Product # IQ18xxxHPCxx

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-005029 Rev. B

04/13/09

Page 6

Technical Specification

Input:

Output:

Current:

Part no.:

9 - 36 V

1.8 V

60 A

IQ18018HPC60

IQ18018HPC60 electrical Characteristics (1.8 Vout)

Ta=25°C,airflowrate=300LFM,Vin=18Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40°Cto+100°Cbaseplate

temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.

Parameter

Min.

typ.

Max. Units notes & Conditions

InPUt CHARACteRIstICs

MaximumInputCurrent

19.3

A

Vinmin;trimup;incurrentlimit

No-LoadInputCurrent

190

240

mA

DisabledInputCurrent

3

4

mA

ResponsetoInputTransient

0.09

V

SeeFigure6

InputTerminalRippleCurrent

350

mA

RMS

RecommendedInputFuse

3.0

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

100

200

mV

Fullload

RMS

21

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)

100

mV

50%to75%to50%Ioutmax

SettlingTime

400

µs

Towithin1%Voutnom

OutputVoltageTrimRange

-20

10

%

AcrossPins8&4;CommonFigures3-5;seeNote2

OutputVoltageRemoteSenseRange

10

%

AcrossPins8&4

OutputOver-VoltageProtection

2.1

2.2

2.3

V

Overfulltemprange

eFFICIenCY

100%Load

82

%

SeeFigure1forefficiencycurve

50%Load

86

%

SeeFigure1forefficiencycurve

Note1:Outputisterminatedwith1µFceramicand15µFlow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand

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

Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.