Product # IQ48xxxHPCxx

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-005062 Rev. A

09/25/08

Page 6

Technical Specification

Input:

Output:

Current:

Part no.:

34 - 75 V

1.8 V

60 A

IQ48018HPC60

IQ48018HPC60 eLeCTRICAL CHARACTeRISTICS (1.8 Vout)

Ta=25°C,airflowrate=300LFM,Vin=48Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40°Cto+100°Cbaseplate

temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.

Parameter

Min.

Typ.

Max.

Units notes & Conditions

InPUT CHARACTeRISTICS

MaximumInputCurrent

5.0

A

Vinmin;trimup;incurrentlimit

No-LoadInputCurrent

50

60

mA

DisabledInputCurrent

1

2

mA

ResponsetoInputTransient

0.12

V

SeeFigure6

InputTerminalRippleCurrent

100

mA

RMS

RecommendedInputFuse

20

A

Fastactingexternalfuserecommended

OUTPUT CHARACTeRISTICS

OutputVoltageSetPoint

1.782

1.8

1.818

V

OutputVoltageRegulation

OverLine

±0.1

±0.3

%

OverLoad

±0.1

±0.3

%

OverTemperature

-27

27

mV

TotalOutputVoltageRange

1.755

1.845

V

Oversample,line,load,temperature&life

OutputVoltageRippleandNoise

20MHzbandwidth;seeNote1

Peak-to-Peak

0

80

160

mV

Fullload

RMS

18

40

mV

Fullload

OperatingOutputCurrentRange

0

60

A

Subjecttothermalderating

OutputDCCurrent-LimitInception

66.0

72.0

78.0

A

Outputvoltage10%Low

OutputDCCurrent-LimitShutdownVoltage

0.8

V

Back-DriveCurrentLimitwhileEnabled

0.8

A

Negativecurrentdrawnfromoutput

Back-DriveCurrentLimitwhileDisabled

0.1

mA

Negativecurrentdrawnfromoutput

MaximumOutputCapacitance

15,000

µF

Voutnominalatfullload(resistiveload)

OutputVoltageduringLoadCurrentTransient

StepChangeinOutputCurrent(0.1A/µs)

70

mV

50%to75%to50%Ioutmax

SettlingTime

700

µs

Towithin1%Voutnom

OutputVoltageTrimRange

-20

10

%

AcrossPins8&4;CommonFigures3-5

OutputVoltageRemoteSenseRange

10

%

AcrossPins8&4

OutputOver-VoltageProtection

2.1

2.2

2.3

V

Overfulltemprange

eFFICIenCY

100%Load

85

%

SeeFigure1forefficiencycurve

50%Load

89

%

SeeFigure1forefficiencycurve

Note1:Outputisterminatedwith1µFceramicand15µFlow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand

noise,consultSynQorapplicationssupport(e-mail:support@synqor.com)