Product # IQ36xxxHPCxx

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-005024 Rev. A

09/11/08

Page 24

Technical Specification

Input:

Output:

Current:

Part no.:

18-75 V

48 V

4.5 A

IQ36480HPC4F

IQ36480HPC4F eLeCtRICAL CHARACteRIStICS (48 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

17.5

A

VIN min; trim up; in current limit

No-LoadInputCurrent

105

130

mA

DisabledInputCurrent

2

4

mA

ResponsetoInputTransient

1.2

V

SeeFigure6

InputTerminalRippleCurrent

280

mA

RMS

RecommendedInputFuse

TBD

A

Fastactingexternalfuserecommended

OUtPUt CHARACteRIStICS

OutputVoltageSetPoint

47.52

48

48.48

V

OutputVoltageRegulation

OverLine

±0.1

±0.3

%

OverLoad

±0.1

±0.3

%

OverTemperature

-720

720

mV

TotalOutputVoltageRange

46.8

49.2

V

Oversample,line,load,temperature&life

OutputVoltageRippleandNoise1

20MHzbandwidth

Peak-to-Peak

0

200

400

mV

FullLoad

RMS

35

70

mV

FullLoad

OperatingOutputCurrentRange

0

4.5

A

Subjecttothermalderating

OutputDCCurrent-LimitInception

4.95

5.4

5.85

A

OutputVoltage10%Low

OutputDCCurrent-LimitShutdownVoltage

22

V

Back-DriveCurrentLimitwhileEnabled

0.1

A

Negativecurrentdrawnfromoutput

Back-DriveCurrentwhileDisabled

5

mA

Negativecurrentdrawnfromoutput

MaximumOutputCapacitance

100

µF

VOUTnominalatfullload(resistiveload)

OutputVoltageduringLoadCurrentTransient

StepChangeinOutputCurrent(0.1A/µs)

2400

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

56.16

58.56

60.96

V

Overfulltemperaturerange

eFFICIenCY

100%Load

91

%

SeeFigure1forefficiencycurve

50%Load

92

%

SeeFigure1forefficiencycurve

note 1:Outputisterminatedwith1µFceramiccapacitor.Forapplicationsrequiringreducedoutputvoltagerippleandnoise,consultSynQor

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