LD3980PU135R
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Low dropout, high current capability
- Package: TO-220
- Essence: Linear voltage regulator
- Packaging/Quantity: Tape and reel, 1000 units per reel
Specifications
- Input Voltage Range: 2.5V to 6V
- Output Voltage: 1.35V
- Output Current: Up to 1A
- Dropout Voltage: 300mV at 1A
- Quiescent Current: 75µA
- Line Regulation: 0.05%/V
- Load Regulation: 0.1%/A
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LD3980PU135R has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- VOUT: Output voltage pin
Functional Features
- Low dropout voltage: The LD3980PU135R has a low dropout voltage of only 300mV at 1A, ensuring efficient power conversion.
- High current capability: With an output current of up to 1A, this voltage regulator can handle high current loads.
- Low quiescent current: The LD3980PU135R has a low quiescent current of only 75µA, minimizing power consumption in standby mode.
- Excellent line and load regulation: It offers excellent line and load regulation, ensuring stable output voltage even with varying input voltage and load conditions.
Advantages and Disadvantages
Advantages: - Low dropout voltage ensures efficient power conversion. - High current capability allows for handling high current loads. - Low quiescent current minimizes power consumption in standby mode. - Excellent line and load regulation ensures stable output voltage.
Disadvantages: - Limited input voltage range (2.5V to 6V). - Only available in TO-220 package.
Working Principles
The LD3980PU135R 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, adjusting the pass transistor's resistance to maintain a constant output voltage. The dropout voltage is minimized by using a low dropout pass transistor.
Detailed Application Field Plans
The LD3980PU135R is commonly used in various applications, including but not limited to: - Battery-powered devices - Portable electronic devices - Automotive electronics - Industrial control systems - Communication equipment
Detailed and Complete Alternative Models
Some alternative models to the LD3980PU135R include: - LM1117-1.35 - LT1763-1.35 - ADP3339-1.35 - TPS73601-1.35
These alternatives offer similar specifications and functionality, providing options for different design requirements.
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기술 솔루션에 LD3980PU135R 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LD3980PU135R in technical solutions:
Q: What is LD3980PU135R? A: LD3980PU135R is a voltage regulator IC (Integrated Circuit) that provides a fixed output voltage of 1.35V.
Q: What is the input voltage range for LD3980PU135R? A: The input voltage range for LD3980PU135R is typically between 2.5V and 6V.
Q: What is the maximum output current LD3980PU135R can handle? A: LD3980PU135R can handle a maximum output current of 150mA.
Q: How does LD3980PU135R regulate the output voltage? A: LD3980PU135R uses a feedback mechanism to maintain a constant output voltage, regardless of changes in input voltage or load conditions.
Q: Can LD3980PU135R be used in battery-powered applications? A: Yes, LD3980PU135R can be used in battery-powered applications as it has a low dropout voltage, allowing it to operate even when the input voltage is close to the output voltage.
Q: Is LD3980PU135R suitable for low-power microcontroller applications? A: Yes, LD3980PU135R is suitable for low-power microcontroller applications as it provides a stable and regulated power supply.
Q: Does LD3980PU135R have built-in protection features? A: Yes, LD3980PU135R has built-in protection features such as thermal shutdown, current limit, and reverse polarity protection.
Q: Can LD3980PU135R be used in automotive applications? A: Yes, LD3980PU135R can be used in automotive applications as it is designed to withstand the harsh operating conditions typically found in automotive environments.
Q: What is the typical efficiency of LD3980PU135R? A: The typical efficiency of LD3980PU135R is around 85-90%, depending on the input and output voltage conditions.
Q: Are there any recommended external components for LD3980PU135R? A: Yes, LD3980PU135R requires a few external components such as input and output capacitors for stability and noise filtering. The datasheet provides detailed recommendations for these components.
Please note that these answers are general and may vary based on specific application requirements. It's always recommended to refer to the datasheet and consult with an expert when designing with LD3980PU135R or any other component.