Delta Electronics ND Series manual Option

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Delphi ND Series Non-Isolated Point of Load DC/DC Power Modules: 12Vin, 0.9V~3.63Vout, 50Aout

The Delphi ND Series, 12V input, single output, non-isolated point of load (POL) DC/DC converters are the latest offering from a world leader in power systems technology and manufacturing — Delta Electronics, Inc. The ND/NE product family is the second generation, non-isolated point-of-load DC/DC power modules for the DataCom / Networking / IT Applications and it will help to cut the module size by 35% to 50% compared to the first generation NC series POL modules. The ND/NE product family provides 6A to 60A of output current in a vertically or horizontally mounted through-hole package and the output can be resistor trimmed from 0.9Vdc to 3.63Vdc. It provides a very cost effective, high efficiency, and high density point of load solution. With creative design technology and optimization of component placement, these converters possess outstanding electrical and thermal performance, as well as extremely high reliability under highly stressful operating conditions.

FEATURES

ŠHigh efficiency:

92.5% @ 12Vin, 3.3V/50A out

ySize: 61.0x31.8x10.2mm (2.40”×1.25”×0.40”)

ŠVoltage and resistor-based trim

ŠNo minimum load required

ŠOutput voltage programmable from 0.9Vdc to 3.63Vdc via external resistors

ŠFixed frequency operation

ŠSingle-in line package (SIP)

ŠInput UVLO, output OCP, OTP, SCP

ŠRemote ON/OFF (Positive)

ŠPower good output signal (open collector)

ŠOutput voltage sense

ŠISO 9001, TL 9000, ISO 14001, QS9000, OHSAS18001 certified manufacturing facility

ŠUL/cUL 60950-1 (US & Canada), TUV (EN60950-1) - pending

OPTION

ŠNegative on/off logic

ŠCurrent sharing

APPLICATIONS

ŠDataCom

ŠDistributed power architectures

ŠServers and workstations

ŠLAN / WAN applications

ŠData processing applications

PRELIMINARY DATASHEET DS_ND12S50A_07172008

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Contents Option Parameter Technical SpecificationsConverter efficiency vs. output current 0.9V output voltage Electrical Characteristics CurvesOutput ripple & noise at 12Vin, 0.9V/50A out Electrical Characteristics Curves CONTurn on delay time at 12Vin, 0.9V/50A out Ch1 Vout Ch4 Vin DSND12S10A07172008 Safety Considerations Features DescriptionsEnable On/Off Design ConsiderationsFeatures Descriptions CON Output Capacitance Voltage Margining AdjustmentThermal Consideration Thermal Testing SetupThermal Derating Mechanical Drawing Thermal CurevesModel List Part Numbering System