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National Semiconductor Electronic Components Datasheet

78L05 Datasheet

3-Terminal Positive Regulators

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February 2005
LM78LXX Series
3-Terminal Positive Regulators
General Description
The LM78LXX series of three terminal positive regulators is
available with several fixed output voltages making them
useful in a wide range of applications. When used as a zener
diode/resistor combination replacement, the LM78LXX usu-
ally results in an effective output impedance improvement of
two orders of magnitude, and lower quiescent current. These
regulators can provide local on card regulation, eliminating
the distribution problems associated with single point regu-
lation. The voltages available allow the LM78LXX to be used
in logic systems, instrumentation, HiFi, and other solid state
electronic equipment.
The LM78LXX is available in the plastic TO-92 (Z) package,
the plastic SO-8 (M) package and a chip sized package
(8-Bump micro SMD) using National’s micro SMD package
technology. With adequate heat sinking the regulator can
deliver 100mA output current. Current limiting is included to
limit the peak output current to a safe value. Safe area
protection for the output transistors is provided to limit inter-
nal power dissipation. If internal power dissipation becomes
too high for the heat sinking provided, the thermal shutdown
circuit takes over preventing the IC from overheating.
Features
n LM78L05 in micro SMD package
n Output voltage tolerances of ±5% over the temperature
range
n Output current of 100mA
n Internal thermal overload protection
n Output transistor safe area protection
n Internal short circuit current limit
n Available in plastic TO-92 and plastic SO-8 low profile
packages
n No external components
n Output voltages of 5.0V, 6.2V, 8.2V, 9.0V, 12V, 15V
n See AN-1112 for micro SMD considerations
Connection Diagrams
SO-8 Plastic (M)
(Narrow Body)
(TO-92)
Plastic Package (Z)
00774402
Top View
8-Bump micro SMD
00774403
Bottom View
micro SMD Marking Orientation
00774424
Top View
(Bump Side Down)
ww© w20.0D5 aNtaatiSonhael Seetm4iUco.ncdoucmtor Corporation DS007744
00774433
Top View
www.DataSheet4U.com
www.national.com


National Semiconductor Electronic Components Datasheet

78L05 Datasheet

3-Terminal Positive Regulators

No Preview Available !

Ordering Information
Package
microSMD
SOIC Narrow
TO-92
Order Number
LM78L05IBP
LM78L05IBPX
LM78L09ITP
LM78L09ITPX
LM78L05ACM
LM78L05ACMX
LM78L12ACM
LM78L12ACMX
LM78L15ACM
LM78L15ACMX
LM78L05ACZ
LM78L62ACZ
LM78L82ACZ
LM78L09ACZ
LM78L12ACZ
LM78L15ACZ
Output Voltage
5V
5V
9V
9V
5V
5V
12V
12V
15V
15V
5V
6.2V
8.2V
9V
12V
15V
NSC Drawing
BPA08AAB
BPA08AAB
TPA08AAA
TPA08AAA
M08A
M08A
M08A
M08A
M08A
M08A
Z03A
Z03A
Z03A
Z03A
Z03A
Z03A
Supplied As
Reel of 250
Reel of 3000
Reel of 250
Reel of 3000
Rail of 95
Reel of 2500
Rail of 95
Reel of 2500
Rail of 95
Reel of 2500
Box of 1800
Box of 1800
Box of 1800
Box of 1800
Box of 1800
Box of 1800
www.national.com
2


Part Number 78L05
Description 3-Terminal Positive Regulators
Maker National Semiconductor
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78L05 Datasheet PDF






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