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L78M08CV
Basic Information Overview
- Category: Voltage Regulator
- Use: To regulate and stabilize the output voltage in electronic circuits
- Characteristics:
- Fixed output voltage of +8V
- Maximum output current of 500mA
- Low dropout voltage
- Thermal overload protection
- Package: TO-220
- Essence: Linear voltage regulator
- Packaging/Quantity: Available in various packaging options, typically sold in packs of 10 or more
Specifications
- Input Voltage Range: 10V to 35V
- Output Voltage: +8V
- Output Current: Up to 500mA
- Dropout Voltage: 2V (typical)
- Line Regulation: 0.04% (typical)
- Load Regulation: 0.1% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L78M08CV voltage regulator has three pins: 1. Input (VIN): Connects to the input voltage source 2. Ground (GND): Connected to the ground reference 3. Output (VOUT): Provides the regulated output voltage
Functional Features
- Regulates the input voltage to a stable +8V output
- Provides protection against thermal overload
- Offers low dropout voltage, minimizing power dissipation
- Suitable for a wide range of applications requiring a fixed +8V supply
Advantages
- Simple and easy to use
- Reliable and efficient voltage regulation
- Compact and versatile package
- Wide operating temperature range
Disadvantages
- Fixed output voltage may not be suitable for all applications
- Limited maximum output current of 500mA
Working Principles
The L78M08CV is a linear voltage regulator that uses a series pass transistor to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to regulate the output. The regulator also incorporates thermal overload protection to prevent damage due to excessive heat.
Detailed Application Field Plans
The L78M08CV is commonly used in various electronic applications, including: - Power supply circuits for microcontrollers and other digital ICs - Audio amplifiers and preamplifiers - Battery charging circuits - Industrial control systems - Automotive electronics
Detailed and Complete Alternative Models
- LM7808: Similar voltage regulator with a different package (TO-220)
- MC7808: Equivalent voltage regulator from another manufacturer
- UA7808: Alternative voltage regulator with similar specifications
Please note that these alternative models may have slight differences in characteristics and pin configuration, so it is important to refer to their respective datasheets for detailed information.
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Énumérez 10 questions et réponses courantes liées à l'application de L78M08CV dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of L78M08CV in technical solutions:
Q: What is L78M08CV? A: L78M08CV is a voltage regulator IC that provides a fixed output voltage of +8V.
Q: What is the input voltage range for L78M08CV? A: The input voltage range for L78M08CV is typically between 10V and 35V.
Q: What is the maximum output current of L78M08CV? A: The maximum output current of L78M08CV is 500mA.
Q: Can L78M08CV handle higher input voltages than its output voltage? A: No, L78M08CV is a linear regulator and requires the input voltage to be lower than or equal to the desired output voltage.
Q: Is L78M08CV suitable for both AC and DC input voltages? A: Yes, L78M08CV can accept both AC and DC input voltages.
Q: Does L78M08CV require any external components for operation? A: Yes, L78M08CV requires input and output capacitors for stability and filtering.
Q: Can L78M08CV handle short-circuit conditions? A: Yes, L78M08CV has built-in protection against short circuits and thermal overload.
Q: What is the typical dropout voltage of L78M08CV? A: The typical dropout voltage of L78M08CV is around 2V.
Q: Can L78M08CV be used in battery-powered applications? A: Yes, L78M08CV can be used in battery-powered applications as long as the input voltage is within its specified range.
Q: Is L78M08CV available in different package options? A: Yes, L78M08CV is available in various package options such as TO-220, TO-220FP, and DPAK.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer guidelines for L78M08CV.