Product # IQ24xxxHPxxx

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-0005229 Rev. A

05/26/09

Page 8

Technical Specification

Input:

Output:

Current:

Part No.:

18-36V

3.3 V

50 A

IQ24033HPx50

IQ24033HPx50 Electrical Characteristics (3.3 Vout)

Ta=25°C,airflowrate=300LFM,Vin=24Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40°Cto+100°Cbaseplate

temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.

Parameter

Min.

Typ.

Max. Units Notes & Conditions

INPUT CHARACTERISTICS

MaximumInputCurrent

13.6

A

Vinmin;trimup;incurrentlimit

No-LoadInputCurrent

135

170

mA

DisabledInputCurrent

2

4

mA

ResponsetoInputTransient

0.15

V

SeeFigure6

InputTerminalRippleCurrent

210

mA

RMS

RecommendedInputFuse

3.0

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

140

280

mV

Fullload

RMS

20

40

mV

Fullload

OperatingOutputCurrentRange

0

50

A

Subjecttothermalderating

OutputDCCurrent-LimitInception

55.0

60.0

65.0

A

Outputvoltage10%Low

OutputDCCurrent-LimitShutdownVoltage

1.7

V

Back-DriveCurrentLimitwhileEnabled

1.3

A

Negativecurrentdrawnfromoutput

Back-DriveCurrentLimitwhileDisabled

0.1

mA

Negativecurrentdrawnfromoutput

MaximumOutputCapacitance

10,000

µF

Voutnominalatfullload(resistiveload)

OutputVoltageduringLoadCurrentTransient

StepChangeinOutputCurrent(0.1A/µs)

100

mV

50%to75%to50%Ioutmax

SettlingTime

100

µs

Towithin1%Voutnom

OutputVoltageTrimRange

-20

10

%

AcrossPins8&4;CommonFigures3-5

OutputVoltageRemoteSenseRange

10

%

AcrossPins8&4

OutputOver-VoltageProtection

3.9

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)