PMC8118NASN [ERICSSON]
DC-DC Regulated Power Supply Module, 1 Output, 16W, Hybrid, ROHS COMPLIANT, PACKAGE-6;
| 型号： | PMC8118NASN |
| 厂家： | 
ERICSSON |
| 描述： | DC-DC Regulated Power Supply Module, 1 Output, 16W, Hybrid, ROHS COMPLIANT, PACKAGE-6 远程控制 |
| 文件： | 总34页 (文件大小：1756K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PMCꢀ8818TꢀS
DC/DCꢀregulator
Inputꢀ8.3ꢀ-ꢀ16ꢀV
Outputꢀ16ꢀAꢀ
Contents
ProductꢀProgramꢀ. . . . . . . . . . . . . . . . . . . . . . 2
MechanicalꢀDataꢀ. . . . . . . . . . . . . . . . . . . . . . 2
Connections ꢀ. . . . . . . . . . . . . . . . . . . . . . . . . 2
AbsoluteꢀMaximumꢀRatings ꢀ. . . . . . . . . . . . . 3
Inputꢀꢀ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
ProductꢀQualificationꢀSpecificationꢀ. . . . . . . . 4
SafetyꢀSpecification ꢀ. . . . . . . . . . . . . . . . . . . 5
Adjustedꢀtoꢀ1.0ꢀVoutꢀ-ꢀDataꢀ. . . . . . . . . . . . . . 6
Adjustedꢀtoꢀ1.2ꢀVoutꢀ-ꢀDataꢀ. . . . . . . . . . . . . . 9
Adjustedꢀtoꢀ1.5ꢀVoutꢀ-ꢀDataꢀ. . . . . . . . . . . . . 12
Adjustedꢀtoꢀ1.8ꢀVoutꢀ-ꢀDataꢀ. . . . . . . . . . . . . 15
Adjustedꢀtoꢀ2.5ꢀVoutꢀ-ꢀDataꢀ. . . . . . . . . . . . . 18
Adjustedꢀtoꢀ3.3ꢀVoutꢀ-ꢀDataꢀ. . . . . . . . . . . . . 21
Adjustedꢀtoꢀ5.0ꢀVoutꢀ-ꢀDataꢀ. . . . . . . . . . . . . 24
EMCꢀSpecification. . . . . . . . . . . . . . . . . . . . 27
OperatingꢀInformationꢀ. . . . . . . . . . . . . . . . . 28
ThermalꢀConsiderations ꢀ. . . . . . . . . . . . . . . 30
SolderingꢀInformationꢀ. . . . . . . . . . . . . . . . . 31
DeliveryꢀPackageꢀInformationꢀ. . . . . . . . . . . 32
CompatibilityꢀwithꢀRoHSꢀrequirementsꢀ. . . . 32
Reliabilityꢀ. . . . . . . . . . . . . . . . . . . . . . . . . . . 32
SalesꢀOfficesꢀandꢀContactꢀInformationꢀ. . . . 33
Key Features
•ꢀ Wideꢀinput,ꢀ8.3ꢀ-ꢀ16ꢀVdc
•ꢀ Programmableꢀoutput,ꢀ0.75ꢀ-ꢀ5.5ꢀVdc
•ꢀ Monotonicꢀstartꢀupꢀintoꢀpre-biasedꢀoutput
•ꢀ Underꢀvoltageꢀprotection
•ꢀ Shortꢀcircuitꢀprotection
•ꢀ Remoteꢀsense
•ꢀ RemoteꢀOn/Off
•ꢀ DesignꢀforꢀEnvironmentꢀ(DfE)
•ꢀ EuropeanꢀCommissionꢀDirectiveꢀ2002/95/ECꢀ
(RoHs)ꢀcompliant
TheꢀPMCꢀseriesꢀofꢀsurfaceꢀmountꢀDC/DCꢀregulatorsꢀ
(POL)ꢀareꢀintendedꢀtoꢀbeꢀusedꢀasꢀlocalꢀdistributedꢀpowerꢀ
sourcesꢀinꢀdistributedꢀpowerꢀarchitecture.ꢀTheꢀhighꢀef-
ficiencyꢀandꢀhighꢀreliabilityꢀofꢀtheꢀPMCꢀseriesꢀmakesꢀthemꢀ
particularlyꢀsuitedꢀforꢀtheꢀcommunicationsꢀequipmentꢀofꢀ
todayꢀandꢀtomorrow.ꢀꢀ
vironmentalꢀrequirements.ꢀDesignedꢀtoꢀmeetꢀhighꢀreliabilityꢀ
requirementsꢀofꢀsystemsꢀmanufacturers,ꢀtheꢀPMCꢀrespondsꢀ
toꢀworld-classꢀspecifications.ꢀ
ꢀ
EricssonꢀPowerꢀModulesꢀisꢀanꢀISOꢀ9001/14001ꢀcertifiedꢀ
supplier.
Theseꢀproductsꢀareꢀmanufacturedꢀusingꢀtheꢀmostꢀad-
vancedꢀtechnologiesꢀandꢀmaterialsꢀtoꢀcomplyꢀwithꢀen-
E
Datasheet
Product Program
VO/IOꢀmax
Outputꢀ1
VI
POꢀmax
OrderingꢀNo.
Comment
8.3ꢀ-ꢀ16V
8.3ꢀ-ꢀ16V
Option
0.75ꢀ-ꢀ5.50/16ꢀA
1.0ꢀV/16ꢀA
1.2ꢀV/16ꢀA
1.5ꢀV/16ꢀA
1.8ꢀV/10ꢀA
2.5ꢀV/10ꢀA
3.3ꢀV/16ꢀA
5ꢀV/16ꢀA
80ꢀW
PMCꢀ8818TꢀS
PMCꢀ8118NAꢀS
PMCꢀ8118LAꢀS
PMCꢀ8218HꢀS
PMCꢀ8218GꢀS
PMCꢀ8419ꢀS
PMCꢀ8510ꢀS
PMCꢀ8811ꢀS
Example
Released
16ꢀW
Onꢀrequest
Onꢀrequest
Onꢀrequest
Onꢀrequest
Onꢀrequest
Onꢀrequeast
Onꢀrequest
19.2ꢀW
24ꢀW
28.8ꢀW
40ꢀW
52.8ꢀW
80ꢀW
Suffix
NegativeꢀRemoteꢀControlꢀlogicꢀꢀ
N
PMCꢀ8818TꢀSN
Mechanical Data
33,00
[1.299]
7,87
7,54
4,83(3x)
[0.297]
[0.310]
[0.190]
2,70(6x)
[0.106]
ꢄꢇꢊꢅ
<ꢀꢁꢀꢂꢈ>
4,83(3x)
[0.190]
#PUUPNꢆ7JFX
7,87
[0.310]
7,54
<ꢀꢁꢂꢃꢄ>
4FOTF 7 ꢋ0VU (OE
BEK
ꢋ*O
3$
Co-planarity max 0,1[0,004]
3,80
<ꢀꢁꢄꢅꢀ>
�
Dimensions in mm[inch]
Tolerances (unless specified):
x,xx ±0,25[0,01]
3FDPNNFOEFEꢆGPPUQSJOUꢁ
5PQꢆ7JFX
Pin true position w ithin 0,4[0,016]
Weight
Connections
7ꢀgꢀ
Pin Designation
Function
ꢀ4FOTFꢁꢁ7BEKꢁꢀ0VUꢁꢁ(OE
1
2
3
4
5
6
RC
RemoteꢀControl
InputꢀVoltage
Ground
Pins
+ꢀIn
Gnd
+ꢀOut
Vadj
+ꢀS
3$
Material:ꢀCopperꢀ
ꢀ*O
Plating:ꢀFlashꢀgoldꢀoverꢀnickel
OutputꢀVoltage
OutputꢀVoltageꢀAdjust
Remoteꢀsensing
ꢀ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Absolute Maximum Ratings
Characteristics
min
-45
typ
max
+115
+125
16
Unit
˚C
T
MaximumꢀOperatingꢀTemperature,ꢀseeꢀthermalꢀconsiderations
Storageꢀtemperature
ref
S
T
-55
˚C
VI
Inputꢀvoltage
-0.3
-0.3
Vdc
Vdc
Vtr
Inputꢀvoltageꢀtransient
40
Negativeꢀlogic
Remoteꢀcontrolꢀvoltage
-0.3
-0.3
16
16
Vdc
Vdc
VRC
Positiveꢀlogic
StressꢀinꢀexcessꢀofꢀAbsoluteꢀMaximumꢀRatingsꢀmayꢀcauseꢀpermanentꢀdamage.ꢀAbsoluteꢀMaximumꢀRatings,ꢀsometimesꢀreferredꢀtoꢀasꢀnoꢀdestructionꢀlimits,ꢀareꢀ
normallyꢀtestedꢀwithꢀoneꢀparameterꢀatꢀaꢀtimeꢀexceedingꢀtheꢀlimitsꢀofꢀOutputꢀdataꢀorꢀElectricalꢀCharacteristics.ꢀIfꢀexposedꢀtoꢀstressꢀaboveꢀtheseꢀlimits,ꢀfunctionꢀ
andꢀperformanceꢀmayꢀdegradeꢀinꢀanꢀunspecifiedꢀmanner.
T
ref = -30 ... +90 ˚C, VIꢀ=ꢀ8.3...16.0ꢀVꢀunlessꢀotherwiseꢀspecifiedꢀ
Input
Typꢀvaluesꢀspecifiedꢀat:ꢀTref = +25 ˚C, VInom,ꢀIomaxꢀ=ꢀ16ꢀA
Characteristics
Conditions
min
8.3
typ
max
Unit
V
V
Inputꢀvoltageꢀrange
Turn-offꢀinputꢀvoltage
Turn-onꢀinputꢀvoltage
Inputꢀcapacitance
12
7.8
8.0
30
16
I
Vloff
VIon
CI
I max
V
o
I max
V
o
µF
V
V
V
V
V
V
V
=ꢀ1.00ꢀV
=ꢀ1.20ꢀV
=ꢀ1.50ꢀV
=ꢀ1.80ꢀV
=ꢀ2.50ꢀV
=ꢀ3.30ꢀV
=ꢀ5.00ꢀV
470
500
550
605
750
910
1150
560
600
mW
mW
mW
mW
mW
mW
mW
oꢀ
oꢀ
oꢀ
oꢀ
oꢀ
oꢀ
oꢀ
660
Inputꢀidlingꢀpower
P
725
Ii
I
=ꢀ0ꢀA,ꢀVIꢀ=ꢀ12ꢀV
oꢀ
900
1090
1410
PRC
Inputꢀstand-byꢀpower
VIꢀ=ꢀ12ꢀV,ꢀRCꢀactivated
35
mW
V
V
V
V
V
V
V
=ꢀ1.00ꢀV
=ꢀ1.20ꢀV
=ꢀ1.50ꢀV
=ꢀ1.80ꢀV
=ꢀ2.50ꢀV
=ꢀ3.30ꢀV
=ꢀ5.00ꢀV
170
180
190
210
310
350
540
mVp-p
mVp-p
mVp-p
mVp-p
mVp-p
mVp-p
mVp-p
oꢀ
oꢀ
oꢀ
oꢀ
oꢀ
oꢀ
oꢀ
Inputꢀrippleꢀ1)ꢀ20ꢀHzꢀ...ꢀ5ꢀMHzꢀ
VIac
VIꢀ=ꢀ12ꢀV,ꢀI =ꢀ1.0ꢀxꢀI max
oꢀ
o
1)ꢀMeasuredꢀwithꢀ4ꢀxꢀ4.7ꢀµFꢀceramicꢀcapacitors
Fundamental Circuit Diagram
+OUT
+IN
+SENSE
GND
GND
Vadj
PWM
controller
Error
amplifier
Ref
RC
RC
Block
GND
GND
ꢁ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Absolute Maximum Ratings
Characteristics
min
-45
typ
max
+115
+125
+5.5
Unit
˚C
T
T
OperatingꢀReferenceꢀTemperature,ꢀseeꢀpg.ꢀ27
Storageꢀtemperature
ref
-55
˚C
S
V
Inputꢀvoltage
-0.3
Vdc
I
StressꢀinꢀexcessꢀofꢀAbsoluteꢀMaximumꢀRatingsꢀmayꢀcauseꢀpermanentꢀdamage.ꢀ
AbsoluteꢀMaximumꢀRatings,ꢀsometimesꢀreferredꢀtoꢀasꢀnoꢀdestructionꢀlimits,ꢀareꢀ
normallyꢀtestedꢀwithꢀoneꢀparameterꢀatꢀaꢀtimeꢀexceedingꢀtheꢀlimitsꢀofꢀOutputꢀdataꢀ
orꢀElectricalꢀCharacteristics.ꢀIfꢀexposedꢀtoꢀstressꢀaboveꢀtheseꢀlimits,ꢀfunctionꢀandꢀ
performanceꢀmayꢀdegradeꢀinꢀanꢀunspecifiedꢀmanner.
