Power Supplies

48Vin Direct-to-PoL Regulators Deliver up to 22A at 3.3Vdc

Vicor today announced that it has extended its 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 to 14Vout.

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.

(click on Table to enlarge)

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.

The PI352x family addresses the growing need for 48V direct-to-PoL solutions in many applications including lighting, communications, automotive equipment, and datacenter applications. The Cool-Power ZVS Regulators are focused on high power density and high efficiency while delivering ease of use.

Vicor Corporation
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