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L4931CZ80-AP
Product Overview
Category
L4931CZ80-AP belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- Low dropout voltage
- Output current up to 100 mA
- Fixed output voltage of 8.0V
- Thermal shutdown and short-circuit protection
- Low quiescent current
Package
L4931CZ80-AP comes in a TO-92 package.
Essence
The essence of L4931CZ80-AP lies in its ability to provide a stable and regulated output voltage for various electronic applications.
Packaging/Quantity
This product is typically packaged in reels or tubes, with a quantity of 2000 units per reel/tube.
Specifications
- Input Voltage Range: 4.2V to 20V
- Output Voltage: 8.0V
- Dropout Voltage: 0.5V (typical)
- Quiescent Current: 5mA (typical)
- Output Current: Up to 100mA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
L4931CZ80-AP has three pins:
- Vin (Pin 1): Input voltage pin
- GND (Pin 2): Ground pin
- Vout (Pin 3): Output voltage pin
Functional Features
- Low dropout voltage ensures efficient regulation even with small input-output differentials.
- Thermal shutdown protects the device from overheating.
- Short-circuit protection prevents damage in case of a short circuit.
- Low quiescent current minimizes power consumption when the load is light.
Advantages and Disadvantages
Advantages
- Stable and accurate output voltage regulation.
- Wide input voltage range allows for versatile applications.
- Compact TO-92 package enables easy integration into various circuit designs.
- Thermal shutdown and short-circuit protection enhance reliability.
Disadvantages
- Limited output current capability (up to 100mA).
- Dropout voltage of 0.5V may not be suitable for applications with tight voltage margins.
Working Principles
L4931CZ80-AP is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.
Detailed Application Field Plans
L4931CZ80-AP finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Embedded systems - Consumer electronics - Industrial control systems - Automotive electronics
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to L4931CZ80-AP are: - LM7808: A popular 8.0V voltage regulator with higher output current capability. - LT1084: A high-performance adjustable voltage regulator suitable for demanding applications. - TS2950: A low-power voltage regulator with similar characteristics and package as L4931CZ80-AP.
These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L4931CZ80-AP v technických řešeních
Sure! Here are 10 common questions and answers related to the application of L4931CZ80-AP in technical solutions:
Q1: What is the L4931CZ80-AP? A1: The L4931CZ80-AP is a low-dropout voltage regulator IC that provides a fixed output voltage of 3.3V with a maximum output current of 250mA.
Q2: What are the typical applications of L4931CZ80-AP? A2: The L4931CZ80-AP is commonly used in various electronic devices such as microcontrollers, sensors, and other low-power digital circuits that require a stable 3.3V power supply.
Q3: What is the dropout voltage of L4931CZ80-AP? A3: The dropout voltage of L4931CZ80-AP is typically around 0.6V at a maximum load current of 250mA.
Q4: What is the input voltage range for L4931CZ80-AP? A4: The input voltage range for L4931CZ80-AP is typically between 4.5V and 20V.
Q5: How does L4931CZ80-AP handle thermal protection? A5: L4931CZ80-AP has built-in thermal shutdown protection that prevents the IC from overheating by shutting down the output when the junction temperature exceeds a certain threshold.
Q6: Can L4931CZ80-AP be used in battery-powered applications? A6: Yes, L4931CZ80-AP is suitable for battery-powered applications as it has a low quiescent current and operates efficiently even at low input voltages.
Q7: Does L4931CZ80-AP require external capacitors for stability? A7: Yes, L4931CZ80-AP requires an input and output capacitor for stability. A 10µF tantalum or electrolytic capacitor is recommended at the input, and a 1µF ceramic capacitor is recommended at the output.
Q8: What is the maximum load current that L4931CZ80-AP can handle? A8: The maximum load current of L4931CZ80-AP is 250mA. Exceeding this limit may cause the voltage regulator to overheat or malfunction.
Q9: Can L4931CZ80-AP be used in automotive applications? A9: No, L4931CZ80-AP is not specifically designed for automotive applications. It is recommended to use voltage regulators specifically designed for automotive environments.
Q10: Is L4931CZ80-AP available in different package options? A10: Yes, L4931CZ80-AP is available in different package options such as TO-92, SOT-89, and DPAK, allowing flexibility in PCB design and mounting options.
Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's recommendations for the L4931CZ80-AP.