Persamaan Transistor 78L05

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. Output transistor safe area protection. Internal thermal overload protection. Internal short-circuit current limit. No external components. Available in tiny DSBGA package. Available in 3-pin TO-92 and 8-pin SOIC low profile packages 2 Applications. Battery chargers. Portable instrumentation. LED lighting. Appliances. DigChip.com is a leading provider of electronic components documentation. We offer a reliable tool to find semiconductors components technical information: parts, datasheets, cross reference, obsolete and new circuits.

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LM7805 Voltage Regulator IC

7805 Voltage Regulator Pinout

The 7805 Voltage Regulator IC is a commonly used voltage regulator that finds its application in most of the electronics projects. It provides a constant +5V output voltage for a variable input voltage supply.

LM7805 Pinout Configuration

Pin Number	Pin Name	Description
1	Input (V+)	Unregulated Input Voltage
2	Ground (Gnd)	Connected to Ground
3	Output (Vo)	Outputs Regulated +5V

7805 Regulator Features

5V Positive Voltage Regulator
Minimum Input Voltage is 7V
Maximum Input Voltage is 25V
Operating current(I_Q) is 5mA
Internal Thermal Overload and Short circuit current limiting protection is available.
Junction Temperature maximum 125 degree Celsius
Available in TO-220 and KTE package

Note: Complete Technical Details can be found at the 7805 datasheet given at the end of this page.

Other Voltage Regulators

LM7806, LM7809, LM7812, LM317, LM7905, LM7912, LM117V33, XC6206P332MR.

Brief Description of 7805 Voltage Regulator IC

Voltage regulators are very common in electronic circuits. They provide a constant output voltage for a varied input voltage. In our case the 7805 IC is an iconic regulator IC that finds its application in most of the projects. The name 7805 signifies two meaning, “78” means that it is a positive voltage regulator and “05” means that it provides 5V as output. So our 7805 will provide a +5V output voltage.

The output current of this IC can go up to 1.5A. But, the IC suffers from heavy heat loss hence a Heat sink is recommended for projects that consume more current. For example if the input voltage is 12V and you are consuming 1A, then (12-5) * 1 = 7W. This 7 Watts will be dissipated as heat.

7805 as +5V Voltage Regulator

This is a typical application circuit of the 7805 IC. We just need two capacitors of vale 33uf and 0.1uf to get this IC working.

The input capacitor 0.33uF is a ceramic capacitor that deals with input inductance problem and the output capacitor 0.1uF is also a ceramic capacitor that adds to the stability of the circuit. These capacitors should be placed close to the terminals for them to work effectively. Also they should be of ceramic type, since ceramic capacitors are faster than electrolytic.

7805 as adjustable output Regulator