LD2981ABU50TR
Product Overview
Category
The LD2981ABU50TR belongs to the category of low-dropout voltage regulators.
Use
It is used to regulate and stabilize the output voltage in various electronic circuits.
Characteristics
- Low dropout voltage
- High accuracy
- Low quiescent current
- Thermal shutdown protection
Package
The LD2981ABU50TR is available in a small package, typically SOT-23 or DFN, and is designed for surface-mount applications.
Essence
The essence of LD2981ABU50TR lies in its ability to provide stable and regulated output voltage with minimal power loss.
Packaging/Quantity
The LD2981ABU50TR is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.
Specifications
- Output Voltage: 5.0V
- Dropout Voltage: 300mV at 100mA
- Quiescent Current: 50µA
- Operating Temperature Range: -40°C to 125°C
- Maximum Output Current: 100mA
Detailed Pin Configuration
The LD2981ABU50TR typically has three pins: 1. Input (VIN) 2. Ground (GND) 3. Output (VOUT)
Functional Features
- Low dropout voltage
- Thermal shutdown protection
- Short-circuit current limit
- Low noise
Advantages
- High accuracy
- Small package size
- Wide operating temperature range
- Low quiescent current
Disadvantages
- Limited maximum output current
- Higher dropout voltage compared to some alternatives
Working Principles
The LD2981ABU50TR operates by comparing the reference voltage with the feedback voltage to maintain a stable output voltage. It utilizes a series pass PNP transistor to achieve low dropout voltage.
Detailed Application Field Plans
The LD2981ABU50TR is commonly used in battery-powered devices, sensor modules, portable electronics, and other applications requiring a stable 5V power supply with low power consumption.
Detailed and Complete Alternative Models
Some alternative models to LD2981ABU50TR include: - LM2937-5.0 - MIC5205-5.0YM5 - MCP1700-5002E/TO
In conclusion, the LD2981ABU50TR is a low-dropout voltage regulator that offers high accuracy and low quiescent current, making it suitable for various low-power electronic applications.
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技術ソリューションにおける LD2981ABU50TR 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 LD2981ABU50TR:
What is LD2981ABU50TR?
- LD2981ABU50TR is a low dropout voltage regulator with a fixed output voltage of 5.0V.
What is the input voltage range for LD2981ABU50TR?
- The input voltage range for LD2981ABU50TR is typically between 6.5V and 16V.
What is the maximum output current of LD2981ABU50TR?
- The maximum output current of LD2981ABU50TR is 150mA.
What is the dropout voltage of LD2981ABU50TR?
- The dropout voltage of LD2981ABU50TR is typically 400mV at 100mA.
Is LD2981ABU50TR suitable for battery-powered applications?
- Yes, LD2981ABU50TR is suitable for battery-powered applications due to its low dropout voltage and low quiescent current.
Can LD2981ABU50TR be used in automotive electronics?
- Yes, LD2981ABU50TR is suitable for automotive electronics applications, provided it meets the specific requirements and standards for automotive use.
Does LD2981ABU50TR require external capacitors for stability?
- Yes, LD2981ABU50TR requires input and output capacitors for stability, as specified in the datasheet.
What are the typical applications of LD2981ABU50TR?
- Typical applications of LD2981ABU50TR include powering microcontrollers, sensors, and other low-power electronic devices.
What is the thermal resistance of LD2981ABU50TR?
- The thermal resistance of LD2981ABU50TR is typically 200°C/W.
Is LD2981ABU50TR available in different package options?
- Yes, LD2981ABU50TR is available in different package options, such as DPAK and SO-8, to suit various application requirements.
I hope these questions and answers provide helpful information about LD2981ABU50TR for your technical solutions. Let me know if you need further assistance!