The IR3621M and IR3621F are voltage-mode, dual-output, bi-phase synchronous buck controller-driver ICs. They are intended for use in high-performance, point-of-load buck converters used in networking, computing and communications systems. The devices include a full suite of power management features, including pre-bias protection, sequencing capability, hiccup current limit protection and tight voltage reference accuracy. The IR3621F is housed in a 28-lead TSSOP package and provides ±1.35% output voltage accuracy, while the IR3621M is housed in a 32-pin 5mm x 5mm MLPQ package for improved thermal performance and provides ±1% output voltage accuracy. Both devices are well suited for non-isolated 0.8V to 3.3V output dc/dc POL converters with either dual output rails up to 15A each, or single output rails up to 30A. Available immediately, pricing is $1.45 each/ 10,000 for the IR3621F or IR3621FTR and $1.50 each for the IR3621M and IR3621MTR. A design kit featuring the IR3621M is also available. For more information, contact Wayne Yoshida at INTERNATIONAL RECTIFIER, El Segundo, CA. (310) 252-7726.
Company: INTERNATIONAL RECTIFIER
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