Technical

Specification

IQ24-HPC Family

Product # IQ24xxxHPCxx

Phone 1-888-567-9596

www.synqor.com

Doc.# 005-005026 Rev. B

10/14/08

Page 3

IQ24 FAMILY eLeCtRICAL CHARACteRIStICS (all output voltages)

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

temperaturewithappropriatepowerderating.Specificationssubjecttochangewithoutnotice.

Parameter

Min.

typ.

Max. Units notes & Conditions

ABSOLUte MAXIMUM RAtInGS

Input Voltage

Non-Operating

60

V

Continuous

Operating

36

V

Continuous

OperatingTransientProtection

50

V

1 s transient, square wave

Isolation Voltage

InputtoOutput

2250

V dc

InputtoBase-Plate

2250

V dc

OutputtoBase-Plate

2250

V dc

OperatingTemperature

-40

100

°C

Baseplatetemperature

StorageTemperature

-55

125

°C

VoltageatON/OFFinputpin

-2

18

V

InPUt CHARACteRIStICS

OperatingInputVoltageRange

18

24

36

V

50V transient for 1 s

InputUnder-VoltageLockout

Turn-OnVoltageThreshold

16.6

17.0

17.4

V

Turn-OffVoltageThreshold

14.8

15.2

15.6

V

LockoutVoltageHysteresis

1.8

V

InputOver-VoltageShutdown

52

55

V

RecommendedExternalInputCapacitance

470

µF

TypicalESR0.1-0.2Ω

InputFilterComponentValues(L\C)

1.1\13.2

µH\µF Internalvalues;seeFigureE

DYnAMIC CHARACteRIStICS

Turn-OnTransient

Turn-OnTime

10

ms

Fullload,Vout=90%nom.

Start-UpInhibitTime

200

230

250

ms

SeeFigureF

OutputVoltageOvershoot

0

%

MaximumOutputCapacitance

ISOLAtIOn CHARACteRIStICS

IsolationVoltage(dielectricstrength)

SeeAbsoluteMaximumRatings

IsolationResistance

30

MΩ

IsolationCapacitance(inputtooutput)

1000

pF

SeeNote1

teMPeRAtURe LIMItS FOR POWeR DeRAtInG CURVeS

SemiconductorJunctionTemperature

125

°C

Packageratedto150°C

BoardTemperature

125

°C

ULratedmaxoperatingtemp130°C

Transformer Temperature

125

°C

MaximumBaseplateTemperature,Tb

100

°C

FeAtURe CHARACteRIStICS

SwitchingFrequency

255

275

295

kHz

Isolation stage switching freq. is half this

ON/OFFControl

Off-StateVoltage

2.4

1.8

V

On-StateVoltage

-2

0.8

ON/OFFControl

ApplicationnotesFiguresA&B

Pull-UpVoltage

5

V

Pull-UpResistance

50

kΩ

Over-TemperatureShutdownOTPTripPoint

125

°C

AveragePCBTemperature

Over-TemperatureShutdownRestartHysteresis

10

°C

ReLIABILItY CHARACteRIStICS

CalculatedMTBF(Telcordia)TR-NWT-000332

TBD

106 Hrs. 80%load,200LFM,40°CTa

CalculatedMTBF(MIL-217)MIL-HDBK-217F

TBD

106 Hrs. 80%load,200LFM,40°CTa

FieldDemonstratedMTBF

106 Hrs. Seeourwebsitefordetails

Note1:Highervaluesofisolationcapacitancecanbeaddedexternaltothemodule.