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AGQ300-48S1V2 DC/DC Converter TRN Document No.: 31020734 October 29, 2009 Rev 1.4 AGQ300-48S1V2 DC/DC Converter Technical Reference Notes Industry(standard(quarter(brick:(36V~75V(input,(1.2V(single(output( Industry(standard(quarter(brick((openOframe)( 2.28”(×(1.45’’(×(0.4’’((openOframe)( 2.28”(×(1.45”(×(0.5”((with(baseplate)( Options(

  • Choice(of(positive(logic(or(negative(logic( for(CNT(function(
  • Choice(of(short(pins(or(long(pins( Description( AGQ300O48S1V2(is(a(new(openOframe(DC/DC(converter(for(optimum(efficiency(and(power(density.( AGQ300O48S1V2(is(an(industry(standard(quarter(brick,(which(makes(it(an(ideal(choice(for(small( space,(high(current(and(low(voltage(applications.(The(package(size(is(57.9mm(×(36.8mm(×(10.1mm( baseplate,(and(standard(pinout(configuration(provid es(CNT(and(trim(functions.(AGQ300O48S1V2( can(provide(1.2@60A(single(output(that(is(isolated(from(inputs.(The(module(can(achieve(ultra(high( efficiency,(for(most(applications(a(heatsink(is(not(required.( Features (
  • Industry standard quarter brick
  • Basic isolation
  • Ultra high efficiency
  • Improved thermal performance
  • High power density
  • Low output noise
  • Industry standard pinout
  • 2:1 wide input voltage of 36V~75V
  • CNT function
  • Remote sense
  • Trim function
  • Over-temperature protection
  • Output over-current protection (hiccup)
  • Output over-voltage protection (hiccup)
  • RoHS compliant

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Module Numbering

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Electrical Specifications Unless(otherwise(indicated,(specifications(apply(over(all(operating(input(voltage(and(temperature( conditions.(Standard(test(condition(on(a(single(unit(is(as(follows:( Tc((board):( 25°C( in :( ( 48V ±2%( OVin :(( ( ( ( ( Return(pin(for(+V in ( CNT:( ( Connect(to(OV in (for(negative(logic( ( ( ( ( Open(for(positive(logic( out :( ( Connect(to(load( OVout :( ( Connect(to(load((return)( +Sense:(( Connect(to(+V out ( OSense:( ( Connect(to(OV out ( Trim((Vadj):( Open( Input(Specifications( Parameter Symbol Min Typ Max Unit Operating(input(voltage( V I( 36( 48( 75( Vdc( Maximum(input(current( I=0(to(V I,max ,(I o=I o,max )( II,max ( O( O( 2.5( A( Input(reflectedOripple(current( (rated(input(and(output)( I I( O( 10( 20( mApOp( Supply(voltage(rejection((120Hz)( O( 50( 60( O( dB( CAUTION:(This(power(module(is(not(internally(fused.(An(input(line(fuse(must(always(be(used.(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Absolute(Maximum(Ratings( Stresses(in(excess(of(the(absolute(maximum(ratings(can(cause(permanent(damage(to(the(device.( These(are(absolute(stress(ratings(only.(Functional(operation(of(the(device(is(not(implied(at(these(or( any(other(conditions(in(excess(of(those(given(in(th e(operational(sections(of(the(IPS.(Exposure(to( absolute(maximum(ratings(for(extended(periods(can(adversely(affect(device(reliability.