Texas Instruments TPS62092 Handleiding
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100m1101001k10k
I load (mA)
Efficiency (%)
V
IN
= 2.7 V
V
IN
= 3.7 V
V
IN
= 4.2 V
V
IN
= 5 V
V
OUT
= 1.8 V
L = 0.4 µH
f = 2.8 MHz
G004
Vout
1.8 V/3A
Vin
2.5 V to 6 V
PVIN
PVIN
ENFB
C1
10Fm
L1
470nH
C2
22Fm
SW
TPS62093
SW
Power Good
AVIN
SS
R3
500kΩ
AGND
PG
C4
10nF
VOS
FREQ
CP
CN
C3
10nF
1
2
3
4
5
6
PGNDPGND
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1415
16
Copyright © 2016,Texas Instruments Incorporated
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AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
TPS62090
,
TPS62091
,
TPS62092
,
TPS62093
SLVSAW2C–MARCH2012–REVISEDOCTOBER2016
TPS6209x3-AHighEfficiencySynchronousStepDownConverterwithDCS-Control™
1
1Features
1
•2.5Vto6VInputVoltageRange
•DCS-Control™
•95%ConverterEfficiency
•PowerSaveMode
•20µAOperatingQuiescentCurrent
•100%DutyCycleforLowestDropout
•2.8MHz/1.4MHzTypicalSwitchingFrequency
•0.8VtoV
IN
AdjustableOutputVoltage
•FixedOutputVoltageVersions
•OutputDischargeFunction
•AdjustableSoftstart
•HiccupShortCircuitProtection
•OutputVoltageTracking
•Pin-to-pincompatiblewithTPS62095
2Applications
•DistributedPowerSupplies
•Notebook,NetbookComputers
•HardDiskDrivers(HDD)
•SolidStateDrives(SSD)
•ProcessorSupply
•BatteryPoweredApplications
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
sp
sp
3Description
TheTPS6209xdevicesareafamilyofhighfrequency
synchronousstepdownconvertersoptimizedfor
smallsolutionsize,highefficiencyandsuitablefor
batterypoweredapplications.Tomaximizeefficiency,
theconvertersoperateinpulsewidthmodulation
(PWM)modewithanominalswitchingfrequencyof
2.8MHz/1.4MHzandautomaticallyenterpowersave
modeoperationatlightloadcurrents.Whenusedin
distributedpowersuppliesandpointofload
regulation,thedevicesallowvoltagetrackingtoother
voltagerailsandtolerateoutputcapacitorsranging
from10µFupto150µFandbeyond.Usingthe
DCS-Control™topologythedevicesachieve
excellentloadtransientperformanceandaccurate
outputvoltageregulation.
Theoutputvoltagestart-uprampiscontrolledbythe
softstartpin,whichallowsoperationaseitherastand-
alonepowersupplyorintrackingconfigurations.
Powersequencingisalsopossiblebyconfiguringthe
enableandpowergoodpins.Inpowersavemode,
thedevicesoperateattypically20µAquiescent
current.Powersavemodeisenteredautomatically
andseamlesslymaintaininghighefficiencyoverthe
entireloadcurrentrange.
DeviceInformation
(1)
DEVICENAMEPACKAGEBODYSIZE(NOM)
TPS62090
QFN(16)3.00mmx3.00mm
TPS62091
TPS62092
TPS62093
TypicalApplicationSchematicEfficiencyvsOutputCurrent
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | TPS62092 |
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