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LM2930S-5.0-LM2930S-8.0-LM2930SX-5.0-LM2930SX-8.0-LM2930T-5.0-LM2930T-8.0
3-Terminal Positive Regulator
LM2930
3-Terminal Positive Regulator
General DescriptionThe LM2930 3-terminal positive regulator featuresan ability source150mAof output current withan input-outputdif-
ferentialof 0.6Vor less. Efficientuseoflow input voltages
obtained,for example, froman automotive battery during
cold crank conditions, allows5V circuitrytobe properly pow-
ered with supply voltagesaslowas 5.6V. Familiar regulator
features suchas current limit and thermal overload protec-
tionare also provided.
Designed originallyfor automotive applications,the LM2930
andall regulated circuitryare protected from reverse battery
installationsor2 battery jumps. Duringline transients, sucha load dump(40V) whenthe input voltagetothe regulator
can momentarily exceedthe specified maximum operating
voltage,the regulatorwill automatically shut downto protect
both internal circuits andthe load. The LM2930 cannotbe
harmedby temporary mirror-image insertion.
Fixed outputsof5V and8Vare availableinthe plastic
TO-220and TO-263 power packages.
Features Input-output differential less than 0.6V Output currentin excessof150mA Reverse battery protection 40V load dump protection Internal short circuit current limit Internal thermal overload protection Mirror-image insertion protectionP+ Product Enhancement tested
Voltage RangeLM2930T-5.0: 5V
LM2930T-8.0: 8V
LM2930S-5.0: 5V
LM2930S-8.0: 8V
Connection Diagrams
(TO-220)
Plastic PackageDS005539-1
Front View
Order Number LM2930T-5.0or LM2930T-8.0
SeeNS Package Number T03B
(TO-263)
Plastic Surface-Mount PackageDS005539-7
Top ViewDS005539-8
Side View
Order Number LM2930S-5.0or LM2930S-8.0
SeeNS Package Number TS3BApril 1998
LM2930
3-T
erminal
Positive
Regulator©1998NationalSemiconductor Corporation DS005539