( ( Parameter Symbol Min Typ Max Unit Continuous( V I( O( O( 80( Vdc( Input(voltage( Transient((100ms)( V I,(trans ( O( O( 100( Vdc( Operating(ambient(temperature( (See( Thermal Consideration )( Ta( O40( O( 85( ºC( Operating(board(temperature( Tc( O( O( O( ºC( Storage(temperature( T STG ( O55( O( 125( ºC( Operating(humidity( O( 5( O( 95( RH%( Basic(inputOoutput(isolation( O( ( ( 2000( Vdc( Output(power( Po,max ( O( O( 72( W( Output(ripple(&(noise( (Ta:(25°C,(air(velocity:(200LFM,(V in :(48V,(Vo,nom ,( Io,nom ,10µ(tantalum((ESR≤100mΩ)/1u(ceramic( capacitor)( O( O( O( 100( mVpOp( (f<20MHz) Output(ripple(&(noise((whole(range)( O( O( ( 100( mVpOp( (f<20MHz)

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Output(Specifications( Parameter Symbol Min Typ Max Unit External(load(capacitance( O( 470( O( 30000( µF( Output(voltage(setpoint((V I=V I,min (to(V I,max :(I o=I o,max ;( Ta=25ºC)( Vo,set ( 1.18( 1.2( 1.22( Vdc( Line( O( O( 3( 5( mV( Load( O( O( 5( 10( mV(Output(regulation( Temperature((whole(range)( O( O( O( 0.02( %Vo/ºC ( Rated(output(current( Io( 0( O( 60( A( Output(currentOlimit(inception((hiccup)( I o( 66( O( 84( A( Board （for(openOframe ）( O( 110( 120( 135( ºC(Over(temperature( protection( (autoOrecovery)( Hysteresis （for(openOframe ） ( O( 5( O( O( ºC( Efficiency((V I=V I,nom ;(I o,max ;(Ta=25 °C)( O( O( 85( O( %( Output(Specifications((Cont)( Parameter Symbol Min Typ Max Unit 25%I o,nom (step(from(50%I o,nom ,(0.1A/µs( O( O( O( 90( 400( mV( µs( 75%I o,nom (step(from(50%I o,nom ,(0.1A/µs( O( O( O( 140( mV( Dynamic(response:( I=V I,nom ;(Ta=25 °C;( additional(470µF( load(capacitor)( 10%I o,nom (to(100%I o,nom ,(0.1A/µs( O( O( O( 200( mV( TurnOon(time((I o=I o,max ;(V o(within(1%)( O( O( 10( 20( ms( Output(voltage(overshoot((I o=I o,max;(Ta=25 °C)( O( O( O( 5( %V o( Switching(frequency( O( ( 300( ( kHz(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Feature(Specifications( ( Parameter Symbol Min Typ Max Unit Logic(low( O( O0.7( O( 1.2( V( Enable(pin(voltage ( Logic(high( O( 3.5( O( 12( V( Logic(low( O( O( O( 1.0( mA( Enable(pin(current ( Logic(high( (leakage(current,(@10v) O( O( O( O( µA( Output(voltage(trim(range( O( 80( O( 110( %V o( Isolation(capacitance( O( O( ( O( PF( Isolation(resistance( O( 10( O( O( MΩ ( Calculated(MTBF( ( in :(48V,(load:(I o,nom ,(board@25ºC)( O( O( 2000000( O( Hours( Weight((openOframe)( O( O( 28( O( g(oz.)( Vibration((sine(wave)( Vibration(level:(3.5mm((2Hz(~(9Hz),(10m/s 2((9Hz(~( 200Hz),15m/s 2((200Hz(~(500Hz)( Directions(and(time:(3(axes((X,(Y,(Z),(30min(each( Sweep(velocity:(1oct/min( Shock((halfOsine(wave)( Peak(acceleration:(300m/s 2( Duration(time:(6ms( Continuous(shock(3(times(at(each(of(6(directions((±X,(±Y,(±Z)(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Characteristic Curves 100 0 10 20 30 40 50 60 Output(current((A) Efficiency((%) Vin=36V Vin=48V Vin=75V Figure(1( ( AGQ300(typical(efficiency(( ( ( ( ( ( ( ( ( ( ( ( Figure(2( ( AGQ300(transient(response(to(step(in(load ( ( ( ( Figure(3( ( AGQ300(transient(response(to(step(in(load( ( ( ( ( ( ( ( ( ( ( ( ( ( Figure(4( ( AGQ300(typical(startOup(from(power(on( ( ( (( ( ( Figure(5( ( AGQ300(typical(startOup(from(power(on(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Feature Description CNT(Function( Two(CNT(logic(options(are(available.