T
ref = -30 ... +90 ˚C, VIꢀ=ꢀ3.0...5.5ꢀVꢀunlessꢀotherwiseꢀspecifiedꢀ
Input
Typꢀvaluesꢀspecifiedꢀat:ꢀTref = +25 ˚C, VInom,ꢀIomaxꢀ=ꢀ16ꢀA
Characteristics
Conditions
min
typ
max
Unit
Vdc
V
Inputꢀvoltageꢀrange
3.0
5.5
I
Rampꢀfromꢀhigherꢀvoltage,ꢀVoutꢀ=ꢀ1.0-ꢀ2.5ꢀV,ꢀVinꢀ=ꢀ3.3ꢀV
Rampꢀfromꢀhigherꢀvoltage,ꢀVoutꢀ=ꢀ3.3ꢀV,ꢀVinꢀ=ꢀ5.0ꢀV
Rampꢀfromꢀlowerꢀvoltage,ꢀVoutꢀ=ꢀ1.0-ꢀ2.5ꢀV,ꢀVinꢀ=ꢀ3.3ꢀV
Rampꢀfromꢀlowerꢀvoltage,ꢀVoutꢀ=ꢀ3.3ꢀV,ꢀVinꢀ=ꢀ5.0ꢀV
2.3
3.4
2.4
3.5
V
Turn-offꢀinputꢀvoltage
Vdc
Vdc
Ioff
V
Turn-onꢀinputꢀvoltage
Ion
C
Inputꢀcapacitance
20
µF
I
P
P
Inputꢀidlingꢀpower
I
=ꢀ0ꢀA,ꢀVIꢀ=ꢀ5.5ꢀV
680
7.5
mW
mW
mV
Ii
oꢀ
Inputꢀstand-byꢀpowerꢀ(RCꢀactive)
Inputꢀrippleꢀ1)
Nonꢀoperation,ꢀVIꢀ=ꢀ5ꢀV
RC
V ac
20ꢀHzꢀ...ꢀ5ꢀMHz,ꢀI max,ꢀVIꢀ=ꢀ5ꢀV
o
400
I
1)ꢀMeasuredꢀwithꢀꢀ2ꢀxꢀ22ꢀµFꢀceramicꢀcapacitors
Fundamental Circuit Diagram
+OUT
+IN
+SENSE
GND
GND
Vadj
PWM
controller
Error
amplifier
Ref
RC
RC
Block
GND
GND
ꢂ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Product Qualification Specification
Characteristics
Frequencyꢀ
Accelerationꢀdensity
2ꢀ...ꢀ500ꢀHzꢀ
0.008ꢀ...ꢀ0.2ꢀg /Hz
RandomꢀVibration
Sinusoidalꢀvibration
JESDꢀ22-B103-B
2
Frequencyꢀ
Acceleration
10ꢀ...ꢀ1000ꢀHzꢀ
10ꢀg
JESDꢀ22-B103-B
JESDꢀ22-B104-B
JESDꢀ22-B105-C
JESDꢀ22-A104-B
Mechanicalꢀshockꢀ
(halfꢀsinus)
Peakꢀaccelerationꢀ
Duration
200ꢀg
1.5ꢀms
Leadꢀintegrity
Weightꢀofꢀ1000ꢀg
Allꢀterminals
Temperatureꢀ
Numberꢀofꢀcycles
-40 ... +125 ˚C
300
Temperatureꢀcycling
Temperatureꢀ
Humidity
Duration
Bias
+85 ˚C
85ꢀ%ꢀRH
1000ꢀhours
maxꢀinputꢀvoltage
Acceleratedꢀdampꢀheatꢀ
Solderability
JESDꢀ22-A101-B
IECꢀ60068-2-54ꢀ
(AgedꢀaccordingꢀtoꢀJESDꢀ22-
A101-B,ꢀ240hꢀnoꢀbias)
Solderꢀimmersionꢀdepth
Timeꢀforꢀonsetꢀofꢀwetting
Wettingꢀforce
1ꢀmm
<ꢀ4ꢀs
>ꢀ100ꢀmN/m
Temperature
Duration
-45 ˚C
72ꢀh
Coldꢀ(inꢀoperation)
IECꢀ60068-2-1A,ꢀtestꢀAd
JESDꢀ22-A103-B
Temperature
Duration
+125 ˚C
1000ꢀh
Highꢀtemperatureꢀstorage
ꢃ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Safety Specification
Generalꢀinformation.
IsolatedꢀDC/DCꢀconverters.
EricssonꢀPowerꢀModulesꢀDC/DCꢀconvertersꢀandꢀDC/DCꢀregulatorsꢀ
areꢀdesignedꢀinꢀaccordanceꢀwithꢀsafetyꢀstandardsꢀꢀ
IEC/EN/ULꢀ60ꢀ950, Safety of Information Technology Equipment.
Itꢀisꢀrecommendedꢀthatꢀaꢀfastꢀblowꢀfuseꢀwithꢀaꢀratingꢀ
twiceꢀtheꢀmaximumꢀinputꢀcurrentꢀperꢀselectedꢀproductꢀ
beꢀusedꢀatꢀtheꢀinputꢀofꢀeachꢀDC/DCꢀconverter.ꢀIfꢀanꢀinputꢀfilterꢀisꢀ
usedꢀinꢀtheꢀcircuitꢀtheꢀfuseꢀshouldꢀbeꢀplacedꢀinꢀfrontꢀofꢀtheꢀinputꢀ
filter.ꢀꢀ
IEC/EN/UL60950ꢀcontainsꢀrequirementsꢀtoꢀpreventꢀinjuryꢀorꢀ
damageꢀdueꢀtoꢀtheꢀfollowingꢀhazards:ꢀ
Inꢀtheꢀrareꢀeventꢀofꢀaꢀcomponentꢀproblemꢀinꢀtheꢀinputꢀfilterꢀorꢀinꢀtheꢀ
DC/DCꢀconverterꢀthatꢀimposesꢀaꢀshortꢀcircuitꢀonꢀtheꢀinputꢀsource,ꢀ
thisꢀfuseꢀwillꢀprovideꢀtheꢀfollowingꢀfunctions:ꢀ
ꢀ
•ꢀꢀElectrical shock
•ꢀꢀEnergy hazards
•ꢀꢀFire
•ꢀꢀIsolateꢀtheꢀfaultyꢀDC/DCꢀconverterꢀfromꢀtheꢀinputꢀpowerꢀsourceꢀ
soꢀasꢀnotꢀtoꢀaffectꢀtheꢀoperationꢀofꢀotherꢀpartsꢀofꢀtheꢀsystem.
•ꢀꢀMechanical and heat hazards
•ꢀꢀRadiation hazards
•ꢀꢀChemical hazards
•ꢀꢀProtectꢀtheꢀdistributionꢀwiringꢀfromꢀexcessiveꢀcurrentꢀandꢀpowerꢀ
lossꢀthusꢀpreventingꢀhazardousꢀoverheating.
Theꢀgalvanicꢀisolationꢀisꢀverifiedꢀinꢀanꢀelectricꢀstrengthꢀtest.ꢀꢀTheꢀtestꢀ
voltageꢀ(VISO)ꢀbetweenꢀinputꢀandꢀoutputꢀisꢀ1500ꢀVdcꢀorꢀ2250ꢀVdcꢀforꢀ
60ꢀsecondsꢀ(referꢀtoꢀproductꢀspecification).ꢀꢀLeakageꢀcurrentꢀisꢀlessꢀ
thanꢀ1µAꢀatꢀnominalꢀinputꢀvoltage.
On-boardꢀDC-DCꢀconvertersꢀareꢀdefinedꢀasꢀcomponentꢀpowerꢀ
supplies.ꢀAsꢀcomponentsꢀtheyꢀcannotꢀfullyꢀcomplyꢀwithꢀtheꢀ
provisionsꢀofꢀanyꢀSafetyꢀrequirementsꢀwithoutꢀ“Conditionsꢀofꢀ
Acceptability”.ꢀItꢀisꢀtheꢀresponsibilityꢀofꢀtheꢀinstallerꢀtoꢀensureꢀthatꢀ
theꢀfinalꢀproductꢀhousingꢀtheseꢀcomponentsꢀcompliesꢀwithꢀtheꢀ
requirementsꢀofꢀallꢀapplicableꢀSafetyꢀstandardsꢀandꢀDirectivesꢀforꢀ
theꢀfinalꢀproduct.
24ꢀVꢀdcꢀsystems.
TheꢀinputꢀvoltageꢀtoꢀtheꢀDC/DCꢀconverterꢀisꢀSELVꢀ(SafetyꢀExtraꢀLowꢀ
Voltage)ꢀandꢀtheꢀoutputꢀremainsꢀSELVꢀunderꢀnormalꢀandꢀabnormalꢀ
operatingꢀconditions.
Componentꢀpowerꢀsuppliesꢀforꢀgeneralꢀuseꢀshouldꢀcomplyꢀwithꢀ
theꢀrequirementsꢀinꢀIEC60950,ꢀEN60950ꢀandꢀUL60950ꢀ“Safetyꢀofꢀ
informationꢀtechnologyꢀequipment”.ꢀ
Thereꢀareꢀotherꢀmoreꢀproductꢀrelatedꢀstandards,ꢀe.g.ꢀ
IEC61204-7ꢀ“Safetyꢀstandardꢀforꢀpowerꢀsupplies",ꢀ
48ꢀandꢀ60ꢀVꢀdcꢀsystems.
IfꢀtheꢀinputꢀvoltageꢀtoꢀEricssonꢀPowerꢀModulesꢀDC/DCꢀconverterꢀ
isꢀ75ꢀVꢀdcꢀorꢀless,ꢀthenꢀtheꢀoutputꢀremainsꢀSELVꢀ(SafetyꢀExtraꢀLowꢀ
Voltage)ꢀunderꢀnormalꢀandꢀabnormalꢀoperatingꢀconditions.ꢀꢀ
ꢀ
Singleꢀfaultꢀtestingꢀinꢀtheꢀinputꢀpowerꢀsupplyꢀcircuitꢀshouldꢀbeꢀ
performedꢀwithꢀtheꢀDC/DCꢀconverterꢀconnectedꢀtoꢀdemonstrateꢀ
thatꢀtheꢀinputꢀvoltageꢀdoesꢀnotꢀexceedꢀ75ꢀVꢀdc.ꢀꢀ
IEEE802.3afꢀ“EthernetꢀLAN/MANꢀDataꢀterminalꢀequipmentꢀ
power”,ꢀandꢀETS300132-2ꢀ“Powerꢀsupplyꢀinterfaceꢀatꢀtheꢀinputꢀ
toꢀtelecommunicationsꢀequipment;ꢀpartꢀ2:ꢀDC”,ꢀbutꢀallꢀofꢀtheseꢀ
standardsꢀareꢀbasedꢀonꢀIEC/EN/UL60950ꢀwithꢀregardsꢀtoꢀsafety.
EricssonꢀPowerꢀModulesꢀDC/DCꢀconvertersꢀandꢀDC/DCꢀregulatorsꢀ
areꢀULꢀ60ꢀ950ꢀrecognizedꢀandꢀcertifiedꢀinꢀaccordanceꢀwithꢀENꢀ60ꢀ
950.
IfꢀtheꢀinputꢀpowerꢀsourceꢀcircuitꢀisꢀaꢀDCꢀpowerꢀsystem,ꢀtheꢀsourceꢀ
mayꢀbeꢀtreatedꢀasꢀaꢀTNV2ꢀcircuitꢀandꢀtestingꢀhasꢀdemonstratedꢀ
complianceꢀwithꢀSELVꢀlimitsꢀandꢀisolationꢀrequirementsꢀequivalentꢀ
toꢀBasicꢀInsulationꢀinꢀaccordanceꢀwithꢀIEC/EN/ULꢀ60ꢀ950.
Theꢀflammabilityꢀratingꢀforꢀallꢀconstructionꢀpartsꢀofꢀtheꢀproductsꢀ
meetsꢀULꢀ94V-0.
Theꢀproductsꢀshouldꢀbeꢀinstalledꢀinꢀtheꢀend-useꢀequipment,ꢀinꢀ
accordanceꢀwithꢀtheꢀrequirementsꢀofꢀtheꢀultimateꢀapplication.ꢀ
NormallyꢀtheꢀoutputꢀofꢀtheꢀDC/DCꢀconverterꢀisꢀconsideredꢀasꢀSELVꢀ
(SafetyꢀExtraꢀLowꢀVoltage)ꢀandꢀtheꢀinputꢀsourceꢀmustꢀbeꢀisolatedꢀbyꢀ
minimumꢀDoubleꢀorꢀReinforcedꢀInsulationꢀfromꢀtheꢀprimaryꢀcircuitꢀ
(ACꢀmains)ꢀinꢀaccordanceꢀwithꢀIEC/EN/ULꢀ60ꢀ950.
Non-isolatedꢀDC/DCꢀregulators.
