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IR Introduces iP1837 and iP1827 iPowIR Regulators
International Rectifier (IR) has launched the iP1837 and iP1827 iPower IR regulators, designed for point-of-load (POL) applications that demand high current. These solutions are ideal for use in servers, network infrastructure, data storage systems, and telecommunications equipment. The new regulators integrate essential components such as control MOSFETs, synchronous FETs, bootstrap diodes, capacitors, and internal overcurrent protection into a compact 7.7 mm × 7.7 mm LGA package. This integration not only reduces the number of external components but also cuts board space by up to 20% compared to traditional designs.
The iP1837 and iP1827 offer true precision-adjustable differential voltage sensing, along with ±0.5% accurate reference overtemperature protection. Their precise dead time adjustment ensures maximum efficiency, while Body Braking enhances transient response performance. These devices are pin-compatible for 25A and 35A applications, supporting a wide input voltage range from 1.5V to 16V. They also allow programmable switching frequencies up to 1.5 MHz, with flexible bias options such as 5V or 3.3V. Optimized for 12V input and low output voltages, they deliver exceptional performance in demanding environments.
Pan Dawei, Vice President of Sales for IR Asia Pacific, stated, “The iP1837 and iP1827 provide a highly scalable, integrated point-of-load solution capable of handling up to 35A. These regulators deliver optimal efficiency across the entire load range, ensuring high performance and reliability. Their thermal management makes them ideal for applications requiring compact, energy-efficient, and flexible high-current solutions—such as servers, storage devices, and network communication systems.â€
In addition to their core performance features, the iP1837 and iP1827 include comprehensive protection mechanisms. Enhanced temperature-compensated internal overcurrent protection helps prevent overheating due to excessive current. Other key features include pre-bias startup, overvoltage protection, thermal shutdown, voltage monitoring on enable pins, power good output, and programmable soft start. These functions ensure robust operation in a variety of real-world conditions.