(The(CNT( logic,( CNT( voltage( and( the( module( working( state(are(as(listed(in(the(following(table.( L H OPEN N( ON( OFF( OFF( P( OFF( ON( ON( N:(negative(logic( P:(positive(logic( L:(low(voltage,(O0.7V≤L≤1.2V( H:(high(voltage,(3.5V≤H≤12V( ON:(module(is(on( ( OFF:(module(is(off( Open:(CNT(pin(is(left(open( Note:(Normally,(VCNT(≤12V.( The(following(figure(shows(a(few(simple(CNT( circuits.( CNT OVin CNT OVin Simple(control Transistor(control CNT OVin CNT OVin Isolated(control Relay(control ( Figure(6( ( CNT(circuit( Remote(Sense( AGQ300O48S1V2( can( remotely( sense( both( lines( of( its( output( which( moves( the( effective( output(voltage(regulation(point(from(the(output( terminals(of(the(unit(to(the(point(of(connection( of( the( remote( sense( pins.( This( feature( automatically(adjusts(the(real(output(voltage(of( AGQ300O48S1V2( in( order( to( compensate( for( voltage( drops( in( distribution( and( maintain( a( regulated(voltage(at(the(point(of(load.( When( the( converter( is( supporting( loads( far( away,( or( is( used( with( undersized( cabling,( significant(voltage(drop(can(occur(at(the(load.( The( best( defense( against( such( drops( is( to( locate( the( load( close( to( the( converter( and( to( ensure(adequately(sized(cable(is(used.(When( this( is( not( possible,( the( converter( can( compensate(for(a(drop(of(up(to(10%V o,(through( use(of(the(sense(leads.( When( used,( the( +Sense( and( OSense( leads( should(be(connected(from(the(converter(to(the( point( of( load( as( shown( in( Figure( 7,( using( twisted(pair(wire,(or(parallel(pattern(to(reduce( noise(effect.(The(converter(will(then(regulate(its( output(voltage(at(the(point(where(the(leads(are( connected.( Care( should( be( taken( not( to( reverse( the( sense( leads.( If( reversed,( the( converter( will( trigger( overOvoltage( protection( (OVP).( ( When( not( used,( the( +Sense( lead( must( be( connected( with( +V o,( and( OSense( with( OVo.( Although(the(output(voltage(can(be(increased( by( both( the( remote( sense( and( the( trim,( the( maximum(increase(for(the(output(voltage(is(not( the(sum(of(both.( The(maximum(increase(is(the(larger(of(either( the(remote(sense(or(the(trim.( Note( that( at( elevated( output( voltages( the( maximum(power(rating(of(the(module(remains( the(same,(and(the(output(current(capability(will( decrease(correspondingly.( OVo +Vo Load +Sense OSense Twisted(pair OS Figure(7( ( Sense(connections(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Trim( The( +V o( output( voltage( of( AGQ300O48S1V2( can( be( trimmed( using( the( trim( pin( provided.( Applying( a( resistor( to( the( trim( pin( through( a( voltage(divider(from(the(output(will(cause(the( o( output( to( increase( by( up( to( 10%( or( decrease(by(up(to(20%.(Trimming(up(by(more( than(10%(of(the(nominal(output(may(activate( the( OVP( circuit( or( damage( the( converter.( Trimming(down(more(than(20%(can(cause(the( converter(to(regulate(improperly.(If(the(trim(pin( is(not(needed,(it(should(be(left(open.