LM350K
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - Adjustable output voltage - High current capability - Thermal overload protection - Short circuit protection
Package: TO-3 metal can package
Essence: The LM350K is a three-terminal adjustable voltage regulator that provides a highly efficient means of regulating voltages. It is capable of supplying up to 3A of output current with an adjustable output voltage range of 1.2V to 33V.
Packaging/Quantity: The LM350K is typically sold individually in anti-static packaging.
Specifications
- Input Voltage Range: 4.2V to 40V
- Output Voltage Range: 1.2V to 33V
- Output Current: Up to 3A
- Dropout Voltage: 3V (typical)
- Line Regulation: 0.01%/V (typical)
- Load Regulation: 0.1% (typical)
- Temperature Range: -40°C to +125°C
Pin Configuration
The LM350K has three pins:
- Input Pin (Vin): This pin is used to connect the input voltage source.
- Output Pin (Vout): This pin provides the regulated output voltage.
- Adjust Pin (Adj): This pin is used to adjust the output voltage.
Functional Features
- Adjustable output voltage allows for flexibility in various applications.
- High current capability makes it suitable for powering a wide range of electronic devices.
- Thermal overload protection prevents damage due to excessive heat.
- Short circuit protection safeguards the regulator and connected components.
Advantages and Disadvantages
Advantages: - Wide input voltage range enables compatibility with different power sources. - Adjustable output voltage provides versatility in design. - High current capability allows for powering demanding loads. - Thermal and short circuit protection enhance reliability.
Disadvantages: - Dropout voltage of 3V may limit its use in low voltage applications. - TO-3 package may require additional heat sinking for efficient operation.
Working Principles
The LM350K operates as a linear voltage regulator. It uses a reference voltage, feedback mechanism, and pass transistor to maintain a stable output voltage. The adjustable output voltage is set by the ratio of two resistors connected to the adjust pin.
Detailed Application Field Plans
The LM350K can be used in various applications, including: 1. Power supply circuits 2. Battery chargers 3. Audio amplifiers 4. LED drivers 5. Industrial control systems
Detailed and Complete Alternative Models
Some alternative models to the LM350K include: - LM317T - LM338K - LT1083CP - LT1963AET
These models offer similar functionality and can be used as substitutes depending on specific requirements.
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기술 솔루션에 LM350K 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of LM350K in technical solutions:
Q: What is LM350K? A: LM350K is a voltage regulator integrated circuit (IC) that can provide a regulated output voltage up to 3A.
Q: What is the input voltage range for LM350K? A: The input voltage range for LM350K is typically between 4.2V and 40V.
Q: What is the output voltage range of LM350K? A: The output voltage range of LM350K can be adjusted from 1.2V to 33V using external resistors.
Q: How much current can LM350K handle? A: LM350K can handle a maximum continuous output current of 3A.
Q: Can LM350K be used as a step-down (buck) converter? A: Yes, LM350K can be used as a step-down converter by adjusting the output voltage lower than the input voltage.
Q: Is LM350K suitable for high-power applications? A: LM350K is not recommended for high-power applications as it has a maximum power dissipation limit of 20W.
Q: Does LM350K require any external components for operation? A: Yes, LM350K requires external capacitors and resistors for stability and voltage regulation.
Q: Can LM350K handle short-circuit conditions? A: LM350K has built-in thermal shutdown protection, which helps protect the IC during short-circuit conditions.
Q: Can LM350K operate in a wide temperature range? A: Yes, LM350K can operate in a temperature range of -40°C to 125°C.
Q: What are some typical applications of LM350K? A: LM350K is commonly used in power supplies, battery chargers, adjustable voltage regulators, and other applications requiring a regulated DC voltage.
Please note that these answers are general and may vary depending on the specific application and circuit design.