VN920-B513TR
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection
Package: SOT-23
Essence: The VN920-B513TR is a voltage regulator IC that provides a stable output voltage even when the input voltage fluctuates. It is commonly used in electronic devices to ensure a consistent power supply.
Packaging/Quantity: The VN920-B513TR is typically packaged in reels or tubes, with a quantity of 3000 units per reel or 1000 units per tube.
Specifications
- Input Voltage Range: 2.5V - 6.5V
- Output Voltage Range: 1.2V - 5.5V
- Dropout Voltage: 200mV at 500mA
- Output Current: Up to 500mA
- Quiescent Current: 75µA
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The VN920-B513TR has three pins:
- VIN (Pin 1): Input voltage pin. Connects to the power source.
- VOUT (Pin 2): Output voltage pin. Connects to the load.
- GND (Pin 3): Ground pin. Connects to the common ground.
Functional Features
- Low Dropout Voltage: The VN920-B513TR has a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
- High Output Current Capability: With a maximum output current of 500mA, this voltage regulator can handle a wide range of loads.
- Adjustable Output Voltage: The output voltage can be adjusted within the specified range to meet the requirements of different applications.
- Thermal Shutdown Protection: The IC includes a thermal shutdown feature that protects it from overheating, ensuring its reliability and longevity.
- Overcurrent Protection: The VN920-B513TR incorporates overcurrent protection, safeguarding both the IC and the connected load from excessive current.
Advantages and Disadvantages
Advantages: - Stable output voltage even with input voltage fluctuations - Wide operating temperature range - Low dropout voltage for efficient power conversion - Overcurrent and thermal protection features enhance reliability
Disadvantages: - Limited maximum output current compared to some other voltage regulators - Requires external components for proper operation
Working Principles
The VN920-B513TR operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. When the input voltage changes, the IC automatically adjusts its internal components to ensure the desired output voltage is maintained.
Detailed Application Field Plans
The VN920-B513TR is widely used in various electronic devices and systems, including but not limited to: - Mobile phones - Portable media players - Digital cameras - Wireless communication devices - Battery-powered devices - Automotive electronics
Detailed and Complete Alternative Models
- LM317: A popular adjustable voltage regulator with similar characteristics and package options.
- LT1084: A high-current, low-dropout voltage regulator suitable for demanding applications.
- LM1117: A fixed-output voltage regulator available in various voltage options.
These alternative models offer similar functionality and can be considered as substitutes for the VN920-B513TR depending on specific requirements.
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10 pirs û bersivên hevpar ên têkildarî sepana VN920-B513TR di çareseriyên teknîkî de navnîş bikin
Sure! Here are 10 common questions and answers related to the application of VN920-B513TR in technical solutions:
Q: What is the VN920-B513TR? A: The VN920-B513TR is a high-side driver IC designed for automotive applications, specifically for controlling resistive loads.
Q: What is the maximum voltage rating of the VN920-B513TR? A: The VN920-B513TR has a maximum voltage rating of 36V.
Q: Can the VN920-B513TR be used to drive inductive loads? A: No, the VN920-B513TR is not suitable for driving inductive loads. It is specifically designed for resistive loads.
Q: What is the maximum current rating of the VN920-B513TR? A: The VN920-B513TR has a maximum current rating of 0.5A.
Q: Is the VN920-B513TR compatible with both 3.3V and 5V logic levels? A: Yes, the VN920-B513TR is compatible with both 3.3V and 5V logic levels, making it versatile for various applications.
Q: Does the VN920-B513TR have built-in protection features? A: Yes, the VN920-B513TR includes built-in protection features such as over-temperature shutdown and overcurrent protection.
Q: Can the VN920-B513TR be used in automotive lighting applications? A: Yes, the VN920-B513TR is commonly used in automotive lighting applications, such as controlling LED headlights or taillights.
Q: What is the operating temperature range of the VN920-B513TR? A: The VN920-B513TR has an operating temperature range of -40°C to 150°C, making it suitable for automotive environments.
Q: Does the VN920-B513TR require an external power supply? A: Yes, the VN920-B513TR requires an external power supply to operate. It does not have an integrated voltage regulator.
Q: Can the VN920-B513TR be used in high-frequency switching applications? A: No, the VN920-B513TR is not designed for high-frequency switching applications. It is more suitable for low to moderate frequency applications.
Please note that these answers are general and may vary depending on specific application requirements.