( Trim up With( an( external( resistor( connected( between( the(Trim(and(+Sense(pins,(the(output(voltage( set(point(increases((see(Figure(8).( ( +Vin CNT OVin +Vo +Sense Trim OSense OVo Radj_up RLoad Figure(8( ( Trim(up(circuit( The(following(equation(determines(the(required( externalOresistor(value(to(obtain(a(percentage( output(voltage(change(of(%.( 6 . 0 ∆+××=− kVR nom up adj Note:( =((Vo△ OVnom)( %(100/Vnom( Trim down With(an(external(resistor(between(the(Trim(and( OSense( pins,( the( output( voltage( set( point( decreases((see(Figure(9).( ( +Vin CNT OVin +Vo +Sense Trim OSense OVo Radj_ down RLoad Figure(9( ( Trim(down(circuit( The(following(equation(determines(the(required( externalOresistor(value(to(obtain(a(percentage( output(voltage(change(of(%.( )(49 .33 1 .1299 Ω−∆=− kR down adj Note:(△=((VnomOVo)( %(100/Vnom( Although(the(output(voltage(can(be(increased( by( both( the( remote( sense( and( the( trim,( the( maximum(increase(for(the(output(voltage(is(not( the(sum(of(both.(The(maximum(increase(is(the( larger(of(either(the(remote(sense(or(the(trim.( ( Note( that( at( elevated( output( voltages( the( maximum(power(rating(of(the(module(remains( the(same,(and(the(output(current(capability(will( decrease(correspondingly.( Minimum(Load(Requirements( There( is( no( minimum( load( requirement( for( AGQ300O48S1V2.( Output(Capacitance( High( output( current( transient( rate( of( change( (high( di/dt)( loads( may( require( high( values( of( output(capacitance(to(supply(the(instantaneous( energy( requirement( to( the( load.( To( minimize( the( output( voltage( transient( drop( during( this( transient,( low( equivalent( series( resistance( (ESR)(capacitors(may(be(required,(since(a(high( ESR( will( produce( a( correspondingly( higher( voltage(drop(during(the(current(transient.(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( When(the(load(is(sensitive(to(ripple(and(noise,( an(output(filter(can(be(added(to(minimize(the( effects.(A(simple(output(filter(to(reduce(output( ripple(and(noise(can(be(made(by(connecting(a( capacitor( C1( across( the( output( as( shown( in( Figure( 10.( The( recommended( value( for( the( output(capacitor(C1(is(470µF.( OVo +Vo Load C1 Figure(10( ( Output(ripple(filter( OVo +Vo Load C 1 C 2 Figure(11( ( Output(ripple(filter(for(a(distant(load( Extra(care(should(be(taken(when(long(leads(or( traces(are(used(to(provide(power(to(the(load.( Long( lead( lengths( increase( the( chance( for( noise( to( appear( on( the( lines.( Under( these( conditions(C1(can(be(added(across(the(load,( with( a( 1µF( ceramic( capacitor( C2( in( parallel( generally(as(shown(in(Figure(11.( Decoupling( Noise(on(the(power(distribution(system(is(not( always( created( by( the( converter.( High( speed( analog( or( digital( loads( with( dynamic( power( demands(can(cause(noise(to(cross(the(power( inductor(back(onto(the(input(lines.(Noise(can(be( reduced(by(decoupling(the(load.(In(most(cases,( connecting( a( 10µF( tantalum( or( ceramic( capacitor( in( parallel( with( a( 0.1µF( ceramic( capacitor(across(the(load(will(decouple(it.(The( capacitors(should(be(connected(as(close(to(the( load(as(possible.