International Rectifier(IR) IR3847MTRPBF

The IR3847MTRPBF is a highly integrated, high-performance, synchronous buck regulator designed for a wide range of applications. It features adjustable output voltage, high efficiency, and fast transient response. This IC is typically used for DC-DC step-down (buck) applications, where it converts a higher input voltage to a lower output voltage effectively. Functions 1. Buck Converter Operation: Converts high-voltage DC to lower-voltage DC. 2. Adjustable Output Voltage: The output voltage can be adjusted according to the application needs. 3. PWM Control: Operates using Pulse Width Modulation for efficient power conversion. 4. Current Mode Control: Provides improved transient response and constant voltage power. 5. Protection Features: It usually includes features like over-voltage protection (OVP), under-voltage protection (UVP), over-current protection (OCP), and thermal shutdown. Applications - Desktop and Notebook Computers: Powering CPU, GPU, and other peripherals. - Telecommunications Equipment: Power supplies for base stations and routers. - Servers and Data Centers: Efficient power supply to servers. - Consumer Electronics: Power management in multimedia and gaming devices. - Industrial Applications: Powering control electronics and sensors. Alternative Parts - Texas Instruments TPS54331: A high-efficiency buck converter. - Analog Devices ADP2302: Dual-channel synchronous step-down regulator. - Infineon IR3625: Similar synchronous buck regulator with different specifications. - Maxim Integrated MAX15013: A high-efficiency DC-DC step-down converter. Embedded Modules The IR3847MTRPBF can be integrated into different power module systems including: - Power Supply Modules: Compact designs for various types of power supply applications. - Power Management ICs (PMICs): Often used as part of a larger system to manage power requirements efficiently. - Evaluation Boards: Available for testing and prototyping purposes, ensuring optimized design and implementation of the IR3847MTRPBF in various applications. Q&A 1. Q: What is the primary function of the IR3847MTRPBF? A: The primary function of the IR3847MTRPBF is to act as a synchronous buck regulator, converting higher input voltages to lower output voltages efficiently. 2. Q: What are the key protection features of the IR3847MTRPBF? A: Key protection features include over-voltage protection (OVP), under-voltage protection (UVP), over-current protection (OCP), and thermal shutdown to safeguard against potential damage. 3. Q: In which applications can the IR3847MTRPBF be used? A: The IR3847MTRPBF can be used in applications such as desktop computers, telecommunications equipment, servers, consumer electronics, and industrial equipment requiring efficient power management. 4. Q: Are there alternative parts to the IR3847MTRPBF? A: Yes, alternative parts include the Texas Instruments TPS54331, Analog Devices ADP2302, Infineon IR3625, and Maxim Integrated MAX15013, all of which are similar synchronous buck regulators. 5. Q: Where can I find evaluation boards for the IR3847MTRPBF? A: Evaluation boards for the IR3847MTRPBF can be found through electronics component suppliers or directly from the manufacturer's website, providing resources for testing and prototyping.