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AN78L04
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Low dropout voltage, small package size, high output current capability
- Package: TO-92
- Essence: Linear voltage regulator
- Packaging/Quantity: Available in reels or tubes, quantity varies depending on manufacturer
Specifications
- Input Voltage Range: 7V to 35V
- Output Voltage: 5V
- Output Current: Up to 100mA
- Dropout Voltage: 2V (typical)
- Quiescent Current: 4.5mA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The AN78L04 IC has three pins:
- Input (Vin): Connects to the input voltage source.
- Ground (GND): Connected to the ground reference.
- Output (Vout): Provides the regulated output voltage.
Functional Features
- Voltage Regulation: The AN78L04 regulates the input voltage to a stable 5V output.
- Low Dropout Voltage: The low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
- Thermal Shutdown Protection: The IC includes thermal shutdown protection to prevent damage due to excessive heat.
- Short Circuit Protection: The AN78L04 incorporates short circuit protection, safeguarding the IC and connected components from damage in case of a short circuit.
Advantages and Disadvantages
Advantages: - Small package size allows for space-saving designs. - High output current capability enables the use of the IC in various applications. - Low dropout voltage ensures efficient voltage regulation.
Disadvantages: - Limited output current capacity (up to 100mA). - Requires external capacitors for stability.
Working Principles
The AN78L04 is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable 5V output.
Detailed Application Field Plans
The AN78L04 is commonly used in various electronic devices and applications, including:
- Power Supplies: The IC can be used to provide a regulated 5V supply for microcontrollers, sensors, and other low-power components.
- Battery-Powered Devices: It is suitable for battery-powered devices that require a stable 5V voltage source.
- Automotive Electronics: The AN78L04 can be utilized in automotive applications such as dashboard displays, lighting systems, and audio equipment.
Detailed and Complete Alternative Models
- LM7805: A popular alternative with similar specifications and pin configuration.
- MC78L05: Another alternative with comparable characteristics and package type.
- UA78L05: An alternative option from a different manufacturer, offering similar performance.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AN78L04 en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of AN78L04 in technical solutions:
Q: What is AN78L04? A: AN78L04 is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of +5V.
Q: What is the input voltage range for AN78L04? A: The input voltage range for AN78L04 is typically between 7V and 35V.
Q: What is the maximum output current of AN78L04? A: The maximum output current of AN78L04 is 100mA.
Q: Can AN78L04 be used to regulate voltages other than +5V? A: No, AN78L04 is specifically designed to provide a fixed output voltage of +5V.
Q: Is AN78L04 suitable for battery-powered applications? A: Yes, AN78L04 can be used in battery-powered applications as it has low quiescent current consumption.
Q: Does AN78L04 require any external components for operation? A: Yes, AN78L04 requires input and output capacitors for stability and filtering purposes.
Q: Can AN78L04 handle short-circuit conditions? A: AN78L04 has built-in protection features that allow it to withstand short-circuit conditions without damage.
Q: What is the operating temperature range of AN78L04? A: The operating temperature range of AN78L04 is typically between -40°C and +85°C.
Q: Can AN78L04 be used in automotive applications? A: Yes, AN78L04 is suitable for automotive applications as it meets the necessary standards and requirements.
Q: Are there any alternatives to AN78L04 for voltage regulation? A: Yes, there are other voltage regulator ICs available in the market that provide similar functionality, such as LM7805 or AMS1117.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.