L7805

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L7805

IC REG LINEAR 5V 1.5A TO220

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仕様

Series L78
Part Status Active
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 35V
Voltage - Output (Min/Fixed) 5V
Voltage Dropout (Max) 2V @ 1A
Current - Output 1.5A
Current - Quiescent (Iq) 8 mA
PSRR 62dB (120Hz)
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -25°C ~ 125°C (TJ)
Mounting Type Through Hole
Package / Case TO-220-3
Supplier Device Package TO-220

概要

Description

The L7805 is a voltage regulator that provides a stable output of 5 volts, making it ideal for powering small electronic circuits and devices. It is part of the 78xx series of linear voltage regulators, which are widely used due to their simplicity and reliability. The L7805 can supply a maximum output current of 1A, depending on conditions such as heat dissipation.
Key features include:
- Input voltage range: 7V to 35V (minimum input-output differential of 2V).
- Thermal overload protection and short-circuit protection.
- Compact TO-220 or TO-92 package, making it easy to integrate into circuits.
To use the L7805, connect the input pin to the positive voltage source, the output pin to the load requiring 5V, and the ground pin to the system ground. It is often paired with input and output capacitors to stabilize the voltage and reduce noise. Overall, the L7805 is a versatile and efficient solution for providing regulated power in various electronic applications.

Features

The L7805 is a popular voltage regulator that provides a stable output of 5 volts. Key features include:
1. Output Current: It can deliver up to 1.5A of output current, making it suitable for various applications.
2. Input Voltage Range: Accepts a wide input voltage range (typically 7V to 35V) allowing versatility in power supply options.
3. Thermal Overload Protection: Equipped with built-in thermal shutdown to prevent damage from overheating.
4. Short Circuit Protection: Features internal short circuit protection to safeguard the device and connected loads.
5. Low Dropout Voltage: Provides a low dropout voltage (around 2V), enhancing efficiency, particularly in battery-operated devices.
6. Easy to Use: Requires minimal external components, typically just input and output capacitors for stability.
7. Reliability: Known for its robustness and reliability in various electronic circuits.
The L7805 is commonly used in power supply circuits for microcontrollers, sensors, and other electronic devices requiring a regulated 5V power supply.

Package

The L7805 voltage regulator typically comes in several package types, including TO-220, TO-92, and DPAK. The TO-220 package is commonly used for applications requiring heat dissipation due to its larger size and ability to attach a heatsink.

Pinout

The L7805 is a voltage regulator IC with a total of 3 pins. Its pin configuration and functions are as follows:
1. Input Pin (Vin): This is the first pin, where the unregulated input voltage (typically between 7V to 35V) is connected.
2. Ground Pin (GND): The second pin is connected to ground (0V), providing a reference point for the output voltage.
3. Output Pin (Vout): The third pin outputs a regulated voltage of 5V, which can be used to power electronic circuits and devices.
The L7805 is widely used in various applications due to its simplicity and reliability, providing a stable output voltage with minimal external components. It also features built-in thermal overload protection and short-circuit protection.

Manufacturer

The L7805 is a popular voltage regulator manufactured by multiple companies, but it was originally developed by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer based in Switzerland, known for producing a wide range of electronic components, including microcontrollers, sensors, and power management devices. The company focuses on providing solutions for various applications, such as automotive, industrial, and consumer electronics, and is recognized for its innovation and commitment to sustainability in the semiconductor industry.

Application

The L7805 is a popular voltage regulator that outputs a steady 5V. Its application areas include powering microcontrollers, sensors, and embedded systems in electronics projects. It is commonly used in power supply circuits for consumer electronics, such as Arduino boards, Raspberry Pi, and various communication devices. Additionally, it can be found in battery-operated devices, where stable voltage is essential for reliable operation.

Equivalent

Equivalent products to the L7805 voltage regulator include the LM7805, LM317 (adjustable), LDO linear regulators like MIC5205, LM2937, and other fixed 5V linear regulators such as LM1117-5.0 and MCP1700. Always check specifications for current ratings and dropout voltage when considering substitutes.

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出荷料参照(DHL/FedEx):

DHL の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は2〜5営業日です。

フェデックス: 配送費は25ドル〜40ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

UPS の: 配送費は25ドル〜45ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

TNT社: 配送費は25ドル〜65ドル(0.5kg)の範囲で、推定配送時間は3〜7営業日。

EMS: 配送料金は30〜50ドル(0.5kg)の範囲で、推定配送時間は7〜15営業日です。

登録航空郵便: 配送費は2〜4ドル(0.1kg)で、推定配送時間は5〜20営業日です。

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