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Partno Mfg Dc Qty AvailableDescript
LM78L05NationalN/a885avai3-Terminal Positive Regulators
LM78L09HTCN/a14775avai3-Terminal Positive Regulators
LM78L12HTCN/a16000avai3-Terminal Positive Regulators
LM78L12NSN/a3000avai3-Terminal Positive Regulators
LM78L12NATIONALN/a1000avai3-Terminal Positive Regulators
LM78L12MOTOROLAN/a3000avai3-Terminal Positive Regulators
LM78L15NationalN/a3147avai3-Terminal Positive Regulators
LM78L15NSN/a1000avai3-Terminal Positive Regulators


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LM78L12 ,3-Terminal Positive RegulatorsFeaturesYOutput voltage tolerances of g5% (LM78LXXAC) overThe LM78LXX series of three terminal posi ..
LM78L12 ,3-Terminal Positive Regulators
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LM78L05-LM78L09-LM78L12-LM78L15
3-Terminal Positive Regulators
TL/H/7744
LM78LXX
Series
3-Terminal
Positive
Regulators
February 1995
LM78LXX Series 3-Terminal Positive Regulators
General Description
The LM78LXX seriesof three terminal positive regulatorsis
available with several fixed output voltages making them
usefulina wide rangeof applications. When usedasaze-
ner diode/resistor combination replacement,the LM78LXX
usually resultsinan effective output impedance improve-
mentoftwo ordersof magnitude,and lower quiescentcur-
rent. These regulatorscan provide localon card regulation,
eliminatingthe distribution problems associated with single
point regulation.The voltages available allowthe LM78LXXbe usedin logic systems, instrumentation, HiFi,and other
solid state electronic equipment.
The LM78LXXis availableinthe metal three-lead TO-39(H)
package,the plastic TO-92(Z) package, andthe plastic
SO-8(M) package. With adequate heat sinkingthe regulator
candeliver100mA output current. Current limitingis includ-tolimitthe peak outputcurrenttoa safe value. Safe area
protectionforthe output transistorsis providedto limit inter-
nal power dissipation.If internal power dissipation becomes
too highforthe heatsinking provided,the thermalshutdown
circuit takes over preventingtheIC from overheating.
Features Output voltage tolerancesof g5% (LM78LXXAC) over
the temperature range Output currentof 100mA Internal thermal overload protection Output transistor safe area protection Internal short circuit current limit Availablein plastic TO-92and metal TO-39 and plastic
SO-8low profile packagesNo external components Output voltagesof 5.0V, 6.2V, 8.2V, 9.0V, 12V, 15V
Connection Diagrams
(TO-39)
Metal CanPackage(H)
TL/H/7744–1
Bottom View
Order Number LM78L05ACH,
LM78L12ACHorLM78L15ACH
SeeNS Package Number H03A
SO-8 Plastic(M)
(Narrow Body)
TL/H/7744–2
Top View
Order NumberLM78L05ACM,
LM78L12ACMor LM78L15ACM
SeeNS Package Number M08A
(TO-92)
PlasticPackage(Z)
TL/H/7744–3
Bottom View
OrderNumber
LM78L05ACZ, LM78L09ACZ,
LM78L12ACZ, LM78L15ACZ,
LM78L62ACZorLM78L82ACZ
SeeNS Package NumberZ03A
C1995National SemiconductorCorporation RRD-B30M115/PrintedinU.S.A.
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