Se specifikationer för produktinformation.
L4969UR-E
Product Overview
- Category: Integrated Circuit
- Use: Voltage Regulator
- Characteristics: High efficiency, low dropout voltage, adjustable output voltage
- Package: TO-220
- Essence: Linear voltage regulator
- Packaging/Quantity: Tape and reel, 1000 units per reel
Specifications
- Input Voltage Range: 4.5V to 36V
- Output Voltage Range: 1.2V to 35V
- Maximum Output Current: 1.5A
- Dropout Voltage: 0.6V (typical)
- Line Regulation: ±0.05% (typical)
- Load Regulation: ±0.1% (typical)
- Quiescent Current: 3.5mA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L4969UR-E has the following pin configuration:
- GND (Ground)
- VIN (Input Voltage)
- VOUT (Output Voltage)
- ADJ (Adjustment Pin)
Functional Features
- Adjustable output voltage through the ADJ pin
- Low dropout voltage allows for efficient operation even with small input-output voltage differentials
- Overcurrent and thermal protection
- Short-circuit protection
- Fast transient response
Advantages and Disadvantages
Advantages
- High efficiency
- Wide input voltage range
- Adjustable output voltage
- Protection features ensure safe operation
- Suitable for various applications
Disadvantages
- Relatively high quiescent current compared to some other voltage regulators
- Limited maximum output current
Working Principles
The L4969UR-E is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from the output. The pass transistor adjusts its resistance to maintain a stable output voltage, compensating for changes in load and input voltage.
Detailed Application Field Plans
The L4969UR-E is commonly used in various applications that require a regulated power supply. Some of the typical application fields include:
- Industrial automation systems
- Automotive electronics
- Power management in portable devices
- Battery charging circuits
- Audio amplifiers
Detailed and Complete Alternative Models
- LM317: Adjustable positive voltage regulator
- LM1117: Low dropout voltage regulator
- LT1086: Adjustable positive voltage regulator with low dropout voltage
- LM7805: Fixed 5V voltage regulator
- LM2940: Low dropout voltage regulator with adjustable output
These alternative models offer similar functionality and can be considered as alternatives to the L4969UR-E depending on specific requirements.
Word count: 297 words
Lista 10 Vanliga frågor och svar relaterade till tillämpningen av L4969UR-E i tekniska lösningar
Sure! Here are 10 common questions and answers related to the application of L4969UR-E in technical solutions:
Q: What is the L4969UR-E? A: The L4969UR-E is a voltage regulator IC designed for use in various technical solutions.
Q: What is the input voltage range of the L4969UR-E? A: The input voltage range of the L4969UR-E is typically between 4.5V and 40V.
Q: What is the output voltage range of the L4969UR-E? A: The output voltage range of the L4969UR-E can be adjusted from 1.2V to 37V.
Q: What is the maximum output current of the L4969UR-E? A: The L4969UR-E can provide a maximum output current of up to 1.5A.
Q: Is the L4969UR-E suitable for automotive applications? A: Yes, the L4969UR-E is designed to meet the requirements of automotive applications.
Q: Does the L4969UR-E have built-in protection features? A: Yes, the L4969UR-E includes over-temperature, over-current, and short-circuit protection.
Q: Can the L4969UR-E operate in a wide temperature range? A: Yes, the L4969UR-E can operate in a temperature range of -40°C to +150°C.
Q: What type of package does the L4969UR-E come in? A: The L4969UR-E is available in a PowerSSO-20 package.
Q: Can the L4969UR-E be used in battery-powered applications? A: Yes, the L4969UR-E can be used in battery-powered applications due to its low quiescent current.
Q: Are there any application notes or reference designs available for the L4969UR-E? A: Yes, STMicroelectronics provides application notes and reference designs to help with the implementation of the L4969UR-E in various technical solutions.
Please note that these answers are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.