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ZD1117
1A Bipolar Linear Regulator
Vout
(V)
DESCRIPTION
ZD1117isaseriesoflowdropoutthree‐terminal
regulatorswithadropoutof1.3Vat1A��loadcurrent.
ZD1117featuresalowstandbycurrent2mA.
Otherthanafixedversion(Vout=1.2V,1.5V,1.8V,
2.5V,3.3V,5V,and12V),ZD1117hasanadjustable
version,whichcanprovideanoutputvoltagefrom
1.25 to12Vwithonlytwoexternalresistors.
ZD1117offersthermalshutdownandcurrentlimit
functions,toassurestabilityofchipandpower
system.Trimmingtechniqueisusedtoguarantee
outputvoltageaccuracywithin2%.Otheroutput
voltageaccuracysuchas1%canbecustomizedon
demand.
ZD1117isavailableinSOT‐223,TO‐252
powerpackages.
FEATURES
Otherthanafixedversionandanadjustable
version,outputvaluecanbecustomizedon
demand.
Maximumoutputcurrentis1A
Rangeofoperationinputvoltage:Max18V
Standbycurrent:2mA(typ.)
Lineregulation:0.1%/V(typ.)
Loadregulation:10mV(typ.)
EnvironmentTemperature:‐40C~85C
Compatiblewithtantalumcapacitor,
electrolyticcapacitorandMLCC.
APPLICATIONS
PowerManagementforComputerMother
Board,GraphicCard
LCDMonitorandLCDTV
DVDDecodeBoard
ADSL Modem
PostRegulatorsforSwitchingSupplies
TYPICALAPPLICATION TYPICALELECTRICALCHARACTERISTIC
ZD1117
Vin
Vout
Vin Vout
ZD1117‐ADJVoutVs.Temp
���
1.5
10uF
Gnd
10uF
1.0
ApplicationcircuitZD1117fixedversion
0.5
0.0
‐50 50 150 250
Temperature(C)
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ZD111
7
1117 B
XX YYZZ
2

ProductClassification
ZD1117ILTR
□
4
□
Marking
1117ZD

XXYYZZ
1117:
Product Code
ZD:ZettaDevice
XX:
OutputVoltage
YY:LotNo.
ZZ:DateCode
ProductClassification
LC1117IOTR
□
4
□
1117ZD

XXYYZZ
1117:
ProductCode
TO-252
1
Vss/ADJ
2
Vout
3
Vin
1 3
ZD:ZettaDevice
XX:
Output Voltage
YY:LotNo.
ZZ:DateCode
Vss/Adj
GroundPin/Adjustable
Vin
SupplyVoltageInput
Vout
OutputVoltage
Code Description
□
1
Temperature&Rohs:
I:‐40~85C,Pb FreeRohsStd.
□
2
Packagetype:
L:SOT‐223
O:TO‐252
□
3
Packingtype:
TR:Tape&Reel(Standard)
□
4
Outputvoltage:
e.g. 12=1.2V
15=1.5V
18=1.8V 25=2.5V
33=3.3V 50=5.0V
120=12V
AD=Outputad
j
ustable
□
5
Voltageaccuracy:
1=±1%(Customized)
Blank(default)=±2%
ORDERINGINFORMATION
ZD1117
□
1
□
2
□
3
□
4
□
5
���
ABSOLUTEMAXIMUMRATING
PINCONFIGURATION
Parameter Value
MaxInputVoltage
18V
MaxOperatingJunctionTemperature(Tj)
150C
AmbientTemperature(Ta)
‐40C
–
85C
PackageThermalResistance(jc)
SOT‐223
20C/W
TO‐252
12.5C/W
StorageTemperature(Ts)
‐40C‐150C
LeadTemperature&Time
260C,10S
Note: Exceedthese limitstodamage tothedevice.Exposuretoabsolutemaximumrating conditionsmayaffect
devicereliability.
RECOMMENDEDWORKCONDITIONS
Parameter Value
InputVoltageRange Max.16V
OperatingJunctionTemperature(Tj)
‐40C
–
125C
ExceptionalforZD1117‐12V,themaximuminputvoltageforZD1117‐12Vis20V.