IR releases XPhase IR3513 control IC

International Rectifier has brought out the XPhase IR3513 control IC for point-of-load (POL) converter designs.

The 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, enabling a power solution with any number of phases.

With this arrangement, the final solution requires only a single IC per phase to deploy one to X phases.

The new device features 0.8 to 5.1V output voltage with 0.5 per cent system set point accuracy and programmable 250kHz to 9MHz daisy-chain digital phase timing to provide a per phase switching frequency of 250kHz to 1.5MHz with no external components.

Protection features include over-voltage protection, detection and protection of open remote sense lines and open control loop protection.

When co-designed with the IR3505 and IR3507 phase ICs, the new IR3513 XPhase control IC enables a power supply that is smaller and easier to design.

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