TheꢀinputꢀvoltageꢀtoꢀtheꢀDC/DCꢀregulatorꢀisꢀSELVꢀ(SafetyꢀExtraꢀLowꢀ
Voltage)ꢀandꢀtheꢀoutputꢀremainsꢀSELVꢀunderꢀnormalꢀandꢀabnormalꢀ
operatingꢀconditions.ꢀ
Itꢀisꢀrecommendedꢀthatꢀaꢀslowꢀblowꢀfuseꢀwithꢀaꢀratingꢀ
twiceꢀtheꢀmaximumꢀinputꢀcurrentꢀperꢀselectedꢀproductꢀ
beꢀusedꢀatꢀtheꢀinputꢀofꢀeachꢀDC/DCꢀregulator.ꢀ
ꢃ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Output
Adjusted to 1.0 Vout - Data
Trefꢀ=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀVIꢀ=ꢀ8.3ꢀ...ꢀ16ꢀVꢀunlessꢀotherwiseꢀspecified.ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀ
Typꢀvaluesꢀspecifiedꢀat:ꢀTrefꢀ=ꢀ+25ꢀ°CꢀandꢀVInom.ꢀIOmaxꢀ=ꢀ16ꢀA.ꢀNote:ꢀ+Senseꢀconnectedꢀtoꢀ+Out.ꢀRadjꢀ41.42ꢀkΩ
Characteristics
Conditions
Unit
min
-2
typ
max
+2
dVOi
Outputꢀvoltageꢀadjustedꢀsettingꢀ
Outputꢀvoltageꢀtoleranceꢀband
Idlingꢀvoltage
T
refꢀ
=ꢀ+25ꢀ°C,ꢀVInom,ꢀIOmax
%ꢀVO
%ꢀVO
%ꢀVO
mV
dVO
dVO
dVO
dVO
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
IOꢀ=ꢀ0ꢀA
-3
+3
-2
+2
Lineꢀregulation
VIminꢀ...ꢀVImax,ꢀIOmax
ꢀIOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
2
Loadꢀregulation
25
mV
Loadꢀtransientꢀ
recoveryꢀtime
ttr
Loadꢀstepꢀ=ꢀ0.25-0.75-0.25ꢀxꢀIOmax,ꢀ
dI/dtꢀ=ꢀ5ꢀA/µs,ꢀCOꢀ=ꢀ2ꢀxꢀ150ꢀµF,ꢀ
VIꢀ=ꢀ12ꢀV
40
µs
Vtr
Loadꢀtransientꢀvoltage
Temperatureꢀcoefficient
±100
-0.6
7
mV
mV/°C
ms
ms
ms
s
T
refꢀ
=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀIOmax
Tcoeff
ts
Start-upꢀVI onꢀtoꢀ0.9ꢀxꢀVO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInomꢀ
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ꢀ
tr
Ramp-up,ꢀVI ...ꢀ0.9ꢀxꢀVO
ꢀ
3
tf
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
RCꢀshut-downꢀtimeꢀ0.1ꢀxꢀVO
RCꢀstart-upꢀtimeꢀ0.9ꢀxꢀVO
RCꢀfallꢀtime,ꢀ0.1ꢀxꢀVO
Outputꢀcurrent
1
tf
22
1
tRC
tRC
tRC
IO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ms
ms
s
7
24
0
16
A
POmax Maxꢀoutputꢀpower
16
19
W
Ilim
VOac
η
Currentꢀlimitingꢀthreshold
T
< Trefmax
A
refꢀ
ꢀ
Outputꢀrippleꢀ
20ꢀHzꢀ...ꢀ5ꢀMHz,ꢀIOmax
IOꢀ=ꢀ0.5ꢀxꢀIOmax,ꢀVOꢀ=ꢀ1.00ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.00ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.00ꢀV
IOꢀ=ꢀ(0...ꢀ1)ꢀxꢀIOmax
50
mVp-p
%
Efficiencyꢀ-ꢀ50%ꢀload
Efficiencyꢀ-ꢀ100%ꢀload
PowerꢀDissipation
84.4
83.2
3.2
η
80.8
260
%
P
3.8
340
10
W
d
Fo
Switchingꢀfrequency
Remoteꢀsenseꢀcurrent
StaticꢀinputꢀcurrentꢀViꢀ=ꢀ8.3ꢀV
300
kHz
mA
A
Isense
II
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.00ꢀV
2.4
5
millionꢀ
hours
MTBF
Predictedꢀreliability
ꢄ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to 1.0 Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Efficiency
Power Dissipation
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Efficiencyꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀTrefꢀ=ꢀ+25ꢀ°C
Dissipatedꢀpowerꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀꢀ
refꢀ=ꢀ+25ꢀ°C
T
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Availableꢀloadꢀcurrentꢀvs.ꢀambientꢀairꢀtemperatureꢀandꢀ
airflowꢀatꢀVinꢀ=ꢀ12ꢀV.ꢀSeeꢀconditionsꢀonꢀpageꢀ30.
Outputꢀvoltageꢀvs.ꢀloadꢀcurrent.ꢀ
Turn Off
Start-Up
Turn-offꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV.ꢀTurn-offꢀenabledꢀbyꢀdisconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
Start-upꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀꢀ=ꢀ+25ꢀ°C,ꢀꢀ
Vinꢀ=ꢀ12ꢀV.ꢀStartꢀenabledꢀbyꢀconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
ꢅ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to 1.0 Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Transient
Output Ripple
Outputꢀvoltageꢀrippleꢀ(20ꢀmV/div.)ꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV,ꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀload.ꢀ
Bandꢀwidthꢀ=ꢀ5ꢀMHz.ꢀ
Outputꢀvoltageꢀresponseꢀtoꢀloadꢀcurrentꢀstep-changeꢀ
(4-12-4ꢀA)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀVinꢀ=ꢀ12ꢀV.ꢀdI/dtꢀ=ꢀ5ꢀA/µsꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(ac)ꢀ(100ꢀmV/div.).ꢀ
Bottomꢀtrace:ꢀloadꢀcurrentꢀ(dc)ꢀ(10ꢀA/div.)ꢀ
Timeꢀscale:ꢀ0.1ꢀms/div.
Timeꢀscale:ꢀ2ꢀµs/div.
ꢆ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Output
Adjusted to 1.ꢀ Vout - Data
Trefꢀ=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀVIꢀ=ꢀ8.3ꢀ...16ꢀVꢀunlessꢀotherwiseꢀspecified.ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀ
Typꢀvaluesꢀspecifiedꢀat:ꢀTrefꢀ=ꢀ+25ꢀ°CꢀandꢀVInom,ꢀIOmaxꢀ=ꢀ16ꢀA.ꢀNote:ꢀ+Senseꢀconnectedꢀtoꢀ+Out.ꢀRadjꢀ22.46ꢀkΩ
Characteristics
Conditions
Unit
min
-2
typ
max
+2
dVOi
Outputꢀvoltageꢀadjustedꢀsettingꢀ
Outputꢀvoltageꢀtoleranceꢀband
Idlingꢀvoltage
T
refꢀ
=ꢀ+25ꢀ°C,ꢀVInom,ꢀIOmax
%ꢀVO
%ꢀVO
%ꢀVO
mV
dVO
dVO
dVO
dVO
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
IOꢀ=ꢀ0ꢀA
-3
+3
-2
+2
Lineꢀregulation
VIminꢀ...ꢀVImax,ꢀIOmax
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
2
Loadꢀregulation
25
mV
Loadꢀtransientꢀ
recoveryꢀtime
ttr
Loadꢀstepꢀ=ꢀ0.25-0.75-0.25ꢀxꢀIOmax,ꢀ
dI/dtꢀ=ꢀ5ꢀA/µs,ꢀCOꢀ=ꢀ2ꢀxꢀ150ꢀµF,ꢀ
VIꢀ=ꢀ12ꢀV
40
µs
Vtr
Loadꢀtransientꢀvoltage
Temperatureꢀcoefficient
±100
-0.6
7
mV
mV/°C
ms
ms
ms
s
T
refꢀ
=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀIOmax
Tcoeff
ts
Start-upꢀVI onꢀtoꢀ0.9ꢀxꢀVO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInomꢀ
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ꢀ
tr
Ramp-up,ꢀVI ...ꢀ0.9ꢀxꢀVO
ꢀ
3
tf
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
RCꢀshut-downꢀtimeꢀ0.1ꢀxꢀVOꢀ
RCꢀstart-upꢀtimeꢀ0.9ꢀxꢀVOꢀ
RCꢀfallꢀtime,ꢀ0.1ꢀxꢀVO
Outputꢀcurrent
1
tf
21
1
tRC
tRC
tRC
IO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ms
ms
s
7
21
0
16
A
POmax Maxꢀoutputꢀpower
19.2
19
W
Ilim
VOac
η
Currentꢀlimitingꢀthreshold
T
< Trefmax
A
refꢀ
ꢀ
Outputꢀripple
20ꢀHzꢀ...ꢀ5ꢀMHz,ꢀIOmax
IOꢀ=ꢀ0.5ꢀxꢀIOmax,ꢀVOꢀ=ꢀ1.20ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.20ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.20ꢀV
IOꢀ=ꢀ(0...ꢀ1)ꢀxꢀIOmax
50
mVp-p
%
Efficiencyꢀ-ꢀ50%ꢀload
Efficiencyꢀ-ꢀ100%ꢀload
PowerꢀDissipation
86.5
85.4
3.3
η
81.5
260
%
P
4.4
340
10
W
d
Fo
Switchingꢀfrequency
Remoteꢀsenseꢀcurrent
StaticꢀinputꢀcurrentꢀViꢀ=ꢀ8.3ꢀV
300
kHz
mA
A
Isense
II
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.20ꢀV
2.8
5
millionꢀ
hours
MTBF
Predictedꢀreliability
ꢇ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to 1.ꢀ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Efficiency
Power Dissipation
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Efficiencyꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀTrefꢀ=ꢀ+25ꢀ°C
Dissipatedꢀpowerꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀꢀ
refꢀ=ꢀ+25ꢀ°C
T
Output Current Derating at 1ꢀ V input
Output Characteristic
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Outputꢀvoltageꢀvs.ꢀloadꢀcurrent.ꢀ
Availableꢀloadꢀcurrentꢀvs.ꢀambientꢀairꢀtemperatureꢀandꢀ
airflowꢀatꢀVinꢀ=ꢀ12ꢀV.ꢀSeeꢀconditionsꢀonꢀpageꢀ30.
Start-Up
Turn Off
Turn-offꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV.ꢀTurn-offꢀenabledꢀbyꢀdisconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
Start-upꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀꢀ
Vinꢀ=ꢀ12ꢀV.ꢀStartꢀenabledꢀbyꢀconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
10
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to 1.ꢀ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Transient
Output Ripple
Outputꢀvoltageꢀrippleꢀ(20ꢀmV/div.)ꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV,ꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀload.ꢀ
Bandꢀwidthꢀ=ꢀ5ꢀMHz.ꢀ
Outputꢀvoltageꢀresponseꢀtoꢀloadꢀcurrentꢀstep-changeꢀ
(4-12-4ꢀA)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀVinꢀ=ꢀ12ꢀV.ꢀdI/dtꢀ=ꢀ5ꢀA/µsꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(ac)ꢀ(100ꢀmV/div.).ꢀ
Bottomꢀtrace:ꢀloadꢀcurrentꢀ(dc)ꢀ(10ꢀA/div.)ꢀ
Timeꢀscale:ꢀ0.1ꢀms/div.
Timeꢀscale:ꢀ2ꢀµs/div.
11
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Output
Adjusted to 1.ꢃ Vout - Data
Trefꢀ=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀVIꢀ=ꢀ8.3ꢀ...ꢀ16ꢀVꢀunlessꢀotherwiseꢀspecified.ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀ
Typꢀvaluesꢀspecifiedꢀat:ꢀTrefꢀ=ꢀ+25ꢀ°CꢀandꢀVInom.ꢀIOmaxꢀ=ꢀ16ꢀA.ꢀNote:ꢀ+Senseꢀconnectedꢀtoꢀ+Out.ꢀRadjꢀ13.05ꢀkΩ
Characteristics
Conditions
Unit
min
-2
typ
max
+2
dVOi
Outputꢀvoltageꢀadjustedꢀsettingꢀ
Outputꢀvoltageꢀtoleranceꢀband
Idlingꢀvoltage
T
refꢀ
=ꢀ+25ꢀ°C,ꢀVInom,ꢀIOmax
%ꢀVO
%ꢀVO
%ꢀVO
mV
dVO
dVO
dVO
dVO
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
IOꢀ=ꢀ0ꢀA
-3
+3
-2
+2
Lineꢀregulation
VIminꢀ...ꢀVImax,ꢀIOmax
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
2
Loadꢀregulation
25
mV
Loadꢀtransientꢀ
recoveryꢀtime
ttr
Loadꢀstepꢀ=ꢀ0.25-0.75-0.25ꢀxꢀIOmax,ꢀ
dI/dtꢀ=ꢀ5ꢀA/µs,ꢀCOꢀ=ꢀ2ꢀxꢀ150ꢀµF,ꢀ
VIꢀ=ꢀ12ꢀV
40
µs
Vtr
Loadꢀtransientꢀvoltage
Temperatureꢀcoefficient
±100
-0.6
7
mV
mV/°C
ms
ms
ms
s
T
refꢀ
=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀIOmax
Tcoeff
ts
Start-upꢀVI onꢀtoꢀ0.9ꢀxꢀVO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInomꢀ
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ꢀ
tr
Ramp-up,ꢀVI ...ꢀ0.9ꢀxꢀVO
ꢀ
3
tf
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
RCꢀshut-downꢀtimeꢀ0.1ꢀxꢀVOꢀ
RCꢀstart-upꢀtimeꢀ0.9ꢀxꢀVO
RCꢀfallꢀtime,ꢀ0.1ꢀxꢀVO
Outputꢀcurrent
1
tf
20
1
tRC
tRC
tRC
IO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ms
ms
s
7
20
0
16
A
POmax Maxꢀoutputꢀpower
24
19
W
Ilim
VOac
η
Currentꢀlimitingꢀthreshold
T
< Trefmax
A
refꢀ
ꢀ
Outputꢀrippleꢀ
20ꢀHzꢀ...ꢀ5ꢀMHz,ꢀIOmax
IOꢀ=ꢀ0.5ꢀxꢀIOmax,ꢀVOꢀ=ꢀ1.50ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.50ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.50ꢀV
IOꢀ=ꢀ(0...ꢀ1)ꢀxꢀIOmax
50
mVp-p
%
Efficiencyꢀ-ꢀ50%ꢀload
Efficiencyꢀ-ꢀ100%ꢀload
PowerꢀDissipation
88.5
87.6
3.4
η
84.2
260
%
P
4.5
340
10
W
d
Fo
Switchingꢀfrequency
Remoteꢀsenseꢀcurrent
StaticꢀinputꢀcurrentꢀViꢀ=ꢀ8.3ꢀV
300
kHz
mA
A
Isense
II
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.50ꢀV
3.4
5
millionꢀ
hours
MTBF
Predictedꢀreliability
1ꢀ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to 1.ꢃ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Power Dissipation
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Efficiencyꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀTrefꢀ=ꢀ+25ꢀ°C
Dissipatedꢀpowerꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀꢀ
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T
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Availableꢀloadꢀcurrentꢀvs.ꢀambientꢀairꢀtemperatureꢀandꢀ
airflowꢀatꢀVinꢀ=ꢀ12ꢀV.ꢀSeeꢀconditionsꢀonꢀpageꢀ30.
