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AN79L04M
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Low Dropout, Fixed Output Voltage
- Package: TO-252, 3-Pin
- Essence: Linear Regulator
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Input Voltage: Up to 35V
- Output Voltage: -4V
- Output Current: 100mA
- Dropout Voltage: 1.5V (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The AN79L04M 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 AN79L04M regulates the input voltage to a fixed -4V output voltage.
- Low Dropout: It operates with a low dropout voltage, allowing it to regulate even when the input voltage is close to the output voltage.
- Short Circuit Protection: The IC includes built-in short circuit protection to prevent damage in case of a short circuit on the output side.
- Thermal Shutdown: It incorporates thermal shutdown protection to prevent overheating and potential damage to the device.
Advantages and Disadvantages
Advantages
- Simple and compact design
- Low dropout voltage enables efficient regulation
- Built-in short circuit and thermal protection
- Wide operating temperature range
Disadvantages
- Limited output current capacity (100mA)
- Fixed output voltage may not be suitable for all applications
Working Principles
The AN79L04M 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 -4V output voltage, even when the input voltage varies.
Detailed Application Field Plans
The AN79L04M is commonly used in various electronic devices and applications, including:
- Battery-powered devices
- Audio amplifiers
- Automotive electronics
- Industrial control systems
- Consumer electronics
Detailed and Complete Alternative Models
- LM79L04: Similar specifications and pin configuration, manufactured by Texas Instruments.
- MC79L04: Equivalent voltage regulator IC produced by ON Semiconductor.
- UA79L04: Alternative model from Fairchild Semiconductor with comparable characteristics.
These alternative models can be used as substitutes for the AN79L04M, depending on availability and specific requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AN79L04M en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of AN79L04M in technical solutions:
Q: What is AN79L04M? A: AN79L04M is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of -4V.
Q: What is the input voltage range for AN79L04M? A: The input voltage range for AN79L04M is typically between -7V and -20V.
Q: What is the maximum output current of AN79L04M? A: The maximum output current of AN79L04M is around 100mA.
Q: Can AN79L04M be used as a positive voltage regulator? A: No, AN79L04M is specifically designed as a negative voltage regulator.
Q: What are the typical applications of AN79L04M? A: AN79L04M is commonly used in various electronic devices such as audio amplifiers, power supplies, and instrumentation circuits.
Q: Does AN79L04M require any external components for operation? A: Yes, AN79L04M requires a few external components like capacitors for stability and noise filtering.
Q: What is the thermal shutdown feature in AN79L04M? A: AN79L04M has built-in thermal shutdown protection that prevents the IC from overheating by shutting down when the temperature exceeds a certain threshold.
Q: Can AN79L04M handle short-circuit conditions? A: AN79L04M has built-in short-circuit protection, which means it can handle short-circuit conditions without getting damaged.
Q: Is AN79L04M suitable for battery-powered applications? A: Yes, AN79L04M is suitable for battery-powered applications as it has low quiescent current and operates efficiently with low input voltages.
Q: Can AN79L04M be used in automotive applications? A: Yes, AN79L04M can be used in automotive applications that require a negative voltage regulator, provided it meets the required specifications and operating conditions.
Please note that these answers are general and may vary depending on specific datasheet information and application requirements.