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The IR3889MTRPBF is a high-performance, fully integrated synchronous buck converter from Infineon Technologies. Designed for space-constrained, high-current applications, this device integrates both the control IC and the power MOSFETs in a compact 5mm x 6mm IQFN package. Capable of delivering up to 30A of continuous output current over a wide input voltage range of 2V to 17V, it provides an efficient, reliable, and dense power solution for server, telecommunications, and industrial systems requiring point-of-load (POL) conversion.
Category:Integrated Circuits (ICs);Power Management (PMIC);AC DC Converters, Offline Switchers
Manufacturer:Infineon
Package:IQFN-36-EP(5x6)
Operating Temperature:-40℃~+125℃@(TJ)
Synchronous Rectifier:Yes
Frequency - Switching:600kHz~2MHz
Output Current:30A
Voltage - Supply:2V~17V
Topology:Buck
Output Type:Adjustable
Switch tube (built-in/external):Built-in
Number of Channels:1
Fully Integrated Solution: Incorporates the PWM controller, driver IC, and both high-side and low-side MOSFETs in a single package, minimizing external components and PCB footprint.
High Output Current: Capable of delivering up to 30A continuous current, suitable for powering high-performance FPGAs, ASICs, processors, and memory.
Wide Input and Output Range: Operates from 2V to 17V input, with adjustable output voltage down to 0.5V, providing flexibility for various system requirements.
Programmable Switching Frequency: Supports 600kHz to 2MHz operation via an external resistor, allowing optimization between efficiency and solution size.
Excellent Efficiency: Integrated synchronous MOSFETs and optimized gate drive deliver peak efficiency exceeding 95%, reducing power loss and thermal stress.
Comprehensive Protection Features: Includes overcurrent protection (OCP), overvoltage protection (OVP), undervoltage lockout (UVLO), and thermal shutdown for robust system reliability.
Pre- Bias Startup: Supports startup into a pre-biased output without discharging the output capacitor, ideal for FPGA and processor core supplies.
Compact 5mm x 6mm IQFN Package: Enables high-density PCB layouts in space-constrained applications.
Server and Data Center Power: Provides core voltage for CPUs, GPUs, and memory modules in servers, storage systems, and high-performance computing platforms.
Telecommunications Equipment: Powers FPGAs, ASICs, and DSPs in base stations, routers, switches, and optical network units requiring high-current, low-voltage rails.
Industrial Automation: Supplies power for industrial PCs, PLCs, motor drives, and robotic controllers where reliable, efficient power conversion is critical.
Networking Hardware: Delivers point-of-load power for network processors, switch fabrics, and interface ICs in high-end routing and switching equipment.
FPGA and ASIC Power: Provides dedicated core and I/O voltages for Xilinx, Intel (Altera), and other high-performance FPGAs and custom ASICs.
Storage Systems: Powers SSD controllers, RAID cards, and NVMe drives requiring high-current, low-noise power supplies.
The IR3889MTRPBF from Infineon is a high-performance, fully integrated synchronous buck converter that combines 30A output capability, wide 2V-17V input range, and programmable switching frequency in a compact 5mm x 6mm IQFN package. Its high efficiency, comprehensive protection features, and small footprint make it an ideal choice for point-of-load power conversion in servers, telecommunications equipment, industrial systems, and FPGA-based designs requiring reliable, high-current power delivery in space-constrained environments.
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