Product # IQ36xxxHPCxx

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-005024 Rev. A

09/11/08

Page 20

Technical Specification

Input:

Output:

Current:

Part no.:

18-75 V

28 V

7.5 A

IQ36280HPC7F

IQ36280HPC7F eLeCtRICAL CHARACteRIStICS (28 VOUt)

TA=25°C,airflowrate=300LFM,VIN=36Vdcunlessotherwisenoted;fulloperatingtemperaturerangeis-40°Cto+100°Cambient

temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.

Parameter

Min.

typ.

Max.

Units

notes & Conditions

InPUt CHARACteRIStICS

MaximumInputCurrent

17.0

A

VIN min; trim up; in current limit

No-LoadInputCurrent

100

130

mA

DisabledInputCurrent

2

4

mA

ResponsetoInputTransient

1

V

SeeFigure6

InputTerminalRippleCurrent

300

mA

RMS

RecommendedInputFuse

TBD

A

Fastactingexternalfuserecommended

OUtPUt CHARACteRIStICS

OutputVoltageSetPoint

27.72

28

28.28

V

OutputVoltageRegulation

OverLine

±0.1

±0.3

%

OverLoad

±0.1

±0.3

%

OverTemperature

-420

420

mV

TotalOutputVoltageRange

27.3

28.7

V

Oversample,line,load,temperature&life

OutputVoltageRippleandNoise1

20MHzbandwidth

Peak-to-Peak

0

190

380

mV

FullLoad

RMS

33

70

mV

FullLoad

OperatingOutputCurrentRange

0

7.5

A

Subjecttothermalderating

OutputDCCurrent-LimitInception

8.25

9

9.75

A

OutputVoltage10%Low

OutputDCCurrent-LimitShutdownVoltage

13

V

Back-DriveCurrentLimitwhileEnabled

0.16

A

Negativecurrentdrawnfromoutput

Back-DriveCurrentwhileDisabled

3

mA

Negativecurrentdrawnfromoutput

MaximumOutputCapacitance

250

µF

VOUTnominalatfullload(resistiveload)

OutputVoltageduringLoadCurrentTransient

StepChangeinOutputCurrent(0.1A/µs)

2250

mV

50%to75%to50%IOUT max

SettlingTime

100

µs

Towithin1%VOUT nom

OutputVoltageTrimRange

-20

10

%

AcrossPins8&4;CommonFigure3-5

OutputVoltageRemoteSenseRange

10

%

Across Pins 8 & 4

OutputOver-VoltageProtection

32.76

34.16

35.56

V

Overfulltemperaturerange

eFFICIenCY

100%Load

91

%

SeeFigure1forefficiencycurve

50%Load

92

%

SeeFigure1forefficiencycurve

note 1:Outputisterminatedwith1µFceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor

applicationssupport(e-mail:support@synqor.com)