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AN78L08ME1
Product Overview
Category
AN78L08ME1 belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- Input Voltage Range: 10V - 35V
- Output Voltage: 8V
- Maximum Output Current: 100mA
- Low Dropout Voltage: 2V (typical)
- Operating Temperature Range: -40°C to +85°C
Package
AN78L08ME1 comes in a small surface-mount package.
Essence
The essence of AN78L08ME1 lies in its ability to provide a stable and regulated output voltage despite variations in input voltage and load conditions.
Packaging/Quantity
AN78L08ME1 is typically packaged in reels or tubes, with quantities varying based on customer requirements.
Specifications
- Input Voltage Range: 10V - 35V
- Output Voltage: 8V
- Output Current: 100mA (maximum)
- Dropout Voltage: 2V (typical)
- Line Regulation: ±0.2% (typical)
- Load Regulation: ±0.4% (typical)
- Quiescent Current: 5mA (typical)
- Ripple Rejection Ratio: 60dB (typical)
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
AN78L08ME1 has three pins:
- Input Pin (VIN): This pin is used to connect the input voltage source.
- Ground Pin (GND): This pin is connected to the ground reference.
- Output Pin (VOUT): The regulated output voltage is obtained from this pin.
Functional Features
- Regulated Output: AN78L08ME1 provides a constant output voltage of 8V, regardless of input voltage fluctuations.
- Low Dropout Voltage: The device exhibits a low dropout voltage of 2V, ensuring efficient regulation even with low input voltages.
- Overcurrent Protection: AN78L08ME1 incorporates overcurrent protection to safeguard the circuit from excessive current flow.
- Thermal Shutdown: The device includes thermal shutdown protection, preventing damage due to excessive temperature.
Advantages and Disadvantages
Advantages
- Stable Output: AN78L08ME1 ensures a stable output voltage, making it suitable for sensitive electronic components.
- Compact Size: The small surface-mount package allows for easy integration into space-constrained designs.
- Wide Operating Temperature Range: AN78L08ME1 can operate reliably in extreme temperature conditions (-40°C to +85°C).
Disadvantages
- Limited Output Current: With a maximum output current of 100mA, AN78L08ME1 may not be suitable for high-power applications.
- Dropout Voltage: The 2V dropout voltage may restrict its use in low-voltage systems.
Working Principles
AN78L08ME1 operates on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. By adjusting the resistance within the regulator, AN78L08ME1 maintains a constant output voltage despite variations in input voltage and load conditions.
Detailed Application Field Plans
AN78L08ME1 finds application in various electronic devices and circuits, including but not limited to: - Power supplies for microcontrollers and other low-power digital ICs - Battery-powered devices requiring regulated voltage - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to AN78L08ME1 include: - LM7808: A popular linear voltage regulator with an output voltage of 8V. - MC78L08: Another 8V linear voltage regulator commonly used in electronic circuits. - UA78L08: A low-power, fixed-voltage regulator with an output voltage of 8V.
These alternative models can be considered based on specific application requirements and availability.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AN78L08ME1 en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of AN78L08ME1 in technical solutions:
Q1: What is AN78L08ME1? A1: AN78L08ME1 is a voltage regulator IC (Integrated Circuit) that provides a fixed output voltage of +8V.
Q2: What is the input voltage range for AN78L08ME1? A2: The input voltage range for AN78L08ME1 is typically between +10V and +35V.
Q3: What is the maximum output current of AN78L08ME1? A3: The maximum output current of AN78L08ME1 is 100mA.
Q4: Can AN78L08ME1 handle reverse polarity protection? A4: No, AN78L08ME1 does not have built-in reverse polarity protection. External protection circuitry should be used if reverse polarity is a concern.
Q5: Is AN78L08ME1 suitable for automotive applications? A5: Yes, AN78L08ME1 can be used in automotive applications as long as the operating conditions and requirements are within its specifications.
Q6: Does AN78L08ME1 require any external components for operation? A6: Yes, AN78L08ME1 requires input and output capacitors for stability. A bypass capacitor is also recommended for noise reduction.
Q7: Can AN78L08ME1 be used in battery-powered applications? A7: Yes, AN78L08ME1 can be used in battery-powered applications as long as the input voltage is within its specified range.
Q8: What is the thermal shutdown feature of AN78L08ME1? A8: AN78L08ME1 has a built-in thermal shutdown feature that protects the IC from overheating by shutting down the output when the temperature exceeds a certain threshold.
Q9: Can AN78L08ME1 be used in high-temperature environments? A9: AN78L08ME1 has an operating temperature range of -40°C to +85°C, so it can be used in moderately high-temperature environments.
Q10: Is AN78L08ME1 available in different package types? A10: Yes, AN78L08ME1 is available in various package types such as TO-92, SOT-89, and SOP-8, allowing for flexibility in different applications.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's recommendations for AN78L08ME1.