AN79L08M
Product Overview
- Category: Integrated Circuit
- Use: Voltage Regulator
- Characteristics: Low Dropout, Fixed Output Voltage
- Package: TO-220
- Essence: Linear Regulator
- Packaging/Quantity: Tape and Reel, 1000 pieces per reel
Specifications
- Input Voltage Range: -35V to -10V
- Output Voltage: -8V
- Output Current: 100mA
- Dropout Voltage: 2V (typical)
- Line Regulation: 0.2% (typical)
- Load Regulation: 0.4% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The AN79L08M has three pins:
- Input Pin (VIN): Connects to the input voltage source.
- Ground Pin (GND): Connected to the ground reference.
- Output Pin (VOUT): Provides the regulated output voltage.
Functional Features
- Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
- Fixed output voltage of -8V provides a stable power supply for various applications.
- Excellent line and load regulation characteristics ensure consistent performance under varying conditions.
- Thermal shutdown protection prevents damage due to excessive temperature.
- Short-circuit current limiting protects the device from overcurrent conditions.
Advantages and Disadvantages
Advantages
- Compact TO-220 package allows for easy integration into circuit designs.
- Low dropout voltage minimizes power dissipation and improves efficiency.
- Wide operating temperature range enables usage in extreme environments.
- Excellent line and load regulation provide stable output voltage.
Disadvantages
- Limited output current capability (100mA) may not be suitable for high-power applications.
- Fixed output voltage restricts flexibility in certain designs requiring adjustable voltages.
Working Principles
The AN79L08M is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly. The device maintains a constant -8V output voltage by dissipating excess input voltage as heat.
Detailed Application Field Plans
The AN79L08M is commonly used in various electronic devices and circuits, including:
- Audio Amplifiers: Provides a stable power supply for audio amplification circuits.
- Instrumentation Systems: Ensures precise and regulated voltage for accurate measurements.
- Automotive Electronics: Used in automotive applications where a reliable power source is required.
- Industrial Control Systems: Provides regulated voltage for control circuitry in industrial settings.
- Consumer Electronics: Used in various consumer electronic devices such as televisions, DVD players, etc.
Detailed and Complete Alternative Models
- LM7808: Similar linear voltage regulator with an output voltage of +8V.
- MC78L08: Low dropout voltage regulator with an output voltage of +8V.
- LT1084: Adjustable linear voltage regulator capable of providing various output voltages.
(Note: This list is not exhaustive and there are several other alternative models available in the market.)
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기술 솔루션에 AN79L08M 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of AN79L08M in technical solutions:
Q: What is AN79L08M? A: AN79L08M is a voltage regulator IC (integrated circuit) that provides a fixed negative output voltage of -8V.
Q: What is the input voltage range for AN79L08M? A: The input voltage range for AN79L08M is typically between -10V and -35V.
Q: What is the output current capability of AN79L08M? A: AN79L08M can provide an output current of up to 100mA.
Q: Can AN79L08M be used in both AC and DC applications? A: Yes, AN79L08M can be used in both AC and DC applications as long as the input voltage falls within the specified range.
Q: Is AN79L08M suitable for low-power applications? A: Yes, AN79L08M is commonly used in low-power applications where a stable negative voltage source is required.
Q: Can AN79L08M handle short-circuit conditions? A: AN79L08M has built-in protection features that allow it to handle short-circuit conditions without damage.
Q: Does AN79L08M require any external components for operation? A: Yes, AN79L08M requires a few external components such as input/output capacitors and resistors for stability and filtering.
Q: What is the typical dropout voltage of AN79L08M? A: The typical dropout voltage of AN79L08M is around 2V, meaning the input voltage must be at least 2V higher than the desired output voltage.
Q: Can AN79L08M be used in automotive applications? A: Yes, AN79L08M is suitable for automotive applications as it can withstand the required temperature and voltage ranges.
Q: Are there any alternative voltage regulators similar to AN79L08M? A: Yes, there are other negative voltage regulator ICs available in the market, such as LM79L08 and MC79L08, which provide similar functionality.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.