( Ground(Loops( Ground(loops(occur(when(different(circuits(are( given( multiple( paths( to( common( or( earth( ground,(as(shown(in(Figure(12.(Multiple(ground( points( have( slightly( different( potential( and( cause(current(flow(through(the(circuit(from(one( point( to( another.( This( can( result( in( additional( noise( in( all( the( circuits.( To( eliminate( the( problem,( circuits( should( be( designed( with( a( single( ground( connection( as( shown( in( Figure( 13.( OVo +Vo Load Load RLine RLine RLine RLine RLine RGround Loop Line ( ( Figure(12( ( Ground(loops( OVo +Vo Load Load RLine RLine RLine RLine RLine Figure(13( ( Single(point(ground( Output(OverOCurrent(Protection( AGQ300O48S1V2( features( foldback( current( limiting(as(part(of(their(overOcurrent(protection( (OCP)( circuits.( When( output( current( exceeds( 110%( to( 140%( of( the( rated( current,( such( as( during(a(short(circuit(condition,(the(module(will( shut(down(and(attempt(to(restart(normally(after( about(500ms.(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Output(OverOVoltage(Protection( The(output(overOvoltage(protection(consists(of( circuitry(that(monitors(the(voltage(on(the(output( terminals.(If(the(voltage(on(the(output(terminals( exceeds(the(over(voltage(protection(threshold( (120%~140%( of( the( nominal( output( voltage),( the( module( will( shut( down( and( attempt( to( restart(normally(after(about(500ms.( OverOTemperature(Protection( These( modules( feature( an( overOtemperature( protection(circuit(to(safeguard(against(thermal( damage.(The(module(will(work(on(intermittent( mode( when( the( maximum( device( reference( temperature( is( exceeded.( When( the( overOtemperature( condition( is( removed,( the( converter(will(automatically(restart.( Input(Reverse(Voltage(Protection( Under(installation(and(cabling(conditions(where( reverse( polarity( across( the( input( may( occur,( reverse( polarity( protection( is( recommended.( Protection(can(easily(be(provided(as(shown(in( Figure( 14.( In( both( cases( the( diode( used( is( rated( for( 10A/100V.( Placing( the( diode( across( the( inputs( rather( than( inOline( with( the( input( offers( an( advantage( in( that( the( diode( only( conducts(in(a(reverse(polarity(condition,(which( increases( circuit( efficiency( and( thermal( performance.( +(Vin O(Vin +(Vin O(Vin Figure(14( ( Reverse(polarity(protection(circuit( Safety(Consideration( For( safetyOagency( approval( of( the( system( in( which( the( power( module( is( used,( the( power( module( must( be( installed( in( compliance( with( the(spacing(and(separation(requirements(of(the( endOuse(safety(agency(standards,(i.e.,(UL1950( and( EN60950.( AGQ300O48S1V2( inputOtoOoutput( isolation( is( a( basic( insulation.( The(DC/DC(power(module(should(be(installed( in(endOuse(equipment,(in(compliance(with(the( requirements(of(the(ultimate(application,(and(is( intended( to( be( supplied( by( an( isolated( secondary( circuit.( When( the( supply( to( the( DC/DC( power( module( meets( all( the( requirements(for(SELV((<60Vdc),(the(output(is( considered(to(remain(within(SELV(limits((level( 3).