many low noise and low power applications. It also features an excellent output voltage surge rating of 47V with a maximum surge current rating of 10A. The IR3883MTRPBF also features a wide regulation range from -0.5% to +10% in order to provide high accuracy under varying load and line conditions.The IR3883MTRPBF features a fixed frequency transition mode PWM controller that is freewheeling for low to moderate intensity continuous load demands. The IR3883MTRPBF provides several protection features and other design enhancements to ensure reliability and to prevent failures. These include over temperature protection, under voltage lockout, over current protection, and high peak current limit protection.The IR3883MTRPBF works by converting a DC input voltage to a DC output voltage that is needed by the load. The input and output terminal block of the IC are used to provide the needed voltage and current to the load, while the internal circuits of the controller take care of voltage and current conversion, as well as the necessary protection functions. The IR3883MTRPBF also contains a wide range of internal components such as voltage reference, hysteresis loop, duty cycle control, and temperature sensor, to perform its various functions efficiently.The IR3883MTRPBF is designed to provide high efficiency, low power loss, and excellent line and load regulation performance. In addition, it is designed to work with a wide range of components, making it suitable for many different applications. Furthermore, its low power consumption and low noise operation make it suitable for many low power applications. Finally, its wide range of protection circuits ensure reliability and prolonged lifespan.

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