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    Vicor Extends 48V Cool-Power ZVS Buck Regulators Family

    Vicor has extended the Cool-Power 48V ZVS 20A Buck Regulator portfolio by releasing the PI3523-00-LGIZ (PI3523). The PI352x family offers 20A solutions complementing the previously released 10A 48VIN PI354x family, enabling scalable power options for 48V direct to point-of-load (PoL) applications.  The PI3523 is a 48VIN, 3.3VOUT nominal Buck Regulator capable of supplying up to 22A. This family of regulators enables 48VIN to 20A point-of-load voltages spanning 2.2VOUT – 14VOUT.

    Compact Size Delivering Twice the Power

    Offering all the same industry-leading features of Vicor’s existing 48V Cool-Power ZVS Buck Regulators, the PI352x portfolio extends performance by delivering twice the power of the PI354x regulators using only a 40% larger package. The PI3523 requires only an output inductor and minimal passives for a complete cost-effective design that consumes less than 740 mm2 of PCB space.  Designed to be easily paralleled in combinations of up to three regulators, the PI352x regulators can be scaled to support higher current loads.

    Announced today and existing:

    Part Number Package Input Voltage Range Nominal Output Voltage Current
    PI3523-00-LGIZ* 10×14 mm 30 – 60V 3.3V 22A
    PI3525-00-LGIZ 10×14 mm 30 – 60V 5.0V 20A
    PI3526-00-LGIZ* 10×14 mm 30 – 60V 12V 18A
    PI3542-00-LGIZ 10×10 mm 3660V 2.5V 10A
    PI3543-00-LGIZ 10×10 mm 3660V 3.3V 10A
    PI3545-00-LGIZ 10×10 mm 3660V 5.0V 10A
    PI3546-00-LGIZ 10×10 mm 3660V 12V 9A

                      Table 1: Items in green are newly released products

    The PI352x family addresses the growing need for 48V direct-to-PoL solutions in many applications including lighting, communications, automotive equipment, and data center applications. The Cool-Power ZVS Regulators are focused on high power density and high efficiency while delivering ease of use. The end result is first pass design success with best-in-class performance.

    Learn more about these products at:

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