( If( connected( to( a( 60Vdc( power( system,( double( or( reinforced( insulation( must( be( provided(in(the(power(supply(that(isolates(the( input( from( any( hazardous( voltages,( including( the(AC(mains.(One(input(pin(and(one(output(pin( are(to(be(grounded(or(both(the(input(and(output( pins(are(to(be(kept(floating.(Single(fault(testing( in( the( power( supply( must( be( performed( in( combination(with(the(DC/DC(power(module(to( demonstrate( that( the( output( meets( the( requirement( for( SELV.( The( input( pins( of( the( module(are(not(operator(accessible.( Note:(Do(not(ground(either(of(the(input(pins(of( the( module,( without( grounding( one( of( the( output( pins.( This( may( allow( a( nonOSELV( voltage(to(appear(between(the(output(pin(and( ground.( Fusing( AGQ300O48S1V2( has( no( internal( fuse.( An( external( fuse( must( always( be( employed!( To( meet(international(safety( requirements,(a(250( Volt( rated( fuse( should( be( used.( If( one( of( the(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( input(lines(is(connected(to(chassis(ground,(then( the(fuse(must(be(placed(in(the(other(input(line.( Standard( safety( agency( regulations( require( input( fusing.( Recommended( rating( is( 10A( for( AGQ300O48S1V2.( ( Note:(The(fuse(is(fast(blow(type. EMC( For(conditions(where(EMI(is(a(concern,(a(different(input(filter(can(be(used.(Figure(15(shows(the(filter( designed(to(reduce(EMI(effects(for(AGQ300O48S1V2.( VinO Vin+ PE DC/DC GND Vi1 Vi2 Vo1 Vo2 1 C1

4 DC/DC

+Vin OVin CNT +Vout Trim OS OVout 1 3 Cy PE VoutO Vout+ U2 Figure(15( ( EMI(reduction(filter( Component Value/rating Type Description Price C1( ( 100uF/100V( Aluminum( Electrolytic ( 08010262:(alum(capacitor( O100VO100µFO±20%O10*20O105°CORoHS( C2( ( 470uF/10V( Aluminum( Electrolytic ( 08010373:(alum(capacitor( O10VO470µFO±20%O10*12.5O105°CO5000hrsORoHS( U1:(5A(input(filter(module( Dashed(part(output(filter:(not(needed( Thermal Consideration Technologies( AGQ300O48S1V2( has( ultra( high( efficiency( at( full( load.( With( less( heat( dissipation( and( temperatureOresistant( components( such( as( ceramic( capacitors,( these( modules( exhibit( good(performance(during(proOlonged(exposure( to(high(temperatures.(Maintaining(the(operating( board( temperature( within( the( specified( range( helps( keep( internal( component( temperatures( within(their(specifications,(which(in(turn(helps( keep( MTBF( from( falling( below( the( specified( rating.(Proper(cooling(of(the(power(modules(is( also( necessary( for( reliable( and( consistent( operation.(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Thermal Management Measuring( the( board( temperature( of( the( module(as(the(method(shown(in(Figure(16(can( verify(the(proper(cooling.(If(the(module(has(a( baseplate,(the(measurement(location(is(at(the( center(of(the(baseplate.( ( 3 4 Thermal(measurement(spot Figure(16( ( Temperature(measurement(spot( ( The(module(should(work(under(70°C(ambient( for( the( reliability( of( operation( and( the( board( temperature( must( not( exceed( 105°C( while( operating(in(the(final(system(configuration.