Outputꢀvoltageꢀvs.ꢀloadꢀcurrent.ꢀ
Start-Up
Turn Off
Turn-offꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV.ꢀTurn-offꢀenabledꢀbyꢀdisconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
Start-upꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀꢀ
Vinꢀ=ꢀ12ꢀV.ꢀStartꢀenabledꢀbyꢀconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
1ꢁ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to 1.ꢃ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Output Ripple
Transient
Outputꢀvoltageꢀrippleꢀ(20ꢀmV/div.)ꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV,ꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀload.ꢀ
Bandꢀwidthꢀ=ꢀ5ꢀMHz.ꢀ
Outputꢀvoltageꢀresponseꢀtoꢀloadꢀcurrentꢀstep-changeꢀ
(4-12-4ꢀA)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀVinꢀ=ꢀ12ꢀV.ꢀdI/dtꢀ=ꢀ5ꢀA/µsꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(ac)ꢀ(100ꢀmV/div.).ꢀ
Bottomꢀtrace:ꢀloadꢀcurrentꢀ(dc)ꢀ(10ꢀA/div.)ꢀ
Timeꢀscale:ꢀ0.1ꢀms/div.
Timeꢀscale:ꢀ2ꢀµs/div.
1ꢂ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Output
Adjusted to 1.ꢆ Vout - Data
Trefꢀ=ꢀ–30…+90ꢀ°C,ꢀVIꢀ=ꢀ8.3ꢀ...ꢀ16ꢀVꢀunlessꢀotherwiseꢀspecified.ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀ
Typꢀvaluesꢀspecifiedꢀat:ꢀTrefꢀ=ꢀ+25ꢀ°CꢀandꢀVInom.ꢀIOmaxꢀ=ꢀ16ꢀA.ꢀNote:ꢀ+Senseꢀconnectedꢀtoꢀ+Out.ꢀRadjꢀ9.024ꢀkΩ
Characteristics
Conditions
Unit
min
-2
typ
max
+2
dVOi
Outputꢀvoltageꢀadjustedꢀsettingꢀ
Outputꢀvoltageꢀtoleranceꢀband
Idlingꢀvoltage
T
refꢀ
=ꢀ+25ꢀ°C,ꢀVInom,ꢀIOmax
%ꢀVO
%ꢀVO
%ꢀVO
mV
dVO
dVO
dVO
dVO
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
IOꢀ=ꢀ0ꢀA
-3
+3
-2
+2
Lineꢀregulation
VIminꢀ...ꢀVImax,ꢀIOmax
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
2
Loadꢀregulation
25
mV
Loadꢀtransientꢀ
recoveryꢀtime
ttr
Loadꢀstepꢀ=ꢀ0.25-0.75-0.25ꢀxꢀIOmax,ꢀ
dI/dtꢀ=ꢀ5ꢀA/µs,ꢀCOꢀ=ꢀ2ꢀxꢀ150ꢀµF,ꢀ
VIꢀ=ꢀ12ꢀV
40
µs
Vtr
Loadꢀtransientꢀvoltage
Temperatureꢀcoefficient
±100
-0.6
7
mV
mV/°C
ms
ms
ms
s
T
refꢀ
=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀIOmax
Tcoeff
ts
Start-upꢀVI onꢀtoꢀ0.9ꢀxꢀVO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInomꢀ
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ꢀ
tr
Ramp-up,ꢀVI ...ꢀ0.9ꢀxꢀVO
ꢀ
3
tf
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
RCꢀshut-downꢀtimeꢀ0.1ꢀxꢀVOꢀ
RCꢀstart-upꢀtimeꢀ0.9ꢀxꢀVO
RCꢀfallꢀtime,ꢀ0.1ꢀxꢀVO
Outputꢀcurrent
1
tf
18
1
tRC
tRC
tRC
IO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ms
ms
s
7
18
0
16
A
POmax Maxꢀoutputꢀpower
28.8
19
W
Ilim
VOac
η
Currentꢀlimitingꢀthreshold
T
< Trefmax
A
refꢀ
ꢀ
Outputꢀripple
20ꢀHzꢀ...ꢀ5ꢀMHz,ꢀIOmax
IOꢀ=ꢀ0.5ꢀxꢀIOmax,ꢀVOꢀ=ꢀ1.80ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.80ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.80ꢀV
IOꢀ=ꢀ(0...ꢀ1)ꢀxꢀIOmax
50
mVp-p
%
Efficiencyꢀ-ꢀ50%ꢀload
Efficiencyꢀ-ꢀ100%ꢀload
PowerꢀDissipation
89.9
89.1
3.5
η
86.1
260
%
P
4.6
340
10
W
d
Fo
Switchingꢀfrequency
Remoteꢀsenseꢀcurrent
StaticꢀinputꢀcurrentꢀViꢀ=ꢀ8.3ꢀV
300
kHz
mA
A
Isense
II
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ1.80ꢀV
4.0
5
millionꢀ
hours
MTBF
Predictedꢀreliability
1ꢃ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to 1.ꢆ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Efficiency
Power Dissipation
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Dissipatedꢀpowerꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀꢀ
ref=+25ꢀ°C
Efficiencyꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀTrefꢀ=ꢀ+25ꢀ°C
T
Output Current Derating at 1ꢀ V input
Output Characteristic
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Availableꢀloadꢀcurrentꢀvs.ꢀambientꢀairꢀtemperatureꢀandꢀ
airflowꢀatꢀVinꢀ=ꢀ12ꢀV.ꢀSeeꢀconditionsꢀonꢀpageꢀ30.
Outputꢀvoltageꢀvs.ꢀloadꢀcurrent.ꢀ
Turn Off
Start-Up
Turn-offꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV.ꢀTurn-offꢀenabledꢀbyꢀdisconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
Start-upꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀꢀ
Vinꢀ=ꢀ12ꢀV.ꢀStartꢀenabledꢀbyꢀconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
1ꢄ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to 1.ꢆ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Output Ripple
Transient
Outputꢀvoltageꢀrippleꢀ(20ꢀmV/div.)ꢀatꢀTref=+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV,ꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀload.ꢀ
Bandꢀwidthꢀ=ꢀ5ꢀMHz.ꢀ
Outputꢀvoltageꢀresponseꢀtoꢀloadꢀcurrentꢀstep-changeꢀ
(4-12-4ꢀA)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀVinꢀ=ꢀ12ꢀV.ꢀdI/dtꢀ=ꢀ5ꢀA/µsꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(ac)ꢀ(100ꢀmV/div.).ꢀ
Bottomꢀtrace:ꢀloadꢀcurrentꢀ(dc)ꢀ(10ꢀA/div.)ꢀ
Timeꢀscale:ꢀ0.1ꢀms/div.
Timeꢀscale:ꢀ2ꢀµs/div.
1ꢅ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Output
Adjusted to ꢀ.ꢃ Vout - Data
Trefꢀ=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀVIꢀ=ꢀ8.3ꢀ...ꢀ16ꢀVꢀunlessꢀotherwiseꢀspecified.ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀ
Typꢀvaluesꢀspecifiedꢀat:ꢀTrefꢀ=ꢀ+25ꢀ°CꢀandꢀVInom.ꢀIOmaxꢀ=ꢀ16ꢀA.ꢀNote:ꢀ+Senseꢀconnectedꢀtoꢀ+Out.ꢀꢀRadjꢀ5-009ꢀkΩ
Characteristics
Conditions
Unit
min
-2
typ
max
+2
dVOi
Outputꢀvoltageꢀadjustedꢀsettingꢀ
Outputꢀvoltageꢀtoleranceꢀband
Idlingꢀvoltage
T
refꢀ
=ꢀ+25ꢀ°C,ꢀVInom,ꢀIOmax
%ꢀVO
%ꢀVO
%ꢀVO
mV
dVO
dVO
dVO
dVO
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
IOꢀ=ꢀ0ꢀA
-3
+3
-2
+2
Lineꢀregulation
VIminꢀ...ꢀVImax,ꢀIOmax
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
6
Loadꢀregulation
25
mV
Loadꢀtransientꢀ
recoveryꢀtime
ttr
Loadꢀstepꢀ=ꢀ0.25-0.75-0.25ꢀxꢀIOmax,ꢀ
dI/dtꢀ=ꢀ5ꢀA/µs,ꢀCOꢀ=ꢀ2ꢀxꢀ150ꢀµF,ꢀ
VIꢀ=ꢀ12ꢀV
40
µs
Vtr
Loadꢀtransientꢀvoltage
Temperatureꢀcoefficient
±140
-0.6
7
mV
mV/°C
ms
ms
ms
s
T
refꢀ
=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀIOmax
Tcoeff
ts
Start-upꢀVI onꢀtoꢀ0.9ꢀxꢀVO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInomꢀ
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ꢀ
tr
Ramp-up,ꢀVI ...ꢀ0.9ꢀxꢀVO
ꢀ
3
tf
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
RCꢀshut-downꢀtimeꢀ0.1ꢀxꢀVO
RCꢀstart-upꢀtimeꢀ0.9ꢀxꢀVOꢀ
RCꢀfallꢀtime,ꢀ0.1ꢀxꢀVO
Outputꢀcurrent
1
tf
16
1
tRC
tRC
tRC
IO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ms
ms
s
7
16
0
16
A
POmax Maxꢀoutputꢀpower
40
19
W
Ilim
VOac
η
Currentꢀlimitingꢀthreshold
T
< Trefmax
A
refꢀ
ꢀ
Outputꢀrippleꢀ
20ꢀHzꢀ...ꢀ5ꢀMHz,ꢀIOmax
IOꢀ=ꢀ0.5ꢀxꢀIOmax,ꢀVOꢀ=ꢀ2.50ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ2.50ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ2.50ꢀV
IOꢀ=ꢀ(0...ꢀ1)ꢀxꢀIOmax
50
mVp-p
%
Efficiencyꢀ-ꢀ50%ꢀload
Efficiencyꢀ-ꢀ100%ꢀload
PowerꢀDissipation
91.9
91.3
3.8
η
88.8
260
%
P
5.0
340
10
W
d
Fo
Switchingꢀfrequency
Remoteꢀsenseꢀcurrent
StaticꢀinputꢀcurrentꢀViꢀ=ꢀ8.3ꢀV
300
kHz
mA
A
Isense
II
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ2.50ꢀV
5.3
5
millionꢀ
hours
MTBF
Predictedꢀreliability
1ꢆ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to ꢀ.ꢃ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Efficiency
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Efficiencyꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀTrefꢀ=ꢀ+25ꢀ°C
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T
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Outputꢀvoltageꢀvs.ꢀloadꢀcurrent.ꢀ
Availableꢀloadꢀcurrentꢀvs.ꢀambientꢀairꢀtemperatureꢀandꢀ
airflowꢀatꢀVinꢀ=ꢀ12ꢀV.ꢀSeeꢀconditionsꢀonꢀpageꢀ30.
Turn Off
Start-Up
Turn-offꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV.ꢀTurn-offꢀenabledꢀbyꢀdisconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
Start-upꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀꢀ
Vinꢀ=ꢀ12ꢀV.ꢀStartꢀenabledꢀbyꢀconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
1ꢇ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to ꢀ.ꢃ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Output Ripple
Transient
Outputꢀvoltageꢀrippleꢀ(20ꢀmV/div.)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV,ꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀload.ꢀ
Bandꢀwidthꢀ=ꢀ5ꢀMHz.ꢀ
Outputꢀvoltageꢀresponseꢀtoꢀloadꢀcurrentꢀstep-changeꢀ
(4-12-4ꢀA)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀVinꢀ=ꢀ12ꢀV.ꢀdI/dtꢀ=ꢀ5ꢀA/µsꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(ac)ꢀ(100ꢀmV/div.).ꢀ
Bottomꢀtrace:ꢀloadꢀcurrentꢀ(dc)ꢀ(10ꢀA/div.)ꢀ
Timeꢀscale:ꢀ0.1ꢀms/div.
Timeꢀscale:ꢀ2ꢀµs/div.
