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KA7908TSTU
Basic Information Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Fixed Negative Voltage Regulator, -8V Output
- Package: TO-220
- Essence: Regulates input voltage to a fixed -8V output
- Packaging/Quantity: Typically sold in packs of 10 or 25
Specifications
- Input Voltage Range: -10V to -35V
- Output Voltage: -8V
- Output Current: Up to 1A
- Dropout Voltage: 2V (maximum)
- Line Regulation: 0.01%/V (typical)
- Load Regulation: 0.5% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
- Input Voltage (VIN)
- Ground (GND)
- Output Voltage (VOUT)
Functional Features
- Fixed negative voltage regulation
- Low dropout voltage
- Excellent line and load regulation
- Thermal shutdown protection
- Short circuit current limiting
Advantages
- Provides a stable -8V output regardless of input voltage fluctuations
- Suitable for various applications requiring a negative voltage supply
- Compact TO-220 package allows for easy integration into circuits
- Efficient thermal management ensures reliable operation
Disadvantages
- Limited output current capacity (up to 1A)
- Dropout voltage may cause power dissipation in high current applications
- Requires external components for proper operation (input/output capacitors)
Working Principles
KA7908TSTU is a fixed negative voltage regulator that utilizes a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the series pass transistor accordingly to maintain a constant -8V output.
Detailed Application Field Plans
- Power supplies for audio amplifiers
- Negative voltage biasing in analog circuits
- Battery chargers and power management systems
- Industrial control systems
- Automotive electronics
Detailed and Complete Alternative Models
- LM7908: Similar fixed negative voltage regulator with -8V output, available in various packages.
- MC79L08: Low dropout negative voltage regulator with -8V output, suitable for battery-powered applications.
- LT1054: Switched-capacitor voltage converter capable of generating a negative voltage supply.
Note: This entry provides an overview of KA7908TSTU, but for more detailed information, please refer to the datasheet provided by the manufacturer.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací KA7908TSTU v technických řešeních
Sure! Here are 10 common questions and answers related to the application of KA7908TSTU in technical solutions:
Q: What is KA7908TSTU? A: KA7908TSTU is a voltage regulator IC that provides a fixed output voltage of -8V.
Q: What is the input voltage range for KA7908TSTU? A: The input voltage range for KA7908TSTU is typically between -10V and -35V.
Q: What is the maximum output current of KA7908TSTU? A: The maximum output current of KA7908TSTU is 1A.
Q: Can KA7908TSTU be used in both AC and DC applications? A: Yes, KA7908TSTU can be used in both AC and DC applications.
Q: Is KA7908TSTU suitable for high-temperature environments? A: Yes, KA7908TSTU is designed to operate in high-temperature environments up to 125°C.
Q: Does KA7908TSTU require any external components for operation? A: Yes, KA7908TSTU requires input and output capacitors for stable operation.
Q: Can KA7908TSTU handle short-circuit conditions? A: Yes, KA7908TSTU has built-in protection features to handle short-circuit conditions.
Q: What is the dropout voltage of KA7908TSTU? A: The dropout voltage of KA7908TSTU is typically around 2V.
Q: Can KA7908TSTU be used in battery-powered applications? A: Yes, KA7908TSTU can be used in battery-powered applications as long as the input voltage is within the specified range.
Q: Is KA7908TSTU suitable for audio amplifier circuits? A: Yes, KA7908TSTU can be used in audio amplifier circuits to provide a stable -8V power supply.
Please note that these answers are general and may vary depending on the specific application and requirements.