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LD2982AM50R
Product Overview
Category
The LD2982AM50R belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- Low dropout voltage
- Low quiescent current
- High output voltage accuracy
- Thermal shutdown protection
- Short-circuit current limit
Package
The LD2982AM50R comes in a small surface-mount package.
Essence
The essence of LD2982AM50R lies in its ability to provide stable and regulated voltage output.
Packaging/Quantity
The LD2982AM50R is typically packaged in reels and is available in large quantities.
Specifications
- Input Voltage Range: 2.5V - 16V
- Output Voltage: 5V
- Dropout Voltage: 0.3V (typical)
- Quiescent Current: 75µA (typical)
- Output Current: Up to 250mA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LD2982AM50R has three pins:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
Functional Features
- Low dropout voltage ensures efficient regulation even with low input voltages.
- Low quiescent current minimizes power consumption when the regulator is idle.
- High output voltage accuracy provides precise voltage regulation.
- Thermal shutdown protection prevents damage due to excessive heat.
- Short-circuit current limit protects the regulator from overcurrent conditions.
Advantages and Disadvantages
Advantages
- Stable and regulated output voltage
- Wide input voltage range
- Low power consumption
- Compact size
- Protection features
Disadvantages
- Limited output current capacity
- Higher cost compared to some alternatives
Working Principles
The LD2982AM50R 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 to maintain a stable output voltage.
Detailed Application Field Plans
The LD2982AM50R finds applications in various electronic devices, including: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - IoT devices
Detailed and Complete Alternative Models
Some alternative models to LD2982AM50R include: - LM1117-5.0: A popular 5V linear voltage regulator with similar specifications. - LT1761-5: Low dropout linear regulator with adjustable output voltage. - TPS7A4700: High-performance low-dropout voltage regulator with ultra-low noise.
These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LD2982AM50R en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LD2982AM50R in technical solutions:
Q: What is LD2982AM50R? A: LD2982AM50R is a low-dropout voltage regulator IC that provides a stable output voltage with low dropout voltage.
Q: What is the input voltage range for LD2982AM50R? A: The input voltage range for LD2982AM50R is typically between 2.5V and 16V.
Q: What is the output voltage of LD2982AM50R? A: The output voltage of LD2982AM50R is fixed at 5V.
Q: What is the maximum output current LD2982AM50R can handle? A: LD2982AM50R can handle a maximum output current of 50mA.
Q: Is LD2982AM50R suitable for battery-powered applications? A: Yes, LD2982AM50R is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.
Q: Can LD2982AM50R be used in automotive applications? A: Yes, LD2982AM50R is designed to meet automotive requirements and can be used in automotive applications.
Q: Does LD2982AM50R have built-in protection features? A: Yes, LD2982AM50R has built-in protection features such as thermal shutdown and current limit protection.
Q: What is the operating temperature range for LD2982AM50R? A: The operating temperature range for LD2982AM50R is typically between -40°C and +125°C.
Q: Can LD2982AM50R be used in space-constrained applications? A: Yes, LD2982AM50R is available in a small SOT-23 package, making it suitable for space-constrained applications.
Q: Are there any application notes or reference designs available for LD2982AM50R? A: Yes, the manufacturer provides application notes and reference designs that can help with the implementation of LD2982AM50R in various technical solutions.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's guidelines for LD2982AM50R.