78L05 PDF – 5V Positive Regulator

78L05 Information is available here. It is mainly used for power management in electronic devices. A voltage regulator maintains a constant output voltage despite changes in input voltage or load, allowing electronic devices to operate stably.

Part Number : 78L05

Function : 5V, 3-Terminal Positive Regulator

Package : TO-92, SO-8 Pin Type

Manufacturer : National Semiconductor

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78L05 data sheet

Description

The 78L05 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 usually 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 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 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 internal 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.

 

Pinout

78L05 pinout datasheet pdf

 

Features

1. LM78L05 in micro SMD packagen

2. Output voltage tolerances of±5% over the temperaturerangen

3. Output current of 100mA

4. Internal thermal overload protection

5. Output transistor safe area protection

6. Internal short circuit current limit

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

 

Applications

This regulator is commonly used in various electronic applications to provide a stable +5V voltage source, such as in microcontroller circuits, sensors, and other low-power devices.

 

78L05 PDF File

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