ꢀ0
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Output
Adjusted to ꢁ.ꢁ Vout - Data
Trefꢀ=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀVIꢀ=ꢀ8.3ꢀ...ꢀ16ꢀVꢀunlessꢀotherwiseꢀspecified.ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀ
Typꢀvaluesꢀspecifiedꢀat:ꢀT ꢀ=ꢀ+25ꢀ°CꢀandꢀVInom.ꢀIOmaxꢀ=ꢀ16ꢀA.ꢀꢀNote:ꢀ+Senseꢀconnectedꢀtoꢀ+Out.ꢀRadjꢀ3.122ꢀkΩ
ref
Characteristics
Conditions
Unit
min
-2
typ
max
+2
dVOi
Outputꢀvoltageꢀadjustedꢀsettingꢀ
Outputꢀvoltageꢀtoleranceꢀband
Idlingꢀvoltage
T
refꢀ
=ꢀ+25ꢀ°C,ꢀVInom,ꢀIOmax
%ꢀVO
%ꢀVO
%ꢀVO
mV
dVO
dVO
dVO
dVO
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
IOꢀ=ꢀ0ꢀA
-3
+3
-2
+2
Lineꢀregulation
VIminꢀ...ꢀVImax,ꢀIOmax
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
6
Loadꢀregulation
25
mV
Loadꢀtransientꢀ
recoveryꢀtime
ttr
Loadꢀstepꢀ=ꢀ0.25-0.75-0.25ꢀxꢀIOmax,ꢀ
dI/dtꢀ=ꢀ5ꢀA/µs,ꢀCOꢀ=ꢀ2ꢀxꢀ150ꢀµF,ꢀ
VIꢀ=ꢀ12ꢀV
40
µs
Vtr
Loadꢀtransientꢀvoltage
Temperatureꢀcoefficient
±140
-0.6
7
mV
mV/°C
ms
ms
ms
s
T
refꢀ
=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀIOmax
Tcoeff
ts
Start-upꢀVI onꢀtoꢀ0.9ꢀxꢀVO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInomꢀ
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ꢀ
tr
Ramp-up,ꢀVI ...ꢀ0.9ꢀxꢀVO
ꢀ
3
tf
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
RCꢀshut-downꢀtimeꢀ0.1ꢀxꢀVOꢀ
RCꢀstart-upꢀtimeꢀꢀ0.9ꢀxꢀVO
RCꢀfallꢀtime,ꢀ0.1ꢀxꢀVO
Outputꢀcurrent
1
tf
17
1
tRC
tRC
tRC
IO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ms
ms
s
7
17
0
16
A
POmax Maxꢀoutputꢀpower
52.8
19
W
Ilim
VOac
η
Currentꢀlimitingꢀthreshold
T
< Trefmax
A
refꢀ
ꢀ
Outputꢀrippleꢀ
20ꢀHzꢀ...ꢀ5ꢀMHz,ꢀIOmax
IOꢀ=ꢀ0.5ꢀxꢀIOmax,ꢀVOꢀ=ꢀ3.30ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ3.30ꢀV
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ3.30ꢀV
IOꢀ=ꢀ(0...ꢀ1)ꢀxꢀIOmax
50
mVp-p
%
Efficiencyꢀ-ꢀ50%ꢀload
Efficiencyꢀ-ꢀ100%ꢀload
PowerꢀDissipation
93.2
92.9
4.0
η
90.6
260
%
P
5.5
340
10
W
d
Fo
Switchingꢀfrequency
Remoteꢀsenseꢀcurrent
StaticꢀinputꢀcurrentꢀViꢀ=ꢀ8.3ꢀV
300
kHz
mA
A
Isense
II
IOꢀ=ꢀIOmax,ꢀVOꢀ=ꢀ3.30ꢀV
6.9
5
millionꢀ
hours
MTBF
Predictedꢀreliability
ꢀ1
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to ꢁ.ꢁ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀ
Efficiency
Power Dissipation
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Efficiencyꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀTrefꢀ=ꢀ+25ꢀ°C
Dissipatedꢀpowerꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀꢀ
refꢀ=ꢀ+25ꢀ°C
T
Output Current Derating at 1ꢀ V input
Output Characteristic
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Availableꢀloadꢀcurrentꢀvs.ꢀambientꢀairꢀtemperatureꢀandꢀ
airflowꢀatꢀVinꢀ=ꢀ12ꢀV.ꢀSeeꢀconditionsꢀonꢀpageꢀ30.
Outputꢀvoltageꢀvs.ꢀloadꢀcurrent.ꢀ
Start-Up
Turn Off
Turn-offꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀꢀ
Vinꢀ=ꢀ12ꢀV.ꢀTurn-offꢀenabledꢀbyꢀdisconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
Start-upꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀꢀ
Vinꢀ=ꢀ12ꢀV.ꢀStartꢀenabledꢀbyꢀconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(1ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
ꢀꢀ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to ꢁ.ꢁ Vout - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Output Ripple
Transient
Outputꢀvoltageꢀresponseꢀtoꢀloadꢀcurrentꢀstep-changeꢀ
(4-12-4ꢀA)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀVinꢀ=ꢀ12ꢀV.ꢀdI/dtꢀ=ꢀ5ꢀA/µsꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(ac)ꢀ(100ꢀmV/div.).ꢀ
Bottomꢀtrace:ꢀloadꢀcurrentꢀ(dc)ꢀ(10ꢀA/div.)ꢀ
Timeꢀscale:ꢀ0.1ꢀms/div.
Outputꢀvoltageꢀrippleꢀ(20ꢀmV/div.)ꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV,ꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀload.ꢀ
Bandꢀwidthꢀ=ꢀ5ꢀMHz.ꢀ
Timeꢀscale:ꢀ2ꢀµs/div.
ꢀꢁ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Output
Adjusted to ꢃ.0 Vout - Data
Trefꢀ=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀVIꢀ=ꢀ8.3ꢀ...16ꢀVꢀunlessꢀotherwiseꢀspecified.ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀ
Typꢀvaluesꢀspecifiedꢀat:ꢀT ꢀ=ꢀ+25ꢀ°CꢀandꢀVInom.ꢀIOmaxꢀ=ꢀ16ꢀA.ꢀNote:ꢀ+Senseꢀconnectedꢀtoꢀ+Out.ꢀRadjꢀ1.472ꢀkΩ
ref
Characteristics
Conditions
Unit
min
-2
typ
max
+2
dVOi
Outputꢀvoltageꢀadjustedꢀsettingꢀ
Outputꢀvoltageꢀtoleranceꢀband
Idlingꢀvoltage
T
refꢀ
=ꢀ+25ꢀ°C,ꢀVInom,ꢀIOmax
%ꢀVO
%ꢀVO
%ꢀVO
mV
dVO
dVO
dVO
dVO
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
IOꢀ=ꢀ0ꢀA
-3
+3
-2
+2
Lineꢀregulation
VIminꢀ...ꢀVImax,ꢀIOmax
IOꢀ=ꢀ0.01...1.0ꢀxꢀIOmax
12
25
Loadꢀregulation
mV
Loadꢀtransientꢀ
recoveryꢀtime
ttr
40
µs
Loadꢀstepꢀ=ꢀ0.25-0.75-0.25ꢀxꢀIOmax,ꢀ
dI/dtꢀ=ꢀ5ꢀA/µs,ꢀCOꢀ=ꢀ2ꢀxꢀ150ꢀµF,ꢀ
VIꢀ=ꢀ12V
-150
+190
Vtr
Loadꢀtransientꢀvoltage
Temperatureꢀcoefficient
mV
T
refꢀ
=ꢀ-30ꢀ...ꢀ+90ꢀ°C,ꢀIOmax
-0.6
7
mV/°C
ms
ms
ms
s
Tcoeff
ts
Start-upꢀVI onꢀtoꢀ0.9ꢀxꢀVO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInomꢀ
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ꢀ
tr
Ramp-up,ꢀVI ...ꢀ0.9ꢀxꢀVO
ꢀ
3
tf
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
Fallꢀtime,ꢀVIꢀtoꢀ0.1ꢀxꢀVO
RCꢀshut-downꢀtimeꢀ0.1ꢀxꢀVOꢀ
RCꢀstart-upꢀtimeꢀ0.9ꢀxꢀVO
RCꢀfallꢀtime,ꢀ0.1ꢀxꢀVO
Outputꢀcurrent
1
tf
16
1
tRC
tRC
tRC
IO
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀIOmax,ꢀVInom
IOꢀ=ꢀ0ꢀA,ꢀVInom
ms
ms
s
7
15
0
16
A
POmax Maxꢀoutputꢀpower
80
19
W
Ilim
VOac
η
Currentꢀlimitingꢀthreshold
T
< Trefmax
A
refꢀ
ꢀ
Outputꢀrippleꢀ
20ꢀHzꢀ...ꢀ5ꢀMHz,ꢀIOmax
IOꢀ=ꢀ0.5ꢀxꢀꢀIOmax,ꢀVOꢀ=ꢀ3.30ꢀV
IOꢀ=ꢀꢀIOmax,ꢀVOꢀ=ꢀ3.30ꢀV
IOꢀ=ꢀꢀIOmax,ꢀVOꢀ=ꢀ3.30ꢀV
IOꢀ=ꢀ(0...ꢀ1)ꢀxꢀIOmax
50
mVp-p
%
Efficiencyꢀ-ꢀ50%ꢀload
Efficiencyꢀ-ꢀ100%ꢀload
PowerꢀDissipation
94.9
94.7
4.5
η
91.3
260
%
P
7.6
340
10
W
d
Fo
Switchingꢀfrequency
Remoteꢀsenseꢀcurrent
StaticꢀinputꢀcurrentꢀViꢀ=ꢀ8.3ꢀV
300
kHz
mA
A
Isense
II
IOꢀ=ꢀꢀIOmax,ꢀVOꢀ=ꢀ3.30ꢀV
10.2
5
millionꢀ
hours
MTBF
Predictedꢀreliability
ꢀꢂ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to ꢃ.0 V out - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀ
Efficiency
Power Dissipation
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Efficiencyꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀTrefꢀ=ꢀ+25ꢀ°C
Dissipatedꢀpowerꢀvs.ꢀloadꢀcurrentꢀandꢀinputꢀvoltageꢀatꢀꢀ
refꢀ=ꢀ+25ꢀ°C
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Availableꢀloadꢀcurrentꢀvs.ꢀambientꢀairꢀtemperatureꢀandꢀ
airflowꢀatꢀVinꢀ=ꢀ12ꢀV.ꢀSeeꢀconditionsꢀonꢀpageꢀ30.
Outputꢀvoltageꢀvs.ꢀloadꢀcurrent.ꢀ
Start-Up
Turn Off
Turn-offꢀatꢀIOꢀ=16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀꢀ
Vinꢀ=ꢀ12ꢀV.ꢀTurn-offꢀenabledꢀbyꢀdisconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(2ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
Start-upꢀatꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀloadꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀꢀ
Vinꢀ=ꢀ12ꢀV.ꢀStartꢀenabledꢀbyꢀconnectingꢀVin.ꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(2ꢀV/div.).ꢀ
Bottomꢀtrace:ꢀinputꢀvoltageꢀ(10ꢀV/div.).ꢀ
Timeꢀscale:ꢀ2ꢀms/div.
ꢀꢃ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Adjusted to ꢃ.0 V out - Typical Characteristics
Generalꢀconditions:ꢀInputꢀfilterꢀ4ꢀxꢀ4.7ꢀµF,ꢀOutputꢀfilterꢀ2ꢀxꢀ150ꢀµF
Output Ripple
Transient
Outputꢀvoltageꢀresponseꢀtoꢀloadꢀcurrentꢀstep-changeꢀ
(4-12-4ꢀA)ꢀatꢀTrefꢀ=+25ꢀ°C,ꢀVinꢀ=ꢀ12ꢀV.ꢀdI/dtꢀ=ꢀ5ꢀA/µsꢀ
Topꢀtrace:ꢀoutputꢀvoltageꢀ(ac)ꢀ(100ꢀmV/div.).ꢀ
Bottomꢀtrace:ꢀloadꢀcurrentꢀ(dc)ꢀ(10ꢀA/div.)ꢀ
Timeꢀscale:ꢀ0.1ꢀms/div.
Outputꢀvoltageꢀrippleꢀ(20ꢀmV/div.)ꢀatꢀTrefꢀ=ꢀ+25ꢀ°C,ꢀ
Vinꢀ=ꢀ12ꢀV,ꢀIOꢀ=ꢀ16ꢀAꢀresistiveꢀload.ꢀ
Bandꢀwidthꢀ=ꢀ5ꢀMHz.ꢀ
Timeꢀscale:ꢀ2ꢀµs/div.