(The( measurement( can( be( made( with( a( surface( probe( after( the( module( has( reached( thermal( equilibrium.(No(heatsink(is(mounted,(make(the( measurement( as( close( as( possible( to( the( indicated( position.( It( makes( the( assumption( that( the( final( system( configuration( exists( and( can(be(used(for(a(test(environment.(Note(that( the(board(temperature(of(module(must(always( be(checked(in(the(final(system(configuration(to( verify(proper(operation(due(to(the(variation(in( test( conditions.( Thermal( management( acts( to( transfer(the(heat(dissipated(by(the(module(to( the( surrounding( environment.( The( amount( of( power(dissipated(by(the(module(as(heat((PD)(is( got(by(the(equation(below:( PD(=(PI(O(PO( Where:(PI(is(input(power;(PO(is(output(power;( PD(is(dissipated(power.( Also,( module( efficiency( (η)( is( defined( as( the( following(equation:( η(=(PO/PI( By(eliminating(the(input(power(term,(we(can(get( the( equation( below( from( the( above( two( equations:( PD(=(PO((1Oη)/η( The( module( power( dissipation( then( can( be( calculated(through(the(equation.( Module(Derating( With(48V(input,(25 °C(ambient(temperature,(and( 200LFM(airflow,(AGQ300O48S1V2(is(rated(for( full( power.( The( board( temperature( should( be( used(to(determine(maximum(temperature(limits.( The( module( cannot( work( continuously( when( the( board( temperature( is( over( 100 °C.( The( minimum( operating( temperature( for( AGQ300O48S1V2(is(O40 °C.(The(derating(curve( for(openOframe(is(shown(in(Figure(17(and(the( derating( curve( with( baseplate( is( shown( in( Figure(18.( Increasing( airflow( over( the( module( enhances( heat(transfer(via(convection.( ( The( module( is( not( designed( to( operate( for( a( long(time(with(the(baseplate(temperature(being( above(100°C.( ( 25 30 35 40 45 50 55 60 65 70 75 80 85 Local(ambient(temperature(Ta(( oC) Output(current((A) 0.5m/s 1m/s 1.5m/s 2m/s Figure(17( ( Derating(curve(of(the(module(for( openOframe,(airflow(rate(from(OVin(to(+Vin(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Local(ambient(temperature(Ta(( oC) Output(current(A) 0.5m/s 1.0m/s 1.5m/s 2.0m/s 25 30 35 40 45 50 55 60 65 70 75 80 85 Figure(18( ( Derating(curve(of(the(module(with( baseplate,(airflow(rate(from(–Vin(to(+Vin( MTBF The( MTBF,( calculated( in( accordance( with( Bellcore(TRONWTO000332,(is(2,500,000(hours.( Obtaining( this( MTBF( in( practice( is( entirely( possible.(If(the(board(temperature(is(expected( to(exceed(+25°C,(then(we(also(advise(to(orient( the(module(for(the(best(possible(cooling(in(the( air(stream.( Emerson( Network( Power( can( supply( replacements( for( converters( from( other( manufacturers,( or( offer( custom( solutions.( Please(contact(the(factory(for(details.( Mechanical Considerations Installation( Although(AGQ300O48S1V2(can(be(mounted(in( any(orientation,(free(airOflowing(must(be(taken.( Normally(power(components(are(always(put(at( the( end( of( the( airflow( path( or( have( separate( airflow( paths.( This( can( keep( other( system( equipment(cooler(and(increase(component(life( spans.( Note:( ( 1.