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78L05

Name: 78L05
Rating: 4.7 (12 reviews)

IC REG LINEAR 5V 100MA SOT89

제조업체
Mfr.부분 #78L05
패키지
데이터시트 78L05 DataSheet
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사양

Series	78Lxx
Part Status	Active
Output Configuration	Positive
Output Type	Fixed
Number of Regulators	1
Voltage - Input (Max)	30V
Voltage - Output (Min/Fixed)	5V
Voltage Dropout (Max)	1.7V @ 40mA
Current - Output	100mA
Current - Quiescent (Iq)	5.5 mA
PSRR	49dB (120Hz)
Protection Features	Over Current, Over Temperature, Short Circuit
Operating Temperature	-20°C ~ 120°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-243AA
Supplier Device Package	SOT-89

개요

Description

The 78L05 is a linear voltage regulator that outputs a fixed 5V voltage, providing a solution for various electronic applications requiring stable power. It belongs to the 7800 series of voltage regulators, known for their reliability and ease of use. The "L" in 78L05 indicates it is a low current variant, typically supplying up to 100mA.
Key features include:
- Input Voltage Range: 7V to 25V, depending on the load current.
- Thermal Protection: Built-in thermal shutdown to prevent damage from overheating.
- Short-Circuit Protection: Safeguards against overload conditions.
- Compact Size: Available in TO-220, TO-263, and other packages for easy integration into circuits.
Common applications include powering microcontrollers, sensors, and other low-power devices. The 78L05 is favored for its simplicity, requiring only input and output capacitors for stability, making it ideal for hobbyist and professional projects alike.

Features

The 78L05 is a low-dropout linear voltage regulator that provides a stable output voltage of 5V with a maximum output current of 100 mA. Key features include:
1. Input Voltage Range: Typically accepts input voltages from 7V to 20V.
2. Low Dropout Voltage: Requires only about 1.5V dropout, allowing effective operation even with low input voltages.
3. Thermal Protection: Equipped with built-in thermal overload protection to prevent damage from overheating.
4. Short-Circuit Protection: Includes internal current limiting to protect against short-circuit conditions.
5. Compact Package: Available in various package types, including TO-92 and surface-mount options, for versatile applications.
6. Low Noise: Provides a low output noise ideal for sensitive electronic circuits.
7. Simple Operation: Requires minimal external components, making it easy to implement in designs.
These features make the 78L05 suitable for powering microcontrollers, sensors, and other low-power electronic devices.

Package

The 78L05 is commonly available in a TO-220 package type, which is a three-lead plastic package. It can also be found in other packages like TO-92. This voltage regulator provides a fixed output of 5V and is suitable for low power applications.

Pinout

The 78L05 is a low-dropout linear voltage regulator that provides a fixed output of 5V. It typically comes in a 3-pin package. The pin configuration is as follows:
1. Input (Vin): This pin is connected to the input voltage source, which should be higher than 5V (usually between 7V and 20V).
2. Ground (GND): This pin is connected to the circuit ground.
3. Output (Vout): This pin delivers the regulated output voltage of 5V to the load.
The 78L05 is designed for low-power applications and can typically supply up to 100mA of output current. It features thermal overload protection and short-circuit protection to ensure safe operation.

Manufacturer

The 78L05 is a voltage regulator manufactured by various companies, with one of the notable manufacturers being ON Semiconductor. ON Semiconductor is a global semiconductor company that specializes in providing a wide range of products, including analog, digital, and mixed-signal semiconductor solutions. They serve various industries, including automotive, industrial, and consumer electronics, offering components for power management, signal processing, and connectivity. The 78L05 specifically provides a stable 5V output and is commonly used in electronic circuits for low-power applications.

Application

The 78L05 is a low-dropout linear voltage regulator that provides a stable 5V output. It is commonly used in various applications, including:
1. Power supply for microcontrollers and digital circuits.
2. Battery-powered devices needing a regulated 5V.
3. Signal conditioning in sensor applications.
4. Powering logic circuits in consumer electronics.
5. Electronic prototypes and development boards for rapid testing.
Its compact size and ease of use make it suitable for both hobbyist and commercial applications.

Equivalent

The 78L05 voltage regulator has several equivalent products, including the LM7805, LM2937, LM317 (adjustable), and L78S05. Other equivalents may include the AMS1117-5.0 and the MIC5205-5.0. Always verify compatibility regarding output current, package type, and thermal characteristics before substitution.