The PI33XX Picor Cool-Power zero-voltage switching (ZVS) buck regulator line now has 14 new additions for its point of load dc/dc regulation family. The devices are the only buck regulators in their class to offer an optional I2C extended fault telemetry capability allowing for six distinct types of fault reporting. Additional device-programmable I2 C features include output margining, enable pin and synchronization pin logic polarity, and phase delay. Device programming is performed via the Cool-Power development tool.
The members of the ZVS buck regulator family convert 8− to 36−V inputs to point of load system rails such as 3.3, 2.5, 1.8 and 1-V. All products in the PI33XX series are provided with control circuitry, power semiconductors and support components in a 10 x14 x 2.56−mm LGA system in package (SiP). The power delivery can be further increased by interleaving multiple regulators using single wire current sharing without the need for any additional components. The devices require only an external inductor and minimal ceramic capacitors for input and output filtering to form a complete high performance regulator. No frequency compensation, parametric settings or incremental external components are required. ($15.41 ea/1,000 — available now.)
By Paul O’Shea
Vicor , Andover , MA
Sales 800-735-6200
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