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®
L200
ADJUSTABLEVOLTAGEANDCURRENTREGULATOR
ADJUSTABLEOUTPUTCURRENTUPTO2A(GUARANTEEDUPTOTj=150°C)
ADJUSTABLEOUTPUTVOLTAGEDOWNTO2.85V
INPUTOVERVOLTAGEPROTECTION(UPTO60V,10ms)
SHORTCIRCUITPROTECTION
OUTPUTTRANSISTORS.O.A.PROTECTIONTHERMALOVERLOADPROTECTION
LOWBIASCURRENTONREGULATIONPINLOWSTANDBYCURRENTDRAIN
Pentawatt®
TO-3(4lead)
DESCRIPTION
TheL200isamonolithicintegratedcircuitforvolt-ageandcurrentprogrammableregulation.ItisavailableinPentawatt®packageor4-leadTO-3metalcase.Currentlimiting,powerlimiting,thermalshutdownandinputovervoltageprotection(uptoABSOLUTEMAXIMUMRATINGS
SymbolViVi∆Vi-oIoPtotTstgTop
DCInputVoltage
PeakInputVoltage(10ms)DropoutVoltageOutputCurrentPowerDissipationStorageTemperature
OperatingJunctionTemperatureforL200C
forL200Parameter
60V)maketheL200virtuallyblow-outproof.
TheL200canbeusedtoreplacefixedvoltageregulatorswhenhighoutputvoltageprecisionisrequiredandeliminatestheneedtostockarangeoffixedvoltageregulators.
Value406032
internallylimitedinternallylimited-55to150-25to150-55to150
UnitVVV
°C°C°C
THERMALDATA
TO-3
Rthj-caseRthj-amb
ThermalResistanceJunction-caseThermalResistanceJunction-ambient
MaxMax
4°C/W35°C/W
Pentawatt®3°C/W50°C/W
January20001/12
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L200
CONNECTIONDIAGRAMSANDORDERCODES(topviews)
TypeL200L200C
Pentawatt®L200CHL200CV
TO-3L200TL200CT
BLOCKDIAGRAM
APPLICATIONCIRCUITS
Figure1.ProgrammableVoltageRegulatorwithCurrentLimiting
Figure2.ProgrammableCurrentRegulator.
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L200
SCHEMATICDIAGRAM
ELECTRICALCHARACTERISTICS(Tamb=25 °C,unlessotherwisespecified)
Symbol
Parameter
TestConditions
Min.
Typ.
Max.
Unit
VOLTAGEREGULATIONLOOP
IdeNVo∆VoVo∆Vi∆VoSVR
SupplyVoltageRejectionQuiescentdrainCurrent(pin3)OutputNoiseVoltageOutputVoltageRangeVoltageLoadRegulation(note1)LineRegulation
Vi=20VVo=VrefB=1MHzIo=10mA∆Io=2A∆Io=1.5AV0=5V
Vi=8to18V
V0=5VIo=500mA∆Vi=10Vpp
f=100Hz(note2)
Io=1.5A ∆V0≤2%Vi=20V
Io=10mA
2.
Io=10mA
2.85
0.150.14.280
3610.99.2
mAµVV%%
4860dB
486022.77
2.52.86
dBVV
∆Vi-oVref
DroupoutVoltagebetweenPins1and5
ReferenceVoltage(pin4)
3/12
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L200
ELECTRICALCHARACTERISTICS(continued)
Symbol∆Vref
Parameter
AverageTemperatureCoefficientofReferenceVoltage
TestConditions
Vi=20V
Io=10mA
forTj=-25to125°CforTj=125to150°C
Min.
Typ.-0.25-1.53-0.5
10Max.
UnitmV/°CmV/°CµA%/°C
I4∆I4∆T•I4Zo
BiasCurrentandPin4AverageTemperatureCoefficient(pin4)OutputImpedance
Vi=10VIo=0.5A
Vo=Vreff=100Hz
1.5mΩ
CURRENTREGULATIONLOOP
VSC∆VSC∆T•VSC
∆IoIo
CurrentLimitSenseVoltagebetweenPins5and2AverageTemperatureCoefficientofVSC
Vi=10VI5=100mA
Vo=Vref
0.38
0.450.03
0.52
V%/°C
CurrentLoadRegulation
Vi=10VIo=0.5AIo=1AIo=1.5A
∆Vo=3V
1.410.9
3.6
%%%A
ISCPeakShortCircuitCurrent
Vi-V0=14V
(pins2and5shortcircuited)
Note1:Aloadstepof2Acanbeappliedprovitedthatinput-outputdifferentialvoltageislowerthan20V(seeFigure3).
