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International Rectifier introduces power stage solutions for multi-phase converters

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article image International Rectifier’s iP2005A

International Rectifier  has introduced the iP2005A, an optimised power stage solution for high current synchronous buck multi-phase converters used in gaming, computing and communications applications.

The iP2005A is 40% smaller in size compared to the previous generation device while its efficient operation up to 1.5MHz allows designers to further reduce board space by minimising the value of output capacitors and inductors.

The iP2005A is optimised for very low EMI, eliminating the need for external snubber circuits in EMI-sensitive designs such as consumer game consoles.

By eliminating external snubbers, the iP2005A reduces per phase power loss by up to 2.3W compared to the previous generation device that required an external resistor and capacitor snubber with values of 2.2 Ohms and 10nF respectively.

With its 40% smaller size, the iP2005A is a mini system power block that provides high performance, and with its high level of integration, the device significantly saves space and simplifies design,” said Tim McDonald, vice president of IR’s iPOWIR product line.

Available in a 7.7mm x 7.7mm x 1.7mm LGA package, each iP2005A building block is capable of delivering up to 40 amps at 0.8V to 5.5V output.

By using these building blocks in a multi-phase system, currents up to 160 amps can be achieved with an industry standard four-phase controller.

In addition to an external PWM controller, only input and output capacitors and an output inductor at each phase are required.

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