ꢀꢄ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
EMC Specification
TheꢀconductedꢀEMIꢀmeasurementꢀwasꢀperformedꢀusingꢀa
Layout Recommendation
regulatorꢀplacedꢀdirectlyꢀonꢀtheꢀtestꢀbench.ꢀTheꢀfundamental
switchingꢀfrequencyꢀforꢀPMCꢀ8000ꢀisꢀ300ꢀkHz.ꢀTheꢀmeasurementꢀ
belowꢀhasꢀbeenꢀperformedꢀwithꢀVinꢀ=ꢀ12ꢀV,ꢀVoutꢀ=ꢀ5ꢀVꢀꢀandꢀmaxꢀload.ꢀ
Inputꢀfilterꢀ4ꢀxꢀ4.7ꢀµFꢀandꢀoutputꢀfilterꢀ2ꢀxꢀ150ꢀµFꢀwasꢀusedꢀduringꢀtheꢀ
TheꢀradiatedꢀEMIꢀperformanceꢀofꢀtheꢀDC/DCꢀregulatorꢀwillꢀbeꢀopti-
misedꢀbyꢀincludingꢀaꢀgroundꢀplaneꢀinꢀtheꢀPCBꢀareaꢀunderꢀtheꢀDC/
DCꢀregulator.ꢀThisꢀapproachꢀwillꢀreturnꢀswitchingꢀnoiseꢀtoꢀgroundꢀ
asꢀdirectlyꢀasꢀpossible,ꢀwithꢀimprovementsꢀtoꢀbothꢀemissionsꢀandꢀ
susceptibility.ꢀ
measurement.ꢀ
Conducted EMIꢀInputꢀterminalꢀvalueꢀ(typ)
Output ripple and noise
Level [dBµA]
100
Theꢀcircuitꢀbelowꢀhasꢀbeenꢀusedꢀforꢀtheꢀrippleꢀandꢀnoiseꢀmeasure-
mentsꢀonꢀtheꢀPMCꢀ8000ꢀSeriesꢀDC/DCꢀregulators.ꢀ
80
60
40
20
-PXꢀ&43ꢀ1PMZNFS
$BQBDJUPS
ꢁ7PVU
ꢁ4FOTF
ꢁ
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5SJN
0
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#/$
$POOFDUPS
UPꢀ4DPQF
-10
150k 300k 500k
1M
2M 3M
5M 7M 10M
30M
Frequency [Hz]
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PMC 8818.
Output ripple and noise test setup
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ꢁꢂꢀDN
ꢃꢀDN
EN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
ꢀꢅ
Operating Information
Turn off input voltage
Output Voltage Adjust (Vadj
)
TheꢀPMCꢀ8000ꢀSeriesꢀDC/DCꢀregulatorsꢀmonitorꢀtheꢀinputꢀvoltageꢀ
andꢀwillꢀturnꢀonꢀandꢀturnꢀoffꢀatꢀpredeterminedꢀlevels.ꢀTheꢀminimumꢀ
hysteresisꢀbetweenꢀturnꢀonꢀandꢀturnꢀoffꢀinputꢀvoltageꢀisꢀ0.2ꢀVꢀwhereꢀ
AllꢀPMCꢀ8000ꢀSeriesꢀDC/DCꢀregulatorsꢀhaveꢀanꢀOutputꢀVoltageꢀ
adjustꢀpinꢀ(Vadj).ꢀThisꢀpinꢀcanꢀbeꢀusedꢀtoꢀadjustꢀtheꢀoutputꢀvoltageꢀ
aboveꢀoutputꢀvoltageꢀinitialꢀsettingꢀ(0.75ꢀV).ꢀWhenꢀincreasingꢀtheꢀ
outputꢀvoltageꢀtheꢀmaximumꢀpowerꢀratingꢀofꢀtheꢀconverterꢀremainsꢀ
theꢀsame,ꢀandꢀtheꢀoutputꢀcurrentꢀcapabilityꢀwillꢀthereforeꢀdecreaseꢀ
correspondingly.ꢀToꢀincreaseꢀtheꢀoutputꢀvoltageꢀaꢀresistorꢀorꢀaꢀvolt-
ageꢀsignalꢀshouldꢀbeꢀconnected/appliedꢀbetweenꢀVadjꢀpinꢀandꢀGND.ꢀ
Theꢀresistor/voltageꢀsignalꢀvalueꢀforꢀsomeꢀstandardꢀoutputꢀtrimsꢀareꢀ
givenꢀbelow,ꢀforꢀotherꢀvoltageꢀsetꢀpointsꢀuseꢀtheꢀformulasꢀtoꢀcalcu-
lateꢀtheꢀcorrectꢀresistorꢀorꢀvoltageꢀsignal.ꢀForꢀoutputꢀvoltagesꢀofꢀ5.25ꢀ
theꢀturnꢀonꢀinputꢀvoltageꢀisꢀtheꢀhighest.
Remote Control (RC)
StandardꢀVersionꢀwithꢀ"positiveꢀlogic".
TheꢀRCꢀpinꢀmayꢀbeꢀusedꢀtoꢀturnꢀonꢀorꢀturnꢀoffꢀtheꢀregulatorꢀusingꢀaꢀ
suitableꢀopenꢀcollectorꢀfunction.ꢀ
TurnꢀoffꢀisꢀachievedꢀbyꢀconnectingꢀtheꢀRCꢀpinꢀtoꢀground.ꢀꢀ
TheꢀregulatorꢀwillꢀrunꢀinꢀnormalꢀoperationꢀwhenꢀtheꢀRCꢀpinꢀisꢀleftꢀ
open.ꢀ
Vꢀandꢀhigherꢀtheꢀinputꢀvoltageꢀisꢀrestrictedꢀtoꢀmaximumꢀ14ꢀVin.
Formulaꢀ1:ꢀꢀRadjꢀ=ꢀ(10ꢀ500ꢀ/ꢀ(Voutꢀ–ꢀ0.7525))ꢀ–ꢀ1000ꢀ(ohm)
Formulaꢀ2:ꢀꢀVtrimꢀ=ꢀꢀ(0.7ꢀ–ꢀ0.0667ꢀxꢀ(Voutꢀ–ꢀ0.7525))ꢀ(V)
Regulatorꢀ
condition
RC
min
typ
max
Unit
Lowꢀlevelꢀ
OFF
-0.3
1.7
0.3
16
V
V
referencedꢀtoꢀGND
Open
ON
Voutꢀ(V)
0.75
1.0
Radjꢀ(kohm)
Open
Vtrimꢀ(V)
Open
0.684
0.670
0.650
0.630
0.583
0.530
0.417
0.383
+IN
41.42ꢀ
22.46ꢀ
13.05ꢀ
9.024ꢀ
5.009ꢀ
3.122ꢀ
1.472ꢀ
1.212
1.2
+IN
1.5
RC
1.8
Module
2.5
GND
3.3
5.00
5.50
Optionꢀ"negativeꢀlogic"
TheꢀRCꢀpinꢀmayꢀbeꢀusedꢀtoꢀturnꢀonꢀorꢀturnꢀoffꢀtheꢀregulatorꢀusingꢀaꢀ
suitableꢀopenꢀcollectorꢀfunction.ꢀ
TurnꢀoffꢀisꢀachievedꢀbyꢀconnectingꢀtheꢀRCꢀpinꢀtoꢀtheꢀinputꢀvoltage.ꢀ
TheꢀregulatorꢀwillꢀrunꢀinꢀnormalꢀoperationꢀwhenꢀtheꢀRCꢀpinꢀisꢀleftꢀ
open.ꢀ
ꢀ0VU
+Out
4FOTF
Sense
Regulatorꢀ
condition
-PBE
RC
min
1.7
typ
max
16
Unit
V
Load
7
V
BEK
adj
ꢀ
ꢁ
Highꢀlevelꢀ
R
adj
OFF
referencedꢀtoꢀGND
Open
ON
(/%
GND
Circuitꢀconfigurationꢀforꢀoutputꢀvoltageꢀadjust
V
i
V
i
Input Voltage
Theꢀinputꢀvoltageꢀrangeꢀ8.3…16ꢀVdcꢀmakesꢀtheꢀPMCꢀ8000ꢀeasyꢀ
toꢀuseꢀinꢀintermediateꢀbusꢀapplicationsꢀwhenꢀpoweredꢀbyꢀaꢀnon-
regulatedꢀbusꢀconverterꢀorꢀaꢀregulatedꢀbusꢀconverter.ꢀForꢀoutputꢀ
voltageꢀtrimsꢀoverꢀ5.25ꢀVoutꢀtheꢀinputꢀvoltageꢀmustꢀbeꢀreducedꢀtoꢀaꢀ
maximumꢀofꢀ14ꢀVꢀinꢀorderꢀtoꢀmaintainꢀspecifiedꢀdata.
RC
Module
GND
EN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
ꢀꢆ
Operating Information
Remote Sense
OptionalꢀInputꢀFilter
Toꢀminimizeꢀinputꢀrippleꢀandꢀtoꢀensureꢀevenꢀbetterꢀstabilityꢀmoreꢀ
capacitorsꢀcanꢀbeꢀadded,ꢀseeꢀtableꢀbelow.ꢀ
Considerꢀtheꢀmaxꢀoutputꢀpowerꢀinꢀaꢀgivenꢀapplicationꢀandꢀchooseꢀ
sufficientꢀcapacitorsꢀtoꢀobtainꢀdesiredꢀrippleꢀlevel.ꢀMakeꢀsureꢀthatꢀ
theꢀextraꢀcapacitorsꢀareꢀplacedꢀnearꢀtheꢀinputꢀpins.
Theꢀtableꢀbelowꢀisꢀjustꢀanꢀexampleꢀsinceꢀtheꢀboardꢀlayoutꢀalsoꢀhasꢀ
AllꢀPMCꢀ8000ꢀSeriesꢀDC/DCꢀregulatorsꢀhaveꢀaꢀpositiveꢀremoteꢀsenseꢀ
pinꢀthatꢀcanꢀbeꢀusedꢀtoꢀcompensateꢀforꢀmoderateꢀamountsꢀofꢀresist-
anceꢀinꢀtheꢀdistributionꢀsystemꢀandꢀallowꢀforꢀvoltageꢀregulationꢀatꢀtheꢀ
loadꢀorꢀotherꢀselectedꢀpoint.ꢀTheꢀremoteꢀsenseꢀlineꢀwillꢀcarryꢀveryꢀlit-
tleꢀcurrentꢀandꢀdoesꢀnotꢀneedꢀaꢀlargeꢀcrossꢀsectionalꢀarea.ꢀHowever,ꢀ
theꢀsenseꢀlineꢀonꢀtheꢀPCBꢀshouldꢀbeꢀlocatedꢀcloseꢀtoꢀaꢀgroundꢀtraceꢀ
orꢀgroundꢀplane.ꢀTheꢀremoteꢀsenseꢀcircuitryꢀwillꢀcompensateꢀforꢀupꢀ
toꢀ10%ꢀvoltageꢀdropꢀbetweenꢀtheꢀsenseꢀvoltageꢀandꢀtheꢀvoltageꢀatꢀ
theꢀoutputꢀpinsꢀfromꢀVOnom.ꢀIfꢀtheꢀremoteꢀsenseꢀisꢀnotꢀneededꢀtheꢀ
effectꢀonꢀtheꢀresult.
senseꢀpinꢀshouldꢀbeꢀleftꢀopenꢀorꢀconnectedꢀtoꢀtheꢀpositiveꢀoutput.
Desiredꢀinputꢀrippleꢀ(mVp-p
)
Outputꢀpower
150
250
500
-----
0-20ꢀW
20-40ꢀW
40-60ꢀW
60-80ꢀW
2ꢀxꢀ4.7ꢀµFꢀ
5ꢀxꢀ4.7ꢀµF
8 x 4.7ꢀµF
11ꢀx 4.7ꢀµF
-----
2ꢀxꢀ4.7ꢀµF
4 xꢀ4.7ꢀµF
7ꢀx 4.7ꢀµF
-----
Current Limit Protection
2ꢀx 4.7ꢀµF
4ꢀxꢀ4.7ꢀµF
TheꢀPMCꢀ8000ꢀSeriesꢀDC/DCꢀregulatorsꢀincludeꢀcurrentꢀlimitingꢀcir-
cuitryꢀthatꢀallowsꢀthemꢀtoꢀwithstandꢀcontinuousꢀoverloadsꢀorꢀshortꢀ
circuitꢀconditionsꢀonꢀtheꢀoutput.ꢀTheꢀoutputꢀvoltageꢀwillꢀdecreaseꢀ
towardsꢀzeroꢀforꢀoutputꢀcurrentsꢀinꢀexcessꢀofꢀmaxꢀoutputꢀcurrentꢀ
(Iomax).ꢀWhenꢀtheꢀcurrentꢀlimitꢀisꢀreachedꢀtheꢀregulatorꢀwillꢀgoꢀintoꢀ
hiccupꢀmode.
Theꢀcurrentꢀlimitꢀisꢀtemperatureꢀdependent,ꢀi.e.ꢀtheꢀlimitꢀdecreaseꢀatꢀ
higherꢀoperatingꢀtemperature,ꢀtheꢀregulatorꢀisꢀguaranteedꢀtoꢀstartꢀatꢀ
IOmaxꢀxꢀ1.25ꢀ@ꢀTrefꢀ115°C.
Note:ꢀAllꢀoutputꢀcharacteristicsꢀinꢀtheꢀdatasheetꢀareꢀmeasuredꢀwithꢀ4*4.7µFꢀatꢀtheꢀinputꢀpins.
Requiredꢀoutputꢀfilter
Externalꢀoutputꢀcapacitanceꢀisꢀalsoꢀrequiredꢀtoꢀreduceꢀtheꢀoutputꢀ
rippleꢀandꢀtoꢀobtainꢀspecifiedꢀloadꢀstepꢀresponse.ꢀItꢀisꢀrecom-
mendedꢀtoꢀuseꢀlowꢀESRꢀpolymerꢀcapacitorsꢀorꢀlowꢀESRꢀceramicꢀ
capacitors.ꢀ
Theꢀregulatorꢀwillꢀresumeꢀnormalꢀoperationꢀafterꢀremovalꢀofꢀtheꢀ
overload.ꢀTheꢀloadꢀdistributionꢀsystemꢀshouldꢀbeꢀdesignedꢀtoꢀcarryꢀ
Minimumꢀrequirement:ꢀ
theꢀmaximumꢀoutputꢀshortꢀcircuitꢀcurrentꢀspecified.
