L4936E
Product Overview
- Category: Integrated Circuit (IC)
- Use: Voltage Regulator
- Characteristics: High efficiency, low dropout voltage, adjustable output voltage, thermal shutdown protection
- Package: TO-220
- Essence: Linear voltage regulator with adjustable output voltage
- Packaging/Quantity: Available in tubes of 50 units
Specifications
- Input Voltage Range: 4.5V to 20V
- Output Voltage Range: 1.2V to 18V
- Dropout Voltage: 0.5V (typical) at 1A load current
- Output Current: Up to 1.5A
- Line Regulation: ±0.2% (typical)
- Load Regulation: ±0.4% (typical)
- Quiescent Current: 1.5mA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L4936E IC has the following pin configuration:
- GND (Ground)
- ADJ (Adjustable Output Voltage)
- VIN (Input Voltage)
- VOUT (Output Voltage)
Functional Features
- Adjustable Output Voltage: The ADJ pin allows the user to set the desired output voltage within the specified range.
- High Efficiency: The L4936E offers high efficiency due to its low dropout voltage and low quiescent current.
- Thermal Shutdown Protection: The IC includes a thermal shutdown feature that protects it from overheating.
Advantages and Disadvantages
Advantages: - Wide input voltage range - Adjustable output voltage - High efficiency - Thermal shutdown protection
Disadvantages: - Limited output current (up to 1.5A)
Working Principles
The L4936E is a linear voltage regulator that regulates the output voltage by adjusting the resistance between the ADJ pin and GND. It operates by comparing the reference voltage with the feedback voltage obtained from a resistive divider connected to the output.
Detailed Application Field Plans
The L4936E is commonly used in various applications, including: - Power supplies for industrial equipment - Battery-powered devices - Automotive electronics - Consumer electronics
Detailed and Complete Alternative Models
Some alternative models to the L4936E include: - LM317: Adjustable voltage regulator with higher output current capability - LT1085: Adjustable voltage regulator with lower dropout voltage - LM1117: Fixed voltage regulator with various output voltage options
These alternative models 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 L4936E 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 L4936E in technical solutions:
Q: What is L4936E? A: L4936E is a voltage regulator IC (Integrated Circuit) commonly used in technical solutions to regulate and stabilize voltage levels.
Q: What is the input voltage range of L4936E? A: The input voltage range of L4936E is typically between 4.5V and 40V.
Q: What is the output voltage range of L4936E? A: The output voltage range of L4936E can be adjusted from 1.25V to 37V using external resistors.
Q: What is the maximum output current of L4936E? A: The maximum output current of L4936E is 1.5A, which makes it suitable for powering various electronic components.
Q: Is L4936E suitable for low-power applications? A: Yes, L4936E can be used in low-power applications as it has a low quiescent current and standby current consumption.
Q: Does L4936E have built-in protection features? A: Yes, L4936E includes built-in protection features such as thermal shutdown, current limiting, and short-circuit protection.
Q: Can L4936E operate in high-temperature environments? A: Yes, L4936E is designed to operate in a wide temperature range, typically from -40°C to +125°C.
Q: Can L4936E be used in automotive applications? A: Yes, L4936E is suitable for automotive applications as it meets the requirements for automotive-grade components.
Q: Can L4936E be used in battery-powered devices? A: Yes, L4936E can be used in battery-powered devices as it has a low dropout voltage and operates efficiently with low input voltages.
Q: Are there any application notes or reference designs available for L4936E? A: Yes, the manufacturer of L4936E provides application notes and reference designs that can help in implementing the IC effectively in various technical solutions.
Please note that these answers are general and may vary depending on specific requirements and datasheet specifications.