LM217LD13TR
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - Adjustable output voltage - Low dropout voltage - Current limiting and thermal shutdown protection - Wide input voltage range - High ripple rejection ratio
Package: TO-252-3 (DPAK)
Essence: The LM217LD13TR is a voltage regulator IC that provides a stable output voltage for various electronic devices.
Packaging/Quantity: The LM217LD13TR is typically sold in reels containing 2,500 units.
Specifications
- Input Voltage Range: 4.5V to 40V
- Output Voltage Range: 1.2V to 37V
- Output Current: Up to 1.5A
- Dropout Voltage: 1.2V (typical)
- Ripple Rejection Ratio: 80dB (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LM217LD13TR has three pins:
- Input Pin (IN): This pin is connected to the input voltage source.
- Output Pin (OUT): The regulated output voltage is obtained from this pin.
- Ground Pin (GND): This pin is connected to the ground reference.
Functional Features
- Adjustable Output Voltage: The LM217LD13TR allows the user to adjust the output voltage within a specified range.
- Low Dropout Voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
- Current Limiting and Thermal Shutdown Protection: The IC incorporates protection mechanisms to prevent damage due to excessive current or temperature.
- Wide Input Voltage Range: The LM217LD13TR can accept a wide range of input voltages, making it suitable for various applications.
- High Ripple Rejection Ratio: The IC provides excellent rejection of input voltage ripple, ensuring a clean output voltage.
Advantages and Disadvantages
Advantages: - Adjustable output voltage allows flexibility in different applications. - Low dropout voltage ensures efficient power conversion. - Current limiting and thermal shutdown protection enhance reliability. - Wide input voltage range enables compatibility with diverse power sources. - High ripple rejection ratio ensures a stable output voltage.
Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Requires external components for proper operation. - Sensitive to input voltage fluctuations, which may affect the output stability.
Working Principles
The LM217LD13TR is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with a fraction of the output voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
The LM217LD13TR can be used in various applications, including but not limited to: 1. Power supplies for electronic devices 2. Battery chargers 3. Automotive electronics 4. Industrial control systems 5. Audio amplifiers
Detailed and Complete Alternative Models
Some alternative models to the LM217LD13TR include: - LM317T - LM1117-ADJ - LT1086CT - L7805CV - NCP1117ST50T3G
These models offer similar functionality and can be used as substitutes depending on specific requirements.
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기술 솔루션에 LM217LD13TR 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LM217LD13TR in technical solutions:
Q: What is LM217LD13TR? A: LM217LD13TR is a voltage regulator IC (integrated circuit) that provides a regulated output voltage.
Q: What is the input voltage range for LM217LD13TR? A: The input voltage range for LM217LD13TR is typically between 4.5V and 40V.
Q: What is the output voltage range of LM217LD13TR? A: The output voltage range of LM217LD13TR is adjustable, but it can typically provide a regulated output voltage between 1.2V and 37V.
Q: How much current can LM217LD13TR handle? A: LM217LD13TR can handle a maximum output current of 1.5A.
Q: Can LM217LD13TR be used in both step-up and step-down applications? A: No, LM217LD13TR is primarily designed for step-down (buck) applications where the output voltage is lower than the input voltage.
Q: Is LM217LD13TR suitable for battery-powered applications? A: Yes, LM217LD13TR can be used in battery-powered applications as it has low quiescent current and low dropout voltage.
Q: Does LM217LD13TR require any external components for operation? A: Yes, LM217LD13TR requires a few external components such as capacitors and resistors for proper operation and stability.
Q: Can LM217LD13TR handle thermal overload? A: Yes, LM217LD13TR has built-in thermal overload protection that shuts down the device if it exceeds the safe operating temperature.
Q: Can LM217LD13TR be used in automotive applications? A: Yes, LM217LD13TR is suitable for automotive applications as it can handle the required voltage and current levels.
Q: Are there any specific precautions to consider when using LM217LD13TR? A: It is important to ensure proper heat dissipation, avoid exceeding the maximum ratings, and follow the manufacturer's guidelines for layout and component selection.
Please note that these answers are general and may vary depending on the specific application and requirements.