Product # IQ90xxxHPCxx

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-0005060 Rev. B

01/29/09

Page 8

Technical Specification

Input:

Output:

Current:

Part no.:

34 - 160 V

3.3 V

53 A

IQ90033HPC53

IQ90033HPC53 electrical Characteristics (3.3 Vout)

Ta=25°C,airflowrate=300LFM,Vin=90Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40°Cto+100°Cbaseplate

temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.

Parameter

Min.

typ.

Max. Units notes & Conditions

InPUt CHARACteRIStICS

MaximumInputCurrent

7.7

A

Vinmin;trimup;incurrentlimit

No-LoadInputCurrent

50

60

mA

DisabledInputCurrent

2.5

4

mA

ResponsetoInputTransient

0.11

V

SeeFigure6

InputTerminalRippleCurrent

350

mA

RMS

RecommendedInputFuse

10

A

Fastactingexternalfuserecommended

OUtPUt CHARACteRIStICS

OutputVoltageSetPoint

3.267

3.3

3.333

V

OutputVoltageRegulation

OverLine

±0.1

±0.3

%

OverLoad

±0.1

±0.3

%

OverTemperature

-50

50

mV

TotalOutputVoltageRange

3.218

3.383

V

Oversample,line,load,temperature&life

OutputVoltageRippleandNoise

20MHzbandwidth;seeNote1

Peak-to-Peak

0

170

340

mV

Fullload

RMS

22

40

mV

Fullload

OperatingOutputCurrentRange

0

53

A

Subjecttothermalderating

OutputDCCurrent-LimitInception

58.3

63.6

68.9

A

Outputvoltage10%Low

OutputDCCurrent-LimitShutdownVoltage

1.7

V

Back-DriveCurrentLimitwhileEnabled

1.4

A

Negativecurrentdrawnfromoutput

Back-DriveCurrentLimitwhileDisabled

0.1

mA

Negativecurrentdrawnfromoutput

MaximumOutputCapacitance

10,000

µF

Voutnominalatfullload(resistiveload)

OutputVoltageduringLoadCurrentTransient

StepChangeinOutputCurrent(0.1A/µs)

80

mV

50%to75%to50%Ioutmax

SettlingTime

500

µs

Towithin1%Voutnom

OutputVoltageTrimRange

-20

10

%

AcrossPins8&4;CommonFigures3-5;seeNote2

OutputVoltageRemoteSenseRange

10

%

AcrossPins8&4

OutputOver-VoltageProtection

3.8

4.0

4.2

V

Overfulltemprange

eFFICIenCY

100%Load

89

%

SeeFigure1forefficiencycurve

50%Load

91

%

SeeFigure1forefficiencycurve

Note1:Outputisterminatedwith1µFceramicand15µFlow-ESRtantalumcapacitors.Forapplicationsrequiringreducedoutputvoltagerippleand

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

Note2:Trim-uprangeislimitedbelow10%atlowlineandfullload.