Texas Instruments MC34063A Handleiding
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QS
1.25-V
Reference
Regulator
R
C
T
I
pk
Oscillator
Q2
Q1
Switch
Collector
4
Switch
Emitter
Timing
Capacitor
GND
3
2
18
7
6
5
Comparator
Inverting Input
V
CC
I
pk
Sense
Drive
Collector
100W
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MC33063A
,
MC34063A
SLLS636N–DECEMBER2004–REVISEDJANUARY2015
MC3x063A1.5-APeakBoost/Buck/InvertingSwitchingRegulators
1Features3Description
TheMC33063AandMC34063Adevicesareeasy-to-
1
•WideInputVoltageRange:3Vto40V
useICscontainingalltheprimarycircuitryneededfor
•HighOutputSwitchCurrent:Upto1.5A
buildingsimpleDC-DCconverters.Thesedevices
•AdjustableOutputVoltage
primarilyconsistofaninternaltemperature-
compensatedreference,acomparator,anoscillator,
•OscillatorFrequencyUpto100kHz
aPWMcontrollerwithactivecurrentlimiting,adriver,
•PrecisionInternalReference:2%
andahigh-currentoutputswitch.Thus,thedevices
•Short-CircuitCurrentLimiting
requireminimalexternalcomponentstobuild
convertersintheboost,buck,andinverting
•LowStandbyCurrent
topologies.
2Applications
TheMC33063Adeviceischaracterizedforoperation
from–40°Cto85°C,whiletheMC34063Adeviceis
•BloodGasAnalyzers:Portable
characterizedforoperationfrom0°Cto70°C.
•CableSolutions
•HMIs(HumanMachineInterfaces)
DeviceInformation
(1)
•Telecommunications
PARTNUMBERPACKAGE(PIN)BODYSIZE
•PortableDevices
SOIC(8)4.90mm×3.91mm
•Consumer&Computing
MC3x063ASON(8)4.00mm×4.00mm
PDIP(8)9.81mm×6.35mm
•Test&Measurement
(1)Forallavailablepackages,seetheorderableaddendumat
theendofthedatasheet.
4SimplifiedSchematic
1
AnIMPORTANTNOTICEattheendofthisdatasheetaddressesavailability,warranty,changes,useinsafety-criticalapplications,
intellectualpropertymattersandotherimportantdisclaimers.PRODUCTIONDATA.
Product specificaties
| Merk: | Texas Instruments |
| Categorie: | Niet gecategoriseerd |
| Model: | MC34063A |
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