( There( should( be( no( electrical( connection( between(the(case(and(the(PE(or(any(module( ports.( ( 2.(The(fixing(screw(of(the(heatsink(should(not( be( too( long.( Please( refer( to( the( mechanical( chart(for(detail.( ( Soldering( AGQ300O48S1V2( is( compatible( with( standard( wave( soldering( techniques.( When( wave( soldering,( the( converter( pins( should( be( preheated( for( 20~30( seconds( at( 110°C,( and( wave( soldered( at( 260°C( for( less( than( 10( seconds.( When( hand( soldering,( the( iron( temperature( should(be(maintained(at(425°C(and(applied(to( the( converter( pins( for( less( than( 3( seconds.( Longer(exposure(can(cause(internal(damage(to( the(converter.(Cleaning(can(be(performed(with( cleaning(solvent(IPA(or(with(water.(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Mechanical Chart (Top & Side View) OpenOFrame(Product( TOLERANCES:(X.Xmm=+/O0.5mm ((((((((((((((X.XXmm=+/O0.25mm TOP(VIEW 36.8(1.45 ) 15.24 (0.600 ) 59.9( [2.28 ] 50.8( [2.000 ] 7.62 [0.300 ] 15.24 [0.600 ] 6O Ф1.0 ±0.10 6O Ф2.0 (Ф0.08 ) 2O Ф1.5 ±0.10 10.1 (0.397 ) Pin(Length(Option Device(Code Suffix L NONE 4.8mm(+/O(0.5mm 3.8mm(+/O(0.5mm 2.8mm(+/O(0.25mm 5.8mm(+/O(0.5mm L

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( Baseplate(Product( Pin(Length(Option O8 2.8mm+/O0.25mm 5.8mm+/O0.5mm NONE 4.8mm+/O0.5mm 3.8mm+/O0.5mm O6 Device(code Suffix L TOP(VIEW 50.8( [2.000 ] 57.9( [2.28 ] 7.62 [0.300 ] 36.8(1.45 ) 15.24 [0.600 ] 6O Ф1.0 ±0.10 15.24 (0.600 ) 2O Ф1.5 ±0.10 TOLERANCES:(X.Xmm=+/O0.5mm ((((((((((((((X.XXmm=+/O0.25mm ( Pin(Designations( Pin number Function Pin number Function P1( Vin((+)( P5( OSense( P2( CNT( P6( Trim( P3( Vi((O)( P7( +Sense( P4( Vo((O)( P8( Vo((+)(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn(

Ordering Information

(V) Output voltage (V) Output current (A) Ripple and noise (mV pp) Efficiency (%) Typ. AGQ300O48S1V2O4L( 36(~(75( 1.2( 60( Negative( 85( AGQ300O48S1V2PO4L ( 36(~(75( 1.2( 60( Positive( 85( AGQ300O48S1V2BO4L ( 36(~(75( 1.2( 60( Negative( 85( AGQ300O48S1V2PBO4L ( 36(~(75( 1.2( 60( Positive( 85( AGQ300O48S1V2O4Y( 36(~(75( 1.2( 60( Negative( 85(

AGQ300-48S1V2 DC/DC Converter TRN http://www.emersonnetworkpower.com.cn( 有毒有害物质或元素标识表有毒有害物质或元素标识表有毒有害物质或元素标识表有毒有害物质或元素标识表 有毒有害物质或元素有毒有害物质或元素有毒有害物质或元素有毒有害物质或元素 铅铅 铅铅 汞汞 汞汞 镉镉 镉镉 六价铬六价铬六价铬六价铬 多溴联苯多溴联苯多溴联苯多溴联苯 多溴联苯醚多溴联苯醚多溴联苯醚多溴联苯醚 部件部件部件部件 名称名称名称名称 Pb Hg Cd Cr6+ PBB PBDE ○：表示该有毒有害物质在该部件所有均质材料中的含量在 SJ/T-11363-2006 规定的限量要求以下。 ×：表示该有毒有害物质至少在该部件的某一均质材料中的含量超出 SJ/T-11363-2006 规定的限量要求 艾默生网络能源有限公司一直致力于设计和制造环保的产品，我们会通过持续的研究来减少和消除产品中的有毒有害 物质。以下部件或应用中含有有毒有害物质是限于目前的技术水平无法实现可靠的替代或者没有成熟的解决方案： 1．器件的高温焊料中含有铅。 2．电子器件的玻璃中含有铅。 3．插针的铜合金中含有铅 适用范围：R6 产品 有毒有害物质或元素标识表有毒有害物质或元素标识表有毒有害物质或元素标识表有毒有害物质或元素标识表 有毒有害物质或元素有毒有害物质或元素有毒有害物质或元素有毒有害物质或元素 铅铅 铅铅 汞汞 汞汞 镉镉 镉镉 六价铬六价铬六价铬六价铬 多溴联苯多溴联苯多溴联苯多溴联苯 多溴联苯醚多溴联苯醚多溴联苯醚多溴联苯醚 部件部件部件部件 名称名称名称名称 Pb Hg Cd Cr6+ PBB PBDE ○：表示该有毒有害物质在该部件所有均质材料中的含量在 SJ/T-11363-2006 规定的限量要求以下。 ×：表示该有毒有害物质至少在该部件的某一均质材料中的含量超出 SJ/T-11363-2006 规定的限量要求 艾默生网络能源有限公司一直致力于设计和制造环保的产品，我们会通过持续的研究来减少和消除产品中的有毒有害 物质。以下部件或应用中含有有毒有害物质是限于目前的技术水平无法实现可靠的替代或者没有成熟的解决方案： 1．焊料（含器件的高温焊料）中含有铅。 2．电子器件的玻璃中含有铅。 3．插针的铜合金中含有铅 适用范围：R5 产品