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LM78L05ACH Datasheet

  • LM78L05ACH

  • IC-POSITIVE REGULATOR 5V

  • 12頁

  • ETC

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LM78LXX Series 3-Terminal Positive Regulators
February 1995
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 ze-
ner diode resistor combination replacement the LM78LXX
usually results in an effective output impedance improve-
ment of two orders of magnitude and lower quiescent cur-
rent These regulators can provide local on card regulation
eliminating the distribution problems associated with single
point regulation 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 metal three-lead TO-39(H)
package the plastic TO-92 (Z) package and the plastic
SO-8 (M) package With adequate heat sinking the regulator
can deliver 100 mA output current Current limiting is includ-
ed 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
Y
Y
Y
Y
Y
Y
Y
Y
Output voltage tolerances of
g
5% (LM78LXXAC) over
the temperature range
Output current of 100 mA
Internal thermal overload protection
Output transistor safe area protection
Internal short circuit current limit
Available in plastic TO-92 and metal TO-39 and plastic
SO-8 low profile packages
No external components
Output voltages of 5 0V 6 2V 8 2V 9 0V 12V 15V
Connection Diagrams
(TO-39)
Metal Can Package (H)
SO-8 Plastic (M)
(Narrow Body)
(TO-92)
Plastic Package (Z)
TL H 7744 鈥?3
TL H 7744 鈥?
TL H 7744 鈥?2
Bottom View
Order Number
LM78L05ACZ LM78L09ACZ
LM78L12ACZ LM78L15ACZ
LM78L62ACZ or LM78L82ACZ
See NS Package Number Z03A
Bottom View
Order Number LM78L05ACH
LM78L12ACH or LM78L15ACH
See NS Package Number H03A
Top View
Order Number LM78L05ACM
LM78L12ACM or LM78L15ACM
See NS Package Number M08A
C
1995 National Semiconductor Corporation
TL H 7744
RRD-B30M115 Printed in U S A

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