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LD2981ABM38TR
Product Overview
Category
LD2981ABM38TR belongs to the category of voltage regulators.
Use
It is used to regulate and stabilize voltage in electronic circuits.
Characteristics
- Low dropout voltage
- Low quiescent current
- High output voltage accuracy
- Thermal shutdown protection
- Short-circuit current limit
- Wide input voltage range
Package
LD2981ABM38TR comes in a small surface-mount package.
Essence
The essence of LD2981ABM38TR is to provide a stable and regulated voltage output for various electronic devices.
Packaging/Quantity
LD2981ABM38TR is typically packaged in reels and is available in large quantities.
Specifications
- Input Voltage Range: 2.5V to 16V
- Output Voltage: 3.8V
- Dropout Voltage: 0.4V (typical)
- Quiescent Current: 50µA (typical)
- Output Current: Up to 100mA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
LD2981ABM38TR has the following pin configuration:
- 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.
- Thermal shutdown protection prevents damage due to excessive temperature.
- Short-circuit current limit protects the regulator and connected devices from excessive current.
- Wide input voltage range allows compatibility with various power sources.
Advantages and Disadvantages
Advantages
- Provides stable and regulated output voltage.
- Suitable for low-power applications.
- Compact surface-mount package.
- Offers thermal shutdown protection.
Disadvantages
- Limited output current capacity.
- Not suitable for high-power applications.
Working Principles
LD2981ABM38TR operates based on the principle of voltage regulation using a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, regardless of changes in input voltage or load conditions.
Detailed Application Field Plans
LD2981ABM38TR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - IoT devices - Automotive electronics - Industrial control systems
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to LD2981ABM38TR are: - LM1117-3.8 - XC6206P382MR - LP2981AIM5-3.8
These models offer similar voltage regulation capabilities and can be used as substitutes depending on specific requirements and availability.
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van LD2981ABM38TR in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of LD2981ABM38TR in technical solutions:
Q1: What is LD2981ABM38TR? A1: LD2981ABM38TR is a low dropout voltage regulator IC that provides a fixed output voltage of 3.8V.
Q2: What is the input voltage range for LD2981ABM38TR? A2: The input voltage range for LD2981ABM38TR is typically between 2.5V and 16V.
Q3: What is the maximum output current LD2981ABM38TR can handle? A3: LD2981ABM38TR can handle a maximum output current of 100mA.
Q4: Can LD2981ABM38TR be used in battery-powered applications? A4: Yes, LD2981ABM38TR can be used in battery-powered applications as it has a low dropout voltage and low quiescent current.
Q5: Is LD2981ABM38TR suitable for use in automotive electronics? A5: Yes, LD2981ABM38TR is suitable for use in automotive electronics as it can withstand high temperatures and has a wide operating temperature range.
Q6: Does LD2981ABM38TR have built-in protection features? A6: Yes, LD2981ABM38TR has built-in protection features such as thermal shutdown, current limit, and reverse polarity protection.
Q7: Can LD2981ABM38TR be used in both analog and digital circuits? A7: Yes, LD2981ABM38TR can be used in both analog and digital circuits as it provides a stable and regulated output voltage.
Q8: What is the typical dropout voltage of LD2981ABM38TR? A8: The typical dropout voltage of LD2981ABM38TR is 0.4V at 100mA load current.
Q9: Can LD2981ABM38TR be used in space-constrained applications? A9: Yes, LD2981ABM38TR is available in a small SOT-23 package, making it suitable for space-constrained applications.
Q10: Is LD2981ABM38TR RoHS compliant? A10: Yes, LD2981ABM38TR is RoHS compliant, ensuring it meets the environmental standards for hazardous substances.
Please note that these answers are general and may vary depending on specific application requirements.