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RT9819A-42GV
Product Overview
Category
RT9819A-42GV belongs to the category of voltage regulators.
Use
It is primarily used for regulating and stabilizing voltage in electronic circuits.
Characteristics
- High precision voltage regulation
- Low dropout voltage
- Wide input voltage range
- Thermal shutdown protection
- Short circuit current limit
Package
RT9819A-42GV is available in a compact SOT-23 package.
Essence
The essence of RT9819A-42GV lies in its ability to provide stable and regulated voltage output, ensuring reliable performance of electronic devices.
Packaging/Quantity
RT9819A-42GV is typically packaged in reels containing 3000 units.
Specifications
- Input Voltage Range: 2.5V - 6.0V
- Output Voltage: 4.2V
- Dropout Voltage: 200mV @ 100mA
- Quiescent Current: 50μA
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
- VIN (Input Voltage)
- GND (Ground)
- VOUT (Output Voltage)
Functional Features
- High accuracy voltage regulation
- Low power consumption
- Overcurrent protection
- Thermal shutdown protection
- Fast transient response
Advantages
- Precise voltage regulation ensures stable operation of electronic devices.
- Low dropout voltage minimizes power loss and extends battery life.
- Wide input voltage range allows compatibility with various power sources.
- Thermal shutdown protection prevents damage due to excessive heat.
- Short circuit current limit protects the regulator and connected components.
Disadvantages
- Limited output voltage options (only 4.2V in this case).
- SOT-23 package may require additional space on the PCB.
Working Principles
RT9819A-42GV operates based on a feedback mechanism that compares the output voltage with a reference voltage. Any deviation from the desired output voltage is corrected by adjusting the internal circuitry, ensuring a stable and regulated output.
Detailed Application Field Plans
RT9819A-42GV finds applications in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices
Detailed and Complete Alternative Models
- RT9819A-33GV: Output voltage of 3.3V
- RT9819A-50GV: Output voltage of 5.0V
- RT9819B-42GV: Improved version with additional features
These alternative models provide different output voltage options and may have enhanced characteristics or additional functionalities compared to RT9819A-42GV.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací RT9819A-42GV v technických řešeních
Sure! Here are 10 common questions and answers related to the application of RT9819A-42GV in technical solutions:
Q: What is RT9819A-42GV? A: RT9819A-42GV is a voltage regulator IC (Integrated Circuit) that provides a stable output voltage of 4.2V.
Q: What is the input voltage range for RT9819A-42GV? A: The input voltage range for RT9819A-42GV is typically between 2.5V and 5.5V.
Q: What is the maximum output current of RT9819A-42GV? A: The maximum output current of RT9819A-42GV is typically 300mA.
Q: Can RT9819A-42GV be used in battery-powered applications? A: Yes, RT9819A-42GV can be used in battery-powered applications as it operates within a wide input voltage range and has low dropout voltage.
Q: Is RT9819A-42GV suitable for low-power IoT devices? A: Yes, RT9819A-42GV is suitable for low-power IoT devices due to its low quiescent current and high efficiency.
Q: Does RT9819A-42GV have built-in thermal protection? A: Yes, RT9819A-42GV has built-in thermal shutdown protection to prevent overheating.
Q: Can RT9819A-42GV be used in automotive applications? A: Yes, RT9819A-42GV is automotive-grade and can be used in automotive applications that require a stable 4.2V output.
Q: What is the typical dropout voltage of RT9819A-42GV? A: The typical dropout voltage of RT9819A-42GV is around 200mV at 100mA load.
Q: Does RT9819A-42GV require any external components for operation? A: Yes, RT9819A-42GV requires a minimum number of external components such as input and output capacitors for stability.
Q: Is RT9819A-42GV available in different package options? A: Yes, RT9819A-42GV is available in various package options including SOT-23, SOT-89, and DFN to suit different application requirements.
Please note that the answers provided here are general and may vary depending on the specific datasheet and application guidelines provided by the manufacturer.