AN78L24ME1
Product Overview
Category
AN78L24ME1 belongs to the category of voltage regulators.
Use
It is primarily used to regulate and stabilize voltage in electronic circuits.
Characteristics
- Input Voltage Range: 25V to 35V
- Output Voltage: 24V
- Maximum Output Current: 100mA
- Low Dropout Voltage: 0.5V (typical)
- Operating Temperature Range: -40°C to +125°C
- Package Type: TO-92
- Essence: Linear voltage regulator
Packaging/Quantity
AN78L24ME1 is typically packaged in reels or tubes, with a quantity of 2000 units per reel/tube.
Specifications
- Input Voltage Range: 25V to 35V
- Output Voltage: 24V
- Output Current: 100mA (maximum)
- Dropout Voltage: 0.5V (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 +125°C
- Package Type: TO-92
Detailed Pin Configuration
AN78L24ME1 has three pins:
- Input Pin (Vin): This pin is connected to the input voltage source.
- Ground Pin (GND): This pin is connected to the ground reference.
- Output Pin (Vout): This pin provides the regulated output voltage.
Functional Features
- Voltage Regulation: AN78L24ME1 ensures a stable output voltage of 24V, regardless of input voltage fluctuations.
- Low Dropout Voltage: The regulator has a low dropout voltage of 0.5V, minimizing power dissipation.
- Overcurrent Protection: It incorporates overcurrent protection to safeguard the circuit from excessive current flow.
- Thermal Shutdown: AN78L24ME1 includes a thermal shutdown feature that protects it from overheating.
Advantages and Disadvantages
Advantages
- Compact Size: The TO-92 package makes it suitable for space-constrained applications.
- Easy Integration: AN78L24ME1 can be easily integrated into various electronic circuits.
- Cost-Effective: It provides reliable voltage regulation at an affordable price.
Disadvantages
- Limited Output Current: The maximum output current of 100mA may not be sufficient for high-power applications.
- Dropout Voltage: Although low, the 0.5V dropout voltage can still affect certain sensitive circuits.
Working Principles
AN78L24ME1 operates on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance in the circuit. When the input voltage exceeds the desired output voltage, the pass transistor reduces the resistance, allowing excess voltage to dissipate as heat. Conversely, when the input voltage drops below the desired output voltage, the pass transistor increases the resistance to maintain a stable output voltage.
Detailed Application Field Plans
AN78L24ME1 finds applications in various electronic devices and systems, including but not limited to: - Power supplies - Audio amplifiers - Industrial control systems - Automotive electronics - Battery-powered devices - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to AN78L24ME1 include: - LM7805: A popular 5V linear voltage regulator. - LM317: A versatile adjustable linear voltage regulator. - LT1083: A high-current linear voltage regulator with adjustable output.
These alternatives offer similar functionality and can be chosen based on specific requirements and compatibility with the application.
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기술 솔루션에 AN78L24ME1 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of AN78L24ME1 in technical solutions:
Q1: What is AN78L24ME1? A1: AN78L24ME1 is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of 24V.
Q2: What is the input voltage range for AN78L24ME1? A2: The input voltage range for AN78L24ME1 is typically between 27V and 35V.
Q3: What is the maximum output current of AN78L24ME1? A3: The maximum output current of AN78L24ME1 is 100mA.
Q4: Can AN78L24ME1 handle higher input voltages than its specified range? A4: No, it is not recommended to exceed the specified input voltage range as it may damage the IC.
Q5: Is AN78L24ME1 suitable for battery-powered applications? A5: Yes, AN78L24ME1 can be used in battery-powered applications as long as the input voltage remains within the specified range.
Q6: Does AN78L24ME1 require any external components for operation? A6: Yes, AN78L24ME1 requires input and output capacitors for stability and filtering purposes. Refer to the datasheet for recommended values.
Q7: Can AN78L24ME1 be used in automotive applications? A7: Yes, AN78L24ME1 can be used in automotive applications as long as the input voltage remains within the specified range and appropriate protection measures are taken.
Q8: What is the thermal resistance of AN78L24ME1? A8: The thermal resistance of AN78L24ME1 is typically around 160°C/W.
Q9: Can AN78L24ME1 be used in high-temperature environments? A9: AN78L24ME1 has a maximum operating temperature of 125°C, so it should not be used in environments exceeding this temperature.
Q10: Are there any alternatives to AN78L24ME1 for voltage regulation? A10: Yes, there are other voltage regulator ICs available in the market. Some popular alternatives include LM7805, LM317, and LT1084.
Please note that these answers are general and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with an expert for accurate information.