PMCꢀ8818TꢀSꢀ
2ꢀxꢀ150ꢀµF. (low ESR polymer type).
This is the output filter used in the verification and a requirement
to meet the specification.
Over Temperature Protection (OTP)
TheꢀPMCꢀ8000ꢀSeriesꢀDC/DCꢀregulatorsꢀareꢀprotectedꢀfromꢀthermalꢀ
overloadꢀbyꢀanꢀinternalꢀoverꢀtemperatureꢀshutdownꢀcircuit.ꢀWhenꢀ
theꢀPCBꢀtemperatureꢀnearꢀtheꢀICꢀcircuitꢀreachesꢀ130ꢀ°Cꢀtheꢀcon-
verterꢀwillꢀshutꢀdownꢀimmediately.ꢀTheꢀregulatorꢀwillꢀmakeꢀcontinu-
ousꢀattemptsꢀtoꢀstartꢀupꢀ(non-latchingꢀmode)ꢀandꢀresumeꢀnormalꢀ
operationꢀautomaticallyꢀwhenꢀtheꢀtemperatureꢀhasꢀdroppedꢀbelowꢀ
Maximum Capacitive Load
Whenꢀpoweringꢀloadsꢀwithꢀsignificantꢀdynamicꢀcurrentꢀrequirements,ꢀ
theꢀvoltageꢀregulationꢀatꢀtheꢀloadꢀcanꢀbe
improvedꢀbyꢀadditionꢀofꢀdecouplingꢀcapacitanceꢀatꢀtheꢀload.ꢀTheꢀ
mostꢀeffectiveꢀtechniqueꢀisꢀtoꢀlocateꢀlowꢀESRꢀceramicꢀcapacitorsꢀasꢀ
closeꢀtoꢀtheꢀloadꢀasꢀpossible,ꢀusingꢀseveralꢀcapacitorsꢀtoꢀlowerꢀtheꢀ
totalꢀESR.ꢀTheseꢀceramicꢀcapacitorsꢀwillꢀhandleꢀshortꢀdurationꢀhigh-
frequencyꢀcomponentsꢀofꢀdynamicꢀloadꢀchanges.ꢀInꢀaddition,ꢀhigherꢀ
valuesꢀofꢀcapacitorsꢀ(electrolyticꢀcapacitors)ꢀshouldꢀbeꢀusedꢀtoꢀ
handleꢀtheꢀmid-frequencyꢀcomponents.ꢀItꢀisꢀequallyꢀimportantꢀtoꢀuseꢀ
goodꢀdesignꢀpracticeꢀwhenꢀconfiguringꢀtheꢀDCꢀdistributionꢀsystem.
theꢀtemperatureꢀthreshold.
Input And Output Impedance
Theꢀimpedanceꢀofꢀbothꢀtheꢀpowerꢀsourceꢀandꢀtheꢀloadꢀwillꢀinteractꢀ
withꢀtheꢀimpedanceꢀofꢀtheꢀDC/DCꢀregulator.ꢀItꢀisꢀmostꢀimportantꢀ
toꢀhaveꢀaꢀlowꢀcharacteristicꢀimpedance,ꢀbothꢀatꢀtheꢀinputꢀandꢀ
output,ꢀasꢀtheꢀregulatorsꢀhaveꢀaꢀlowꢀenergyꢀstorageꢀcapability.ꢀ
Useꢀcapacitorsꢀacrossꢀtheꢀinputꢀifꢀtheꢀsourceꢀinductanceꢀisꢀgreaterꢀ
thanꢀ4.7ꢀµH.ꢀSuitableꢀinputꢀcapacitorsꢀareꢀ22ꢀµFꢀ-ꢀ220ꢀµFꢀlowꢀESRꢀ
LowꢀresistanceꢀandꢀlowꢀinductanceꢀPCBꢀlayoutsꢀandꢀcablingꢀshouldꢀ
beꢀused.ꢀRememberꢀthatꢀwhenꢀusingꢀremoteꢀsensing,ꢀallꢀresistanceꢀ
(includingꢀtheꢀESR),ꢀinductanceꢀandꢀcapacitanceꢀofꢀtheꢀdistributionꢀ
systemꢀisꢀwithinꢀtheꢀfeedbackꢀloopꢀofꢀtheꢀregulator.ꢀThisꢀcanꢀaffectꢀ
onꢀtheꢀregulatorsꢀcompensationꢀandꢀtheꢀresultingꢀstabilityꢀandꢀ
dynamicꢀresponseꢀperformance.
ceramics.
Minimum Required External Capacitors
RequiredꢀInputꢀFilter
Externalꢀinputꢀcapacitorsꢀareꢀrequiredꢀtoꢀincreaseꢀtheꢀlifetimeꢀofꢀtheꢀ
internalꢀcapacitors.ꢀLowꢀESRꢀceramicsꢀshouldꢀbeꢀused,ꢀtheꢀmini-
mumꢀinputꢀcapacitanceꢀisꢀstatedꢀbelow.
VeryꢀlowꢀESRꢀandꢀhighꢀcapacitanceꢀmustꢀbeꢀusedꢀwithꢀcare.ꢀAꢀ“ruleꢀ
ofꢀthumb”ꢀisꢀthatꢀtheꢀtotalꢀcapacitanceꢀmustꢀneverꢀexceedꢀtypicallyꢀ
500-700ꢀµFꢀifꢀonlyꢀlowꢀESRꢀ(<ꢀ2ꢀmW)ꢀceramicꢀcapacitorsꢀisꢀused.ꢀIfꢀ
moreꢀcapacitanceꢀisꢀneeded,ꢀaꢀcombinationꢀofꢀlowꢀESRꢀtypeꢀandꢀ
electrolyticꢀcapacitorsꢀshouldꢀbeꢀused,ꢀotherwiseꢀtheꢀstabilityꢀwillꢀbeꢀ
PMCꢀ8818TꢀSꢀ
2ꢀxꢀ4.7ꢀµF.
affected.
TheꢀPMCꢀ8000ꢀseriesꢀregulatorꢀcanꢀacceptꢀupꢀtoꢀ8ꢀmFꢀofꢀcapacitiveꢀ
loadꢀonꢀtheꢀoutputꢀatꢀfullꢀload.ꢀThisꢀgivesꢀ<500ꢀµF/AꢀofꢀIO.ꢀWhenꢀ
usingꢀthatꢀlargeꢀcapacitanceꢀitꢀisꢀimportantꢀtoꢀconsiderꢀtheꢀselectionꢀ
ofꢀoutputꢀcapacitors;ꢀtheꢀresultingꢀbehaviorꢀisꢀaꢀcombinationꢀofꢀtheꢀ
amountꢀofꢀcapacitanceꢀandꢀESR.
EN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
ꢀꢁ
2.ꢀ
Findꢀtheꢀvalueꢀofꢀtheꢀthermalꢀresistanceꢀforꢀeachꢀproductꢀ
ꢀ
ꢀ
ꢀ
inꢀtheꢀdiagramꢀbyꢀusingꢀtheꢀairflowꢀspeedꢀatꢀtheꢀoutputꢀꢀ
sectionꢀofꢀtheꢀconverter.ꢀTakeꢀtheꢀthermalꢀresistanceꢀxꢀꢀ
powerlossꢀtoꢀgetꢀtheꢀtemperatureꢀincrease.
ꢀ
ꢀ
ꢀ
ꢀ
3.ꢀ
ꢀ
Maxꢀallowedꢀcalculatedꢀambientꢀtemperatureꢀis:ꢀMaxꢀꢀ
TrefꢀofꢀDC/DCꢀregulatorꢀ–ꢀtemperatureꢀincrease.
ꢀ
ꢀ
1.ꢀ
ꢀ
ꢀ
Theꢀpowerlossꢀisꢀcalculatedꢀbyꢀusingꢀtheꢀformula
((1/η)ꢀ-ꢀ1)ꢀ×ꢀoutputꢀpowerꢀ=ꢀpowerꢀlosses.ꢀ
ηꢀ=ꢀefficiencyꢀofꢀconverter.ꢀE.gꢀ88%ꢀ=ꢀ0.88
AꢀcombinationꢀofꢀlowꢀESRꢀandꢀoutputꢀcapacitanceꢀexceedingꢀ8ꢀmFꢀ
forꢀPMCꢀ8818ꢀcanꢀcauseꢀtheꢀregulatorꢀintoꢀoverꢀcurrentꢀprotectionꢀ
modeꢀ(hick-up)ꢀdueꢀtoꢀhighꢀstartꢀupꢀcurrent.ꢀTheꢀoutputꢀfilterꢀ
mustꢀthereforeꢀbeꢀdesignedꢀwithoutꢀexceedingꢀtheꢀaboveꢀstatedꢀ
capacitanceꢀlevelsꢀifꢀtheꢀESRꢀisꢀlowerꢀthenꢀ
30-40ꢀmW.ꢀ
"JSGMPX
Parallel Operation
TheꢀPMCꢀ8000ꢀSeriesꢀDC/DCꢀregulatorsꢀcanꢀbeꢀconnectedꢀinꢀparal-
lelꢀwithꢀaꢀcommonꢀinput.ꢀParallelingꢀisꢀaccomplishedꢀbyꢀconnectingꢀ
theꢀoutputꢀvoltageꢀpinsꢀdirectlyꢀandꢀusingꢀaꢀloadꢀsharingꢀdeviceꢀ
onꢀtheꢀinput.ꢀLayoutꢀconsiderationsꢀshouldꢀbeꢀmadeꢀtoꢀavoidꢀloadꢀ
imbalance.ꢀForꢀmoreꢀdetailsꢀonꢀparalleling,ꢀpleaseꢀconsultꢀyourꢀlocalꢀ
5FTUꢂ#PBSE
applicationsꢀsupport.ꢀ
Calculation of ambient temperature
Byꢀusingꢀtheꢀthermalꢀresistanceꢀtheꢀmaximumꢀallowedꢀꢀ
ambientꢀtemperatureꢀcanꢀbeꢀcalculated.ꢀ
Thermal Considerations
General
TheꢀPMCꢀ8000ꢀSeriesꢀDC/DCꢀregulatorsꢀareꢀdesignedꢀtoꢀoperateꢀinꢀ
aꢀvarietyꢀofꢀthermalꢀenvironments,ꢀhoweverꢀsufficientꢀcoolingꢀshouldꢀ
beꢀprovidedꢀtoꢀhelpꢀensureꢀreliableꢀoperation.ꢀHeatꢀisꢀremovedꢀ
byꢀconduction,ꢀconvectionꢀandꢀradiationꢀtoꢀtheꢀsurroundingꢀ
environment.ꢀIncreasedꢀairflowꢀenhancesꢀtheꢀheatꢀtransferꢀviaꢀ
convection.ꢀꢀ
Properꢀcoolingꢀcanꢀbeꢀverifiedꢀbyꢀmeasuringꢀtheꢀtemperatureꢀ
atꢀtheꢀreferenceꢀpointꢀ(Tref).
T
ref (maxꢀ115ꢀ°C)
E.g ꢃ V output at 1 m/s, full load, 1ꢀ V in:
1ꢀꢀꢀ
A.ꢀ((ꢀꢀꢀꢀꢀꢀꢀꢀ)ꢀ-ꢀ1)ꢀ×ꢀ80ꢀWꢀ=ꢀ5.11ꢀWꢀ
0.94ꢀ
ꢀ
B.ꢀ5.11ꢀWꢀ×ꢀ8ꢀ°C/Wꢀ=ꢀ40.9ꢀ°Cꢀ
C.ꢀ115ꢀ°Cꢀ-ꢀ40.9ꢀ°Cꢀ=ꢀmaxꢀambientꢀtemperatureꢀisꢀ74.1ꢀ°Cꢀꢀ
Theꢀrealꢀtemperatureꢀwillꢀbeꢀdependentꢀonꢀseveralꢀfactors,ꢀlikeꢀPCBꢀ
sizeꢀandꢀtype,ꢀdirectionꢀofꢀairflow,ꢀairꢀturbulenceꢀetc.ꢀItꢀisꢀrecommen-
dedꢀtoꢀverifyꢀtheꢀtemperatureꢀbyꢀtesting.ꢀ
TheꢀPMCꢀ8000ꢀthermalꢀtestingꢀisꢀperformedꢀwithꢀtheꢀproductꢀ
mountedꢀonꢀanꢀFR4ꢀboardꢀ254ꢀ×ꢀ254ꢀmmꢀwithꢀ8ꢀlayersꢀofꢀ
35ꢀµmꢀcopper.ꢀ
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ꢃꢄꢊ7JOꢁꢊꢄꢋꢂꢊꢌꢊꢅꢋꢅ7PVU
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ꢇ
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ꢅ
ꢀ
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ꢃꢁꢂ
ꢄꢁꢀ
ꢄꢁꢂ
ꢅꢁꢀ <NꢉT>
Thermalꢀresistanceꢀvs.ꢀairspeedꢀmeasuredꢀatꢀtheꢀregulator.ꢀꢀ
EN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
ꢂ0
Soldering Information
Low temperature solder - reflow profile
TheꢀPMCꢀseriesꢀDC/DCꢀregulatorsꢀareꢀintendedꢀforꢀreflowꢀsolderingꢀ
processes.ꢀExtraꢀprecautionsꢀmustꢀbeꢀtakenꢀwhenꢀreflowꢀsolderingꢀ
theꢀmodule.ꢀNeglectingꢀtheꢀsolderingꢀinformationꢀgivenꢀbelowꢀ
mayꢀresultꢀinꢀpermanentꢀdamageꢀorꢀsignificantꢀdegradationꢀofꢀtheꢀ
powerꢀmoduleꢀperformance.ꢀNoꢀresponsibilityꢀisꢀassumedꢀifꢀtheseꢀ
recommendationsꢀareꢀnotꢀstrictlyꢀfollowed.ꢀ
Rampꢀup,ꢀramp-downꢀrate
Pre-heat
Soakꢀzone
Reflowꢀzone
Cooling
maxꢀ3˚C/s
maxꢀ0.5˚C/s
maxꢀ3˚C/s
maxꢀ4˚C/sꢀ
Temperatureꢀinterval,ꢀtime
Soakꢀzone
Reflowꢀzone
Theꢀmoduleꢀcanꢀbeꢀreflowꢀsolderedꢀusingꢀvapourꢀphaseꢀreflowꢀ(VPR)ꢀ
orꢀforcedꢀconvectionꢀreflow.
