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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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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L79L15ABD13TR in technische oplossingen
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.