TDK iQN series manual 13/15

Page 13

Data Sheet: SuperetaTM iQN Series –Single Output Quarter Brick

Vout(+)

Sense(+)

Trim

Sense(-) Vout(-)

 

Remote Sense: Thepowermodulesfeature

 

remotesensetocompensatefortheeffect

Rup

ofoutputdistributiondrops.Theoutput

 

 

voltagesenserangedefinesthemaximum

 

voltageallowedbetweentheoutputpower

 

terminalsandoutputsenseterminals,andit

 

isfoundontheelectricaldatapageforthe

 

powermoduleofinterest.Iftheremote

 

sensefeatureisnotbeingused,the

 

Sense(+)pinshouldbeconnectedtothe

 

Vo(+)pinandtheSense()pinshouldbe

 

connectedtotheVo()pin.

Circuit to increase output voltage

 

TheoutputvoltageattheVo(+)andVo()

 

 

 

 

 

 

 

 

 

 

 

 

 

 

terminalscanbeincreasedbyeitherthe

 

 

 

 

 

 

 

remotesenseortheoutputvoltage

 

100000

 

 

 

 

 

adjustmentfeature.Themaximumvoltage

 

 

 

 

 

 

increaseallowedisthelargeroftheremote

 

 

 

 

 

 

 

 

 

 

 

 

 

 

senserangeortheoutputvoltage

Ω)

 

 

 

 

 

 

adjustmentrange;itisnotthesumofboth.

 

 

 

 

 

 

 

TrimResistance(k

10000

 

 

 

 

 

Astheoutputvoltageincreasesduetothe

 

 

 

 

 

 

 

 

 

 

 

 

useoftheremotesense,themaximumload

 

 

 

 

 

 

 

 

 

 

 

 

 

 

currentmustbedecreasedforthemoduleto

 

 

 

 

 

 

 

remainbelowitsmaximumpowerrating.

 

1000

 

 

 

 

 

 

 

 

 

 

 

 

 

EMC Considerations: TDKInnovetapower

 

 

 

 

 

 

 

modulesaredesignedforuseinawide

 

 

 

 

 

 

 

varietyofsystemsandapplications.With

 

100

 

 

 

 

 

thehelpofexternalEMIfiltersandcareful

 

0

2

4

6

8

10

layout,itispossibletomeetCISPR22class

 

 

%IncreaseinOutputVoltage,

 

Δ(%)

AorBrequirement.Forassistancewith

 

 

 

designingforEMCcompliance,please

 

 

 

 

 

 

 

 

 

 

 

 

 

 

contactTDKInnovetatechnicalsupport.

ThevalueofVrefcanbefoundinthe

 

 

Input Impedance: Thesourceimpedance

 

 

ofthepowerfeedingtheDC/DCconverter

ElectricalDatasectionofthisdatasheet.

 

 

 

 

modulewillinteractwiththeDC/DC

Themaximumpoweravailablefromthe

 

 

 

 

converter.Tominimizetheinteraction,one

powermoduleisfixed.Astheoutput

 

 

 

 

ormore68100uF/100Vinputelectrolytic

voltageistrimmedup,themaximumoutput

capacitorsshouldbepresentifthesource

currentmustbedecreasedtomaintainthe

 

 

inductanceisgreaterthan4uH.

maximumratedpowerofthemodule.Itis

 

 

 

 

 

alsodesirabletoslightlyincreasetheinput

 

Reliability:

voltagewhiletrimminguptheoutputwith

 

 

 

 

 

heavyloadcurrent.

 

 

 

 

ThepowermodulesaredesignedusingTDK

 

 

 

 

 

 

 

Astheoutputvoltageistrimmedup,the

 

 

Innoveta’sstringentdesignguidelinesfor

 

 

componentderating,productqualification,

outputovervoltageprotectionsetpointis

 

 

anddesignreviews.Earlyfailuresare

notadjusted.Trimmingtheoutputvoltage

 

 

screenedoutbybothburninandan

toohighmaycausetheoutputovervoltage

 

 

automatedfinaltest.TheMTBFis

protectioncircuittobetriggered.

 

 

 

 

 

 

calculatedtobegreaterthan2.3Mhoursat

 

 

 

 

 

 

 

©20052006TDKInnovetaInc.

 

 

 

 

(877)498

0099

iQN35V/6A/0A9DatasheetIssue1.24/8/2008

 

 

 

13/15

 

 

 

 

Image 13
Contents 48VInput,35V/6AOutput QuarterBrick Supereta iQN Series DC/DC Power ModulesPin Length Special Code Feature Set On/Off LogicPin Assignment Mechanical SpecificationCharacteristic Min Max Unit Input CharacteristicsCharacteristic Min Typ Max Unit Absolute Maximum RatingsElectrical Data 48Vin Trim Down Change Resistor OfVout Ohm Thermal Performance Thermal Measurement LocationThermal Management 10/15 11/15 Operating Information12/15 100 − 1 − 3.01 k Ω13/15 14/15 Lin Cext Vout RLoad Vin GroundPlane15/15

iQN series specifications

The TDK iQN series represents a significant advancement in the field of magnetics, showcasing TDK's commitment to innovative technology and engineering excellence. Specifically designed for a variety of applications, including industrial, automotive, and telecommunications, the iQN series embodies the latest in magnetic core design and materials science.

One of the standout features of the iQN series is its exceptional efficiency. Utilizing advanced soft magnetic materials, these components reduce energy losses, making them ideal for energy-sensitive applications. The absence of hysteresis losses ensures that the iQN series can handle high-frequency operations with minimal heat generation, thus enhancing overall system performance.

The iQN series also emphasizes versatility, catering to a wide range of inductance values and sizes. Customers benefit from the flexibility to choose the exact specifications required for their specific applications without compromising on quality. This adaptability is particularly advantageous in sectors like automotive electronics, where space and efficiency are paramount.

In terms of technology, the iQN series employs TDK’s proprietary material processing techniques, enhancing the density and performance of the magnetic cores. This technology ensures higher saturation flux density and a reduced core loss, which is critical for modern electronic devices that require high power efficiencies.

Another notable characteristic of the TDK iQN series is its superior thermal stability. The components are designed to operate effectively across a broad temperature range, making them suitable for harsh environmental conditions found in automotive and industrial applications. This resilience contributes to longer product lifespans and reduced maintenance costs for end-users.

Moreover, the iQN series is characterized by its compact design. The minimized footprint allows for easy integration into space-constrained environments, a considerable advantage for designers looking to optimize board layouts and reduce overall product dimensions.

Finally, TDK provides comprehensive support and resources for engineers working with the iQN series. This commitment to customer service, paired with extensive documentation and application notes, empowers design engineers to make well-informed decisions during the development phase.

In summary, the TDK iQN series blends efficiency, versatility, and innovative technologies to meet the demands of modern applications. With outstanding thermal stability, a compact design, and a focus on performance, it confidently stands out in the competitive landscape of magnetic components.