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LM78L09

9V 3-Terminal Positive Regulator

Other names for this product: 78L09,
Courtesy/Thanks to: National Semiconductor

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

- LM78L05 in micro SMD package

- Output voltage tolerances of ±5% over the temperature range

- Output current of 100mA

- Internal thermal overload protection

- Output transistor safe area protection

- Internal short circuit current limit

- Available in plastic TO-92 and plastic SO-8 low profile packages

- No external components

- Output voltages of 5.0V, 6.2V, 8.2V, 9.0V, 12V, 15V
- See AN-1112 for micro SMD considerations

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Files
LM78L05.pdf
   Datasheet for the LM78LXX series of positive power regulators
lm78lxx.jpg
   Connection diagram for the 78LXX series of voltage regulators.
Manufacturers
National Semiconductor
   No more info
Used in
KIT 83
   UNIVERSAL DUAL POLARITY 1 AMP POWER SUPPLY
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