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L79L15ABD13TR
Basic Information Overview
- Category: Voltage Regulator
- Use: To regulate and stabilize voltage in electronic circuits
- Characteristics:
- Low dropout voltage
- High output current capability
- Thermal shutdown protection
- Short-circuit protection
- Package: TO-252 (DPAK)
- Essence: Linear voltage regulator
- Packaging/Quantity: Tape and reel, 2,500 units per reel
Specifications
- Input Voltage Range: -35V to -17V
- Output Voltage: -15V
- Output Current: Up to 100mA
- Dropout Voltage: 1.5V (typical)
- Quiescent Current: 4mA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L79L15ABD13TR voltage regulator has three pins: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground reference of the circuit. 3. Output (VOUT): Provides the regulated output voltage.
Functional Features
- Voltage Regulation: The L79L15ABD13TR maintains a constant -15V output voltage regardless of changes in the input voltage or load conditions.
- Low Dropout Voltage: The regulator can operate with a small voltage difference between the input and output, minimizing power dissipation.
- Thermal Shutdown Protection: If the temperature exceeds a safe limit, the device shuts down to prevent damage.
- Short-Circuit Protection: The regulator is designed to withstand short-circuit conditions without being damaged.
Advantages and Disadvantages
Advantages: - Stable and regulated output voltage - Low dropout voltage - Thermal and short-circuit protection - Suitable for low-power applications
Disadvantages: - Limited output current capability (up to 100mA) - Requires external capacitors for stability
Working Principles
The L79L15ABD13TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant -15V output.
Detailed Application Field Plans
The L79L15ABD13TR is commonly used in various electronic applications, including: 1. Power supply circuits for analog and digital systems 2. Battery-powered devices requiring a stable negative voltage 3. Audio amplifiers and preamplifiers 4. Industrial control systems 5. Automotive electronics
Detailed and Complete Alternative Models
- LM7905: Negative voltage regulator with similar specifications and pin configuration.
- MC79L15: Another negative voltage regulator with comparable characteristics.
- LT1963A: Adjustable negative voltage regulator with higher output current capability.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L79L15ABD13TR v technických řešeních
Sure! Here are 10 common questions and answers related to the application of L79L15ABD13TR in technical solutions:
Q: What is L79L15ABD13TR? A: L79L15ABD13TR is a voltage regulator IC that provides a fixed output voltage of -15V.
Q: What are the typical applications of L79L15ABD13TR? A: L79L15ABD13TR is commonly used in various electronic devices, such as power supplies, amplifiers, and industrial control systems.
Q: How does L79L15ABD13TR regulate voltage? A: L79L15ABD13TR uses an internal circuitry to maintain a constant -15V output voltage regardless of input voltage fluctuations.
Q: What is the maximum input voltage for L79L15ABD13TR? A: The maximum input voltage for L79L15ABD13TR is typically around -35V.
Q: Can L79L15ABD13TR handle high current loads? A: Yes, L79L15ABD13TR can handle moderate current loads up to a certain limit, usually around 100mA.
Q: Is L79L15ABD13TR suitable for battery-powered applications? A: Yes, L79L15ABD13TR can be used in battery-powered applications as it efficiently regulates voltage and consumes low power itself.
Q: Does L79L15ABD13TR require any external components for operation? A: Yes, L79L15ABD13TR requires input and output capacitors for stability and noise reduction.
Q: Can L79L15ABD13TR withstand high temperatures? A: L79L15ABD13TR has a maximum operating temperature range of -40°C to 125°C, making it suitable for most applications.
Q: Is L79L15ABD13TR available in different package options? A: Yes, L79L15ABD13TR is available in various package options, such as TO-92 and SOT-89.
Q: Where can I find the datasheet and application notes for L79L15ABD13TR? A: The datasheet and application notes for L79L15ABD13TR can be found on the manufacturer's website or through authorized distributors.