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Amplifiers/Converters??

IR releases power blocks in BGA packages

Posted: 12 Feb 2004 ?? ?Print Version ?Bookmark and Share

Keywords:ip1201? ip1202? international rectifier? ir? power block?

The iP1201 and iP1202 from International Rectifier (IR) are touted by the company as the industry's first dual output, two-phase dc-dc power blocks in single, easy-to-use BGA packages.

Targeting synchronous buck applications, the products provide computer and telecom designers a single device to supply two independent voltage rails, simplifying power supply design and reducing board space up to 59 percent compared to equivalent circuits made with discrete components. The power blocks also have no derating requirements up to 90C circuit board and device case temperature, unlike other module solutions that require de-rating as much as 50 percent in similar environments.

Featuring built-in, full-function PWM control and protection circuits with optimized power semiconductors and passive components, the devices achieve high power density. Only an output inductor, input and output capacitors per channel and a few external components are required to build a complete dual output synchronous buck power supply.

Both the iP1201 and iP1202 are extremely flexible, allowing a wide input and output voltage range. The iP1201 covers input bus voltages from 3V to 5.5V, while the iP1202 covers from 5.5V to 13.2V, with outputs as low as 0.8V and as high as 5V at full current.

Priced at $10.05 each in 1,000-unit quantities, the power blocks provide overvoltage and overtemperature protection, while independent soft start for each output enables various power sequencing and tracking options.





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