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IR3084MPBF
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Current limit protection - Thermal shutdown protection
Package: TO-220
Essence: The IR3084MPBF is a voltage regulator IC designed for various applications that require stable and regulated power supply.
Packaging/Quantity: The IR3084MPBF is available in a TO-220 package. It is typically sold in reels or tubes containing multiple units.
Specifications
- Input Voltage Range: 4.5V to 28V
- Output Voltage Range: 0.8V to 24V
- Output Current: Up to 3A
- Dropout Voltage: 300mV at 3A
- Line Regulation: ±1%
- Load Regulation: ±1%
- Quiescent Current: 100µA
- Operating Temperature Range: -40°C to 125°C
Pin Configuration
The IR3084MPBF has the following pin configuration:
```
| | --| VIN GND |-- Pin 1: Ground --| VOUT ADJ |-- Pin 2: Adjust (Output Voltage Control) --| VREF FB |-- Pin 3: Feedback (Voltage Reference) --| EN NC |-- Pin 4: Enable (Shutdown Control) |___________| ```
Functional Features
- High Efficiency: The IR3084MPBF offers high efficiency, minimizing power loss during voltage regulation.
- Low Dropout Voltage: With a low dropout voltage of 300mV at 3A, it can maintain a stable output even when the input voltage is close to the desired output voltage.
- Wide Input Voltage Range: The IC can accept input voltages ranging from 4.5V to 28V, making it suitable for a wide range of applications.
- Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 24V, providing flexibility in meeting specific requirements.
- Current Limit Protection: The IC incorporates current limit protection, preventing excessive current flow and protecting connected devices.
- Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, safeguarding the IC from damage.
Advantages and Disadvantages
Advantages: - High efficiency - Wide input voltage range - Adjustable output voltage - Current limit and thermal shutdown protection
Disadvantages: - Dropout voltage may not be suitable for ultra-low power applications - Limited output current capacity (up to 3A)
Working Principles
The IR3084MPBF operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the VOUT and ADJ pins based on the feedback received from the VREF and FB pins. By comparing the output voltage with the reference voltage, the IC adjusts its internal circuitry to maintain a stable output voltage.
Detailed Application Field Plans
The IR3084MPBF is commonly used in various applications that require regulated power supply, such as: 1. Power management in industrial equipment 2. Automotive electronics 3. Telecommunications systems 4. Consumer electronics 5. Computer peripherals 6. LED lighting systems
Detailed and Complete Alternative Models
Some alternative models to the IR3084MPBF include: - LM317: A popular adjustable linear voltage regulator with similar features. - LT1084: A low dropout linear voltage regulator capable of delivering higher output currents. - TPS7A47: A high-performance, low-noise linear voltage regulator suitable for sensitive applications.
These alternative models offer similar functionality and can be considered based on specific requirements and availability.
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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui IR3084MPBF în soluțiile tehnice
Sure! Here are 10 common questions and answers related to the application of IR3084MPBF in technical solutions:
Q: What is IR3084MPBF? A: IR3084MPBF is a specific model number for an integrated circuit (IC) power controller manufactured by Infineon Technologies.
Q: What are the main features of IR3084MPBF? A: The IR3084MPBF IC offers high efficiency, accurate voltage regulation, and advanced protection features for various power supply applications.
Q: What is the typical input voltage range for IR3084MPBF? A: The typical input voltage range for IR3084MPBF is between 4.5V and 14V.
Q: What is the maximum output current that IR3084MPBF can handle? A: IR3084MPBF can handle a maximum output current of up to 25A.
Q: Can IR3084MPBF be used in both buck and boost converter configurations? A: Yes, IR3084MPBF can be used in both buck and boost converter configurations, making it versatile for different applications.
Q: Does IR3084MPBF support synchronous rectification? A: Yes, IR3084MPBF supports synchronous rectification, which helps improve overall efficiency.
Q: What type of control loop does IR3084MPBF use? A: IR3084MPBF uses a voltage mode control loop for regulating the output voltage.
Q: Is IR3084MPBF compatible with digital control interfaces? A: No, IR3084MPBF does not have built-in digital control interfaces. It is primarily designed for analog control.
Q: What are the key protection features of IR3084MPBF? A: IR3084MPBF includes protection features such as overcurrent protection, overvoltage protection, and thermal shutdown.
Q: What are some typical applications for IR3084MPBF? A: IR3084MPBF is commonly used in various power supply applications, including servers, desktop computers, industrial equipment, and telecommunications systems.
Please note that the answers provided here are general and may vary depending on specific product specifications and application requirements.