48 V Input Maxi Family

Rev 7.7

vicorpower.com

Page 9 of 11

2/2013

800 735.6200

48 V Input

Module 2

Module 1

Module N+1

+OUT

+S

SC

–S

–OUT

Load

+S

–S

+OUT

+S

SC

–S

–OUT

+OUT

+S

SC

–S

–OUT

Figure11—N+1modulearrayoutputconnections.

• The+Outand–Outpowerbusesshouldbedesignedto

minimizeandbalanceparasiticimpedancefromeach

moduleoutputtotheload.

• The+Sensepinsmustbetiedtogethertoforma

+Sensebus.ThismustbeKelvinconnectedto+Out

atasinglepoint.The–Sensepinsshouldbetied

togethertoforma–Sensebus.ThismustbeKelvin

connectedto–Outatasinglepoint.

• Atthediscretionofthepowersystemdesigner,

asubsetofallmoduleswithinanarraymaybe

configuredasslavesbyconnectingSCto–S.

• OR’ingdiodesmaybeinsertedinserieswiththe

+Outpinsofeachmoduletoprovidemodule

outputfaulttolerance.

• The+Senseand-Senseleadsshould beroutedinclose

proximitytoeachotherontheprintedcircuitboard.If

wiresareusedtoconnecttheconvertersonaPCBto

anexternalload,theSenseleadsshouldbetwisted

togethertoreducenoisepickup.

designator

description

Finish

Notes

(None)

Short

Tin/Lead

Requiresin-board,mounting

L

Long

Tin/Lead

On-boardmountingfor0.065"boards

S

ShortModuMate

Gold

SurfMateorin-boardsocketmounting

N

LongModuMate

Gold

On-boardsocketmounting

F

ShortRoHS

Gold

SelectforRoHScompliantin-boardsolder,socket,orSurfMatemounting

G

LongRoHS

Gold

SelectforRoHScomplianton-boardsolderorsocketmounting

* Pinstyledesignatorfollowsthe“B”aftertheoutputpowerandprecedesthebaseplatedesignator.

Ex.V48A12T500BN2—LongModuMatePins

PARALLEL BUS OUTPUT

PiN sTyles*