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V375B12M600B Datasheet(PDF) 6 Page - Vicor Corporation |
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V375B12M600B Datasheet(HTML) 6 Page - Vicor Corporation |
6 / 8 page Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715 V375A12C600B DC-DC Converter Rev. 3 Page 6 of 8 Set your site on VICOR at www.vicorpower.com CONTROL FUNCTIONS - PR PIN Parallel Operation The PR pin supports paralleling for increased power with N+1 (N+M) redundancy and phased array capability. Modules of the same input voltage, output voltage, and power level will current share if all PR pins are suitably interfaced. Compatible interface architectures include the following: DC coupled single-wire interface. All PR pins are directly connected to one another. This interface supports current sharing but is not fault tolerant. Minus In pins must be tied to the same electric potential. See Figure 9. AC coupled single-wire interface. All PR pins are connected to a single communication bus through 0.001µF (500V) capacitors. This interface supports current sharing and is fault tolerant except for the communication bus. See Figure 10. +Out +S SC –S –Out +Sense from other modules in the array Figure 12—OR’ing diodes connections. Module 2 Module 1 Module N+1 +Out +S SC –S –Out +Out +S SC –S –Out +Out +S SC –S –Out Load +S –S +S –S +S –S Figure 11—N+1 module array output connections. • The +Out and –Out power buses should be designed to minimize and balance parasitic impedance from each module output to the load. • The +Sense pins should be tied to the same point on the +Out power bus; the –Sense pins should be tied to the same point on the –Out power bus. • At the discretion of the power system designer, a subset of all modules within an array may be configured as slaves by shorting SC to –S. • OR’ing diodes may be inserted in series with the +Out pins of each module to provide module output fault tolerance. Figure 9—DC coupled single-wire interface. +In PC PR –In Module 2 (up to 12) +In PC PR –In Module 1 Ground plane +In PC PR –In Module 2 (up to 12) +In PC PR –In Module 1 Ground plane Figure 10—AC coupled single-wire interface. 0.001µF 0.001µF PIN STYLES * Designator Description Notes (None) Short solder Requires in-board, mounting L Long solder On-board mounting for 0.065" boards S Short ModuMate SurfMate or in-board socket mounting N Long ModuMate On-board socket mounting * Pin style designator follows the “B” after the output power and precedes the baseplate designator. Ex. V48B24C250BN — Long ModuMate Pins |
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