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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技術ソリューションにおける LD2981ABM38TR の適用に関連する 10 件の一般的な質問と回答をリストします。
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.