TDK Half Brick-iHG specifications Electrical Data

Page 6

Data Sheet: XetaiHG48070A033V, 3.3V/70A Output Half Brick Series

Electrical Data (continued):

Operatingat Tc=25˚Cunlessotherwisespecified

Characteristic

Min

Typ

Max

 

Unit

 

 

Notes & Conditions

OutputVoltageInitialSetpoint

3.25

 

3.3

3.35

Vdc

V

 

 

in=Vin,nom;Io=Io,max

 

 

 

 

 

 

 

 

 

 

 

OutputVoltageTolerance

3.2

 

 

3.4

Vdc

 

Overallr

atedinputvoltage,load,and

 

 

 

 

 

 

 

 

 

temperatureconditionstoendoflife

Efficiency

 

 

90

 

%

 

Vin=Vin,nom;Io=Io,max

 

 

 

 

 

 

 

 

 

 

 

 

 

LineRegulation

 

 

3

10*

mV

 

Vin=Vin,mintoVin,ma

 

x

 

 

 

 

 

 

 

 

 

 

 

 

LoadRegulation

 

 

1

10*

mV

 

Io=Io,mintoIo,max

 

 

 

 

 

 

 

 

 

 

 

 

 

TemperatureRegulation

 

 

20

50*

mV

 

Tc=Tc,mintoT

c,max

 

 

 

 

 

 

 

 

 

 

 

 

OutputCurrent

0

 

 

70

A

 

AtIo<20%ofIo,max,th

 

eloadtransient

 

 

 

 

 

 

 

 

 

performancemaydegradeslightly

OutputCurrentLimitingThreshold

 

 

82

 

 

A

 

 

Vo=0.9*Vo,nom,Tc<Tc,max

 

 

 

 

 

 

 

 

 

 

 

 

 

ShortCircuitCurrent

 

 

2

 

A

 

 

 

Vo=0.25V,Tc=25C(hiccupmode)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OutputRippleandNoiseVoltage

 

 

25

50*

mVpp

 

 

Vin=48VandTc=25˚C.Measuredacrossone

 

 

 

 

 

 

 

 

 

10uF, one0.47uF,one0.1uFceramic

 

 

 

5.5

 

mVrms

 

 

 

 

 

 

 

 

 

 

capacitors,andone220uFelectrolytic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

capacitor–seeinput/outputripple

 

 

 

 

 

 

 

 

 

measurementfigure;BW=20MHz

OutputVoltageAdjustmentRange

50

 

 

110

%Vo,nom

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OutputVoltageSenseRange

 

 

 

%Vo,nom

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DynamicResponse:

 

 

 

 

 

 

 

 

Vin=Vin,nom;loadstepfrom50%to75%of

RecoveryTime

 

 

200

 

 

S

 

 

Io,max,di/dt=0.1A/uS,withatleastone

 

 

 

 

 

 

 

 

 

0.1uF,one0.47uF,one10uFceramic

TransientVoltage

 

 

70

 

 

mV

 

 

capacitors,and220uFelectrolyticcapacitor

 

 

 

 

 

 

 

 

 

acrosstheoutputterminals

 

 

 

 

 

 

 

 

 

Forapplicationswithlargesteploadchanges

 

 

 

 

 

 

 

 

 

and/orhighdi/dtloadchanges,please

 

 

 

 

 

 

 

 

 

contactTDKInnovetaforsupport.

OutputVoltageOvershootduringstartup

0

 

0

0

mV

 

I

 

o=Io,max

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SwitchingFrequency

 

 

260

 

kHz

Fixed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OutputOverVoltageProtection

3.8*

4.1

4.4*

 

V

 

 

Allline,load,andtemperatureconditions

 

 

 

 

 

 

 

 

 

 

 

ExternalLoadCapacitance

230

 

 

40,000**

uF

 

Allc

 

 

hargeandprebiasstartconditions.

 

 

 

 

 

 

 

 

 

Cext,minrequiredforthe100%loaddump.

 

 

 

 

 

 

 

 

 

MinimumESR>2m

Ω

IsolationCapacitance

 

 

2000

 

pF

Allline,loa

d,andtemperatureconditions

 

 

 

 

 

 

 

 

 

 

IsolationResistance

15

 

 

 

 

MΩ

 

 

Allline,load,andtemperatureconditions

 

 

 

 

 

 

 

 

 

Vref

 

 

1.225

 

 

V

 

Requiredfortrimcalculation

 

 

 

 

 

 

 

 

 

 

 

 

 

*EngineeringEstimate

 

 

 

 

 

 

 

 

 

 

 

 

**ContactTDKInnovetaforapplicationsthatrequi

readditionalcapacitance

 

 

 

 

 

 

 

 

©2008TDKInnovetaInc.

(877)498 0099

iHGDatasheet20080515Revision1.1

6/16

 

 

 

Image 6
Contents TDK Innoveta Inc Standard Features Optional FeaturesOrdering information Product OfferingMechanical Specification Pin AssignmentInput Characteristics Absolute Maximum RatingsElectrical Data Electrical Characteristics = 34.57kΩ Ta n c e 100 Thermal Performance Thermal Management 12/16 Operating Information 100% Rdown = Δ down − 2 kΩ Safety Considerations Input/Output Ripple and Noise MeasurementsWarranty ReliabilityQuality