L4936N
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: Low Dropout, Adjustable Output Voltage
- Package: TO-220
- Essence: Linear Voltage Regulator
- Packaging/Quantity: Tube/50 pieces
Specifications
- Input Voltage: 4.5V to 26V
- Output Voltage Range: 1.2V to 20V
- Output Current: Up to 1.5A
- Dropout Voltage: 0.6V (typical) at 1A load
- Quiescent Current: 75µA (typical)
- Line Regulation: 0.05% (typical)
- Load Regulation: 0.1% (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L4936N IC has the following pin configuration:
- VIN: Input voltage pin
- GND: Ground pin
- ADJ: Adjustable output voltage pin
- VOUT: Output voltage pin
Functional Features
- Low dropout voltage: Allows operation with small input-output voltage differentials.
- Adjustable output voltage: Provides flexibility in setting the desired output voltage.
- Overcurrent and thermal protection: Safeguards the IC from excessive current or temperature.
Advantages and Disadvantages
Advantages: - Low dropout voltage enables efficient regulation even with low input-output voltage differentials. - Adjustable output voltage allows customization for various applications. - Overcurrent and thermal protection enhance reliability and safety.
Disadvantages: - Limited output current capacity compared to higher-rated regulators. - Higher quiescent current compared to some modern low-power regulators.
Working Principles
The L4936N is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
The L4936N is suitable for various applications requiring regulated power supply, such as: - Battery-powered devices - Automotive electronics - Industrial control systems - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the L4936N include: - LM317: Adjustable voltage regulator with higher output current capacity. - LT1083: High-current adjustable voltage regulator with low dropout voltage. - LM1117: Low dropout voltage regulator with fixed output voltage options.
These alternatives offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.
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技術ソリューションにおける L4936N 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 L4936N in technical solutions:
Q: What is L4936N? A: L4936N is a voltage regulator IC (integrated circuit) commonly used in electronic circuits to regulate and stabilize voltage levels.
Q: What is the input voltage range of L4936N? A: The input voltage range of L4936N is typically between 4.5V and 40V.
Q: What is the output voltage range of L4936N? A: The output voltage range of L4936N can be adjusted from 1.25V to 37V using external resistors.
Q: What is the maximum output current of L4936N? A: The maximum output current of L4936N is 1.5A, which makes it suitable for powering various electronic components.
Q: Can L4936N handle high temperatures? A: Yes, L4936N is designed to operate reliably at high temperatures. It has a maximum operating temperature of 150°C.
Q: Does L4936N have built-in protection features? A: Yes, L4936N includes built-in protection features such as thermal shutdown, current limiting, and short-circuit protection.
Q: Can L4936N be used in battery-powered applications? A: Yes, L4936N can be used in battery-powered applications as it has low quiescent current and supports low dropout voltage operation.
Q: How do I connect L4936N in my circuit? A: L4936N requires input and output capacitors for stability. The datasheet provides detailed information on the recommended circuit connections.
Q: Can L4936N be used in both step-up and step-down voltage applications? A: Yes, L4936N can be used in both step-up (boost) and step-down (buck) voltage applications, depending on the external components used.
Q: Is L4936N suitable for automotive applications? A: Yes, L4936N is suitable for automotive applications as it meets the requirements for automotive-grade components and has a wide input voltage range.
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 for accurate information.