Note2:Thesameperformancecanbemaintainedathigheroutputlevelsifabypassingcapacitorisprovitedbetweenpins2and4.
Figure3.TypicalSafeOperatingAreaProtection.Figure4.QuiescentCurrentvs.SupplyVoltage.
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L200
Figure5.QuiescentCurrentvs.JunctionVoltage.
Figure6.QuiescentCurrentvs.OutputCurrent.
Figure7.OutputNoiseVoltagevs.Output
Voltage.Figure8.OutputNoiseVoltagevs.
Frequency.
Figure9.ReferenceVoltagevs.JunctionTemperature.Figure10.VoltageLoadRegulationvs.JunctionTemperature.
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L200
Figure11.SupplyVoltageRejectionvs.Frequency.
Figure12.DropoutVoltagevs.JunctionTemperature.
Figure13.OutputImpedancevs.Frequency.Figure14.OutputImpedancevs.OutputCurrent.
Figure15.VoltageTransientReponse.Figure16.LoadTransientReponse.
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L200
Figure17.LoadTransientReponse
Figure18.CurrentLimitSenseVoltagevs.JunctionTemperature.
APPLICATIONSCIRCUITS
Figure19.-ProgrammableVoltageRegulator
Figure20.-P.C.BoardandComponentsLayoutofFigure19.
Figure21.-HighCurrentVoltageRegulatorwithShortCircuitProtection.Figure22.-DigitallySelectedRegulatorwithInhibit.
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L200
Figure23.ProgrammableVoltageandCurrentRegulator.
Note:ConnectingpointAtoanegativevoltage(forexample-3V/10mA)itispossibletoextendtheoutputvoltage
rangedownto0Vandobtainthecurrentlimitingdowntothislevel(outputshort-circuitcondition).
Figure24.HighCurrentRegulatorwithNPNPassTransistor.
Figure25.HighCurrentTrackingRegualtor.
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L200
Figure26.HighInputandOutputVoltage.
Figure27.ConstantCurrentBatteryCharger.
TheresistorsR1andR2determinethefinalchargingvolt-ageandRSCtheinitialchargingcurrent.D1preventsdis-chargeofthebatterythroughttheregulator.
TheresistorRLlimitsthereversecurrentsthroughtherregulator(whichshouldbe100mAmax)whenthebat-teryisaccidentallyreverseconnected.IfRLisinserieswithabulbof12V/50mAratingthiswillindicateincor-rectconnection.
Figure28.30WMotorSpeedControl.Figure29.LowwTurnon.
Figure30.LightController.
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L200
DIM.ACDD1EE1FF1GG1H2H3LL1L2L3L4L5L6L7L9MM1V4
mmTYP.
inchTYP.
MIN.
2.41.20.350.760.813.26.610.0517.5515.5521.222.32.615.1.233.75
3.46.8
17.8515.7521.422.5
MAX.4.81.372.81.350.551.191.051.43.6710.410.418.1515.9521.622.71.29315.86.6
MIN.
0.0940.0470.0140.0300.0310.0390.1260.2600.3960.6910.6120.8310.8780.1020.5940.236
0.24.54
4.750.1674.250.14840°(typ.)
MAX.0.10.054 0.1100.0530.0220.0470.0410.055
0.1340.1420.2680.276
0.4090.409
0.7030.7150.6200.6280.8430.8500.8860.4
0.0510.1180.622 0.260
0.008
0.1770.1870.1570.167
OUTLINEANDMECHANICALDATA
PentawattV
LL1L8
V
V1
VR
A
B
C
D1
L5
L2L3
D
RV4
H2
FE
V4
V3
E
R
M1
VV
M
E1
H3H1
Dia.L7
L6
RESINBETWEEN
LEADS
F1
FH2
GG1
V4
L9
10/12
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L200
mm
MIN.AB(*)CDEGNOPRUV
30.1
3.88
12.7
50° (typ.)30° (typ.)26.24.2039.5
1.18
0.15
1.030.161.55
TYP.11.81
2.59.620
0.50
0.39
0.0980.370.78
MAX.
MIN.
inchTYP.0.46
MAX.
DIM.
OUTLINEANDMECHANICALDATA
TO34-Leads
(*)MeasuredwithGauge
11/12
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L200
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