Controller Boosts High Density For POL Converters

Oct. 8, 2008
For point-of-load (POL) converter designs, the XPhase IR3513 provides overall control of a scalable number of phases along with an internal gate driver, current sense and sharing, and PWM to provide a stand-alone single-phase regulator or interface

For point-of-load (POL) converter designs, the XPhase IR3513 provides overall control of a scalable number of phases along with an internal gate driver, current sense and sharing, and PWM to provide a stand-alone single-phase regulator or interface with additional phase ICs. With this arrangement, the final design requires a single IC per phase to deploy one to X phases. Alternative approaches require a control IC plus 1 to X driver ICs or scalable all-in-one ICs that do not employ all pins or circuitry leading to increased cost and size. The controller features a 0.8V to 5.1V output voltage with a 0.5% system-set-point accuracy and programmable 250 kHz to 9 MHz daisy-chain digital phase timing to provide a per phase switching frequency of 250 kHz to 1.5 MHz with no external components. Pricing for the IR3513MTRPbF begins at $2.25 each/10,000. INTERNATIONAL RECTIFIER, El Segundo, CA. (310) 252-7726.

Company: INTERNATIONAL RECTIFIER

Product URL: Click here for more information

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