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7805 Datasheet, PDF

Search Partnumber : Match&Start with "7805" - Total : 118 ( 1/6 Page)

Manufacturer	Part #	Datasheet	Description
KEC(Korea Electronics)	7805	382Kb/20P	THREE TERMINAL POSITIVE VOLTAGE REGULATORS
3M Electronics	7805	4Mb/12P	3M??EMI/EMC Electronic Materials
Inchange Semiconductor ...	7805	281Kb/2P	isc Three Terminal Positive Voltage Regulator
Mallory performance clu...	7805	972Kb/8P	MSD-8 Plus Ignition
Silicon Supplies	7805	710Kb/5P	Linear Voltage Regulator
KIA Semiconductor Techn...	7805	16Kb/2P	Output current in excess of 1A
Belden Inc.	7805	147Kb/3P	50 Ohm Wireless Transmission Coax, RF 100, RG174, 25 AWG Solid BC, Foil + 90% TC Braid, PVC Jkt 04-13-2023
Silicon Supplies	7805	2Mb/5P	Linear Voltage Regulator Rev 1.1 19/02/24
	7805	521Kb/5P	Linear Voltage Regulator Rev 1.0 19/04/19
	7805	600Kb/5P	Linear Voltage Regulator Rev 1.0 19/04/19
	7805	291Kb/4P	Linear Voltage Regulator Rev 1.0 17/06/25
	7805	309Kb/4P	Linear Voltage Regulator Rev 1.1 17/07/25
	7805	349Kb/4P	Linear Voltage Regulator Rev 2.1 17/07/25
Foshan Blue Rocket Elec...	7805	1Mb/6P	Voltage Regulator in a TO-220 Plastic Package
Guangdong Huixin Electr...	7805	352Kb/3P	Three-terminal positive voltage regulator
List of Unclassifed Man...	7805	125Kb/1P	THREE-TERMINAL POSITIVE VOLTAGE REGULATOR IC
	7805	253Kb/2P	LINEAR INTEGRATED CIRCUITS 3-TERMINAL VOLATGE REGULATORS
	7805	515Kb/1P	QUICK-FIT TERMINALS
	7805	105Kb/4P	Coax - RG-174 Type
Belden Inc.	7805-010100	147Kb/3P	50 Ohm Wireless Transmission Coax, RF 100, RG174, 25 AWG Solid BC, Foil + 90% TC Braid, PVC Jkt 04-13-2023

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Brief Description of 7805

The 7805 is a popular linear voltage regulator IC that is commonly used to provide a stable and regulated +5V DC output voltage from an unregulated DC power source. Here are some key features and characteristics of the 7805 voltage regulator:

Voltage Regulation: The 7805 is designed to provide a fixed output voltage of +5V. It is part of a family of 78xx voltage regulators, where xx can vary to produce different fixed output voltages, such as the 7806 (+6V), 7812 (+12V), and so on.

Input Voltage Range: The input voltage should be higher than the desired output voltage, typically a few volts higher. The 7805 can handle input voltages between about 7V to 25V, depending on the specific variant and manufacturer.

Output Current: The 7805 is available in different current rating versions, such as 100mA, 500mA, or 1A, depending on the specific model. The current rating defines the maximum current it can supply while maintaining regulation.

Package: The 7805 typically comes in a standard TO-220 package, which is a common package type for linear voltage regulators.

Thermal Protection: The 7805 includes built-in thermal protection to prevent the IC from overheating. When the temperature exceeds a certain limit, it shuts down temporarily to avoid damage and then resumes operation when the temperature drops.

Application: The 7805 is widely used in electronic circuits to provide a stable and regulated +5V power supply. It is commonly used in a variety of applications, including powering microcontrollers, digital logic ICs, sensors, and other low-power components.

Output Capacitor: It is recommended to use a capacitor at the output of the 7805 to improve stability and reduce output voltage fluctuations. A 0.1µF ceramic capacitor and a larger electrolytic capacitor (e.g., 10µF) are often used for this purpose.

Equivalent for 7805

The 7805 is a popular linear voltage regulator providing a fixed 5V output. When looking for replacements, consider the following options based on your requirements:

Direct Replacements:
L7805:

Pin-compatible and functionally identical.
Available from various manufacturers such as STMicroelectronics.
UA7805:

Similar specifications and pinout.
Produced by Texas Instruments and other vendors.
LM340-5:

A fixed 5V output regulator, interchangeable with the 7805.
Also offers thermal shutdown and current-limiting features.
Low-Dropout (LDO) Replacements:
LM2940-5:

A low-dropout (LDO) regulator with a fixed 5V output.
Dropout voltage: around 0.5V (compared to ~2V for 7805).
Ideal for battery-powered applications or low input voltage scenarios.
MIC29302-5:

LDO regulator with 5V fixed output and 3A current capacity.
More efficient and handles higher current loads.
AMS1117-5.0:

Compact, low-dropout regulator in SOT-223 or TO-220 package.
Dropout voltage: ~1V at 1A.
Switching Regulator Replacements (Higher Efficiency):
LM2596-5.0:

A switching regulator (buck converter) with a 5V fixed output.
Highly efficient compared to the 7805, especially at large voltage differences.
XL4015:

A DC-DC step-down converter with a fixed or adjustable output.
Can provide up to 5A current with high efficiency.
TSR 1-2450:

A drop-in replacement for linear regulators in SIP packages.
High efficiency with a fixed 5V output.
Key Considerations:
Voltage Dropout: If your input voltage is close to 5V, consider an LDO or a switching regulator.
Efficiency: For high power dissipation concerns, use switching regulators.
Pin Compatibility: Ensure the replacement is pin-compatible if you're directly replacing a 7805.
Summary:
For a direct replacement, use L7805 or UA7805. If you need better efficiency or low dropout, go for LM2940-5 or AMS1117-5.0. For high-efficiency needs, consider switching regulators like LM2596-5.0 or XL4015.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.

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