130-170˚C, 60-120 s Aboveꢀ183˚C, 30-80 s
Peakꢀtemperature,ꢀtime
Reflowꢀzone
Toꢀensureꢀproperꢀsolderingꢀofꢀtheꢀregulatorsꢀtheꢀtemperatureꢀshouldꢀ
beꢀmonitoredꢀonꢀinterconnectionꢀpinꢀGND.ꢀTheꢀinterconnectionꢀ
GNDꢀisꢀconsideredꢀasꢀrepresentativeꢀdueꢀtoꢀtheꢀheavyꢀcopperꢀpathꢀ
characterisation.ꢀAꢀthermocoupleꢀcanꢀbeꢀattachedꢀtoꢀtheꢀpinꢀGNDꢀ
byꢀmeansꢀofꢀaꢀsuitableꢀadhesiveꢀorꢀheatꢀconductiveꢀpaste,ꢀseeꢀtheꢀ
mechanicalꢀdataꢀonꢀpageꢀ4.
210-225˚C, 10-30 s
ForꢀconventionalꢀSn-Pbꢀsolderꢀprocessesꢀ(solderꢀmeltingꢀpointꢀ
179°Cꢀ-183°C),ꢀꢀTheꢀPMCꢀseriesꢀisꢀqualifiedꢀforꢀMSLꢀ1ꢀaccordingꢀ
toꢀJEDECꢀstandardꢀ“J-STD-020c”.ꢀDuringꢀreflow,ꢀtheꢀmoduleꢀ
temperatureꢀmustꢀnotꢀexceedꢀ+225ꢀ°Cꢀatꢀanyꢀtime.
Theꢀreflowꢀprofileꢀshouldꢀbeꢀoptimisedꢀtoꢀavoidꢀsolderꢀpasteꢀdryingꢀ
andꢀoverheatingꢀofꢀtheꢀmodule.ꢀMostꢀimportantꢀisꢀtoꢀensureꢀthatꢀtheꢀ
interconnectionꢀpinsꢀonꢀtheꢀcoldestꢀaeraꢀreachꢀsufficientꢀsolderingꢀ
temperatureꢀforꢀsufficientlyꢀlongꢀtime.ꢀAꢀsufficientlyꢀextendedꢀsoakꢀ
timeꢀisꢀrecommendedꢀtoꢀensureꢀanꢀevenꢀtemperatureꢀthroughoutꢀ
theꢀPCB,ꢀforꢀbothꢀsmallꢀandꢀlargeꢀcomponents.ꢀToꢀreduceꢀtheꢀriskꢀofꢀ
overheatingꢀtheꢀpowerꢀmodule,ꢀitꢀisꢀalsoꢀrecommendedꢀtoꢀminimiseꢀ
theꢀtimeꢀinꢀreflowꢀasꢀmuchꢀasꢀpossible.
(solid line)-High temperature solder
[°C]
(dashed line)-Low temperature solder
300
max pin temperature
@ 225°C (Low temp solder)
@ 245°C (High temp solder)
250
reflow ramp-up
200
cooling
zone
High temperature solders - Reflow profile
150
Rampꢀup,ꢀramp-downꢀrate
preheat
max 3°/s
Pre-heat
Soakꢀzone
Reflowꢀzone
Cooling
100
soak zone
(150°C-200°C)
60-180s
maxꢀ3˚C/s
maxꢀ0.5˚C/s
maxꢀ3˚C/s
maxꢀ4˚C/sꢀ
reflow
zone
50
Temperatureꢀinterval,ꢀtime
Soakꢀzone
Reflowꢀzone
0
Time
150-200˚C, 60-180 s Aboveꢀ220˚C, 30-80 s
Peakꢀtemperature,ꢀtime
Pinꢀtemperatures,ꢀgraphꢀofꢀtheꢀ4-zonesꢀofꢀreflowꢀsoldering.
Reflowꢀzone
235-245˚C, 10-30 s
Forꢀleadꢀfreeꢀsolderꢀprocessesꢀ(solderꢀmeltingꢀpointꢀ217°C),ꢀ
theꢀPMCꢀseriesꢀisꢀqualifiedꢀforꢀMSLꢀ1ꢀaccordingꢀtoꢀJEDECꢀstandardꢀ
“J-STD-020c”.ꢀDuringꢀreflow,ꢀtheꢀmoduleꢀtemperatureꢀmustꢀnotꢀ
exceedꢀ+245ꢀ°Cꢀatꢀanyꢀtime.
ꢂ1
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Delivery Package Information
TheꢀPMCꢀ8000ꢀseriesꢀregulatorsꢀareꢀdeliveredꢀinꢀantistaticꢀtapeꢀ&ꢀ
reelꢀ(EIAꢀstandardsꢀ481-2).ꢀ
Tapeꢀ&ꢀreelꢀspecification:
Material:ꢀ
Tapeꢀwidth:ꢀ
Tapeꢀpitch:ꢀ
Totalꢀpocketꢀheight:ꢀ
Reelꢀdiameter:ꢀ ꢀ
Reelꢀcapacity:ꢀ ꢀ
Fullꢀreelꢀweight:ꢀ
ꢀ
ꢀ
ꢀ
Conductiveꢀ
44ꢀmmꢀ[1.73ꢀin.]ꢀ
24ꢀmmꢀ[0.95ꢀin.]ꢀ
9.1ꢀmmꢀ[0.36ꢀin.]ꢀ
330ꢀmmꢀ[13ꢀin.]ꢀ
200ꢀpieces
typ.ꢀ2.0ꢀkgꢀꢀ
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Compatibility with RoHS requirements
Theꢀproductsꢀareꢀcompatibleꢀwithꢀtheꢀrelevantꢀclausesꢀandꢀ
requirementsꢀofꢀtheꢀRoHSꢀdirectiveꢀ2002/95/ECꢀandꢀhaveꢀaꢀ
maximumꢀconcentrationꢀvalueꢀofꢀ0.1%ꢀbyꢀweightꢀinꢀhomogeneousꢀ
materialsꢀforꢀlead,ꢀmercury,ꢀhexavalentꢀchromium,ꢀPBBꢀandꢀPBDEꢀ
andꢀofꢀ0.01%ꢀbyꢀweightꢀinꢀhomogeneousꢀmaterialsꢀforꢀcadmium.ꢀ
ExemptionsꢀinꢀtheꢀRoHSꢀdirectiveꢀutilizedꢀinꢀEricssonꢀPowerꢀ
Modulesꢀproductsꢀinclude:ꢀꢀꢀ
•ꢀꢀLeadꢀinꢀhighꢀmeltingꢀtemperatureꢀtypeꢀsolderꢀ(usedꢀtoꢀsolderꢀtheꢀꢀ
dieꢀinꢀsemiconductorꢀpackages)
•ꢀꢀLeadꢀinꢀglassꢀofꢀelectronicsꢀcomponentsꢀandꢀinꢀelectronicꢀ
ceramicꢀpartsꢀ(e.g.ꢀfillꢀmaterialꢀinꢀchipꢀresistors)
•ꢀꢀLeadꢀasꢀanꢀalloyingꢀelementꢀinꢀcopperꢀalloyꢀcontainingꢀupꢀtoꢀ4%ꢀ
leadꢀbyꢀweightꢀ(usedꢀinꢀconnectionꢀpinsꢀmadeꢀofꢀBrass)ꢀ
ꢀ
Reliability
TheꢀMeanꢀTimeꢀBetweenꢀFailureꢀ(MTBF)ꢀofꢀtheꢀPMCꢀ8000ꢀseriesꢀ
DC/DCꢀregulatorꢀfamilyꢀisꢀcalculatedꢀtoꢀbeꢀgreaterꢀthanꢀꢀ
5ꢀmillionꢀhoursꢀatꢀfullꢀoutputꢀpowerꢀandꢀaꢀreferenceꢀtemperatureꢀofꢀ
+40ꢀ°CꢀusingꢀTelCordiaꢀSRꢀ332.ꢀꢀ
ꢂꢀ
ꢀꢀꢀꢀꢀꢀEN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
Sales Offices and Contact Information
CompanyꢀHeadquarters
EricssonꢀPowerꢀModulesꢀAB
LMꢀEricssonsꢀvägꢀ30ꢀ
SE-126ꢀ25ꢀꢀStockholmꢀ
Sweden
Italy,ꢀSpainꢀꢀ(Mediterranean)
EricssonꢀPowerꢀModulesꢀAB
ViaꢀCadornaꢀ71ꢀ
20090ꢀVimodroneꢀ(MI)ꢀ
Italy
Phone:ꢀ+46-8-568-69620ꢀ
Fax:ꢀ+46-8-568-69599
Phone:ꢀ+39-02-265-946-07ꢀ
Fax:ꢀ+39-02-265-946-69
China
Japan
EricssonꢀSimtekꢀElectronicsꢀCo.
33ꢀFuhuaꢀRoadꢀ
JiadingꢀDistrictꢀ
Shanghaiꢀ201ꢀ818ꢀ
Chinaꢀ
EricssonꢀPowerꢀModulesꢀABꢀ
KimuraꢀDainiꢀBuilding,ꢀ3ꢀFL.ꢀ
3-29-7ꢀMinami-Oomachi,ꢀShinagawa-kaꢀ
Tokyoꢀ140-0013ꢀ
Japan
Phone:ꢀ+86-21-5990-3258ꢀ
Fax:ꢀ+86-21-5990-0188
Phone:ꢀ+81-3-5733-5107ꢀ
Fax:ꢀ+81-3-5753-5162
NorthꢀandꢀSouthꢀAmericaꢀ
EricssonꢀInc.ꢀPowerꢀModules
6300ꢀLegacyꢀDr.ꢀ
Germany,ꢀAustria
EricssonꢀPowerꢀModulesꢀAB
MühlhauserꢀWegꢀ18ꢀ
85737ꢀIsmaningꢀ
Plano,ꢀTXꢀ75024ꢀ
USA
Germanyꢀ
Phone:ꢀ+1-972-583-5254ꢀ
ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ+1-972-583-6910ꢀ
Fax:ꢀ+1-972-583-7839
Phone:ꢀ+49-89-9500-6905ꢀ
Fax:ꢀ+49-89-9500-6911
HongꢀKongꢀ(AsiaꢀPacific)
EricssonꢀLtd.ꢀ
12/F.ꢀDevonꢀHouse
979ꢀKing’sꢀRoadꢀ
QuarryꢀBayꢀ
Allꢀotherꢀcountries
ContactꢀCompanyꢀHeadquartersꢀ
orꢀvisitꢀourꢀwebsite:
www.ericsson.com/powermodules
HongꢀKong
Phone:ꢀ+852-2590-2453ꢀ
Fax:ꢀ+852-2590-7152
Informationꢀgivenꢀinꢀthisꢀdataꢀsheetꢀisꢀbelievedꢀtoꢀbeꢀaccurateꢀandꢀreliable.ꢀꢀ
Noꢀresponsibilityꢀisꢀassumedꢀforꢀtheꢀconsequencesꢀofꢀitsꢀuseꢀnorꢀforꢀanyꢀinfringementꢀ
ofꢀpatentsꢀorꢀotherꢀrightsꢀofꢀthirdꢀpartiesꢀwhichꢀmayꢀresultꢀfromꢀitsꢀuse.ꢀꢀ
Noꢀlicenseꢀisꢀgrantedꢀbyꢀimplicationꢀorꢀotherwiseꢀunderꢀanyꢀpatentꢀorꢀpatentꢀrightsꢀofꢀ
EricssonꢀPowerꢀModules.ꢀTheseꢀproductsꢀareꢀsoldꢀonlyꢀaccordingꢀtoꢀꢀ
EricssonꢀPowerꢀModules’ꢀgeneralꢀconditionsꢀofꢀsale,ꢀunlessꢀotherwiseꢀconfirmedꢀinꢀ
writing.ꢀSpecificationsꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀ
EN/LZTꢀ146ꢀ064ꢀR2Aꢀ©EricssonꢀPowerꢀModules,ꢀMarchꢀ2007
PMCꢀ8818TꢀSꢀDatasheet
ꢂꢂ
相关型号：
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