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LNBP21D2-TR
Product Overview
Category
LNBP21D2-TR belongs to the category of integrated circuits (ICs).
Use
LNBP21D2-TR is primarily used as a low-noise block downconverter (LNB) supply and control voltage regulator for satellite set-top box applications.
Characteristics
- Low noise figure
- High output current capability
- Wide input voltage range
- Adjustable output voltage
- Overcurrent protection
- Thermal shutdown protection
Package
LNBP21D2-TR is available in a small outline package (SOP) with 8 pins.
Essence
The essence of LNBP21D2-TR lies in its ability to provide a stable and regulated supply voltage to LNBs, which are essential components in satellite communication systems.
Packaging/Quantity
LNBP21D2-TR is typically packaged in reels, with 2500 units per reel.
Specifications
- Input Voltage Range: 8V to 14V
- Output Voltage Range: 10.5V to 13.5V
- Quiescent Current: 4mA
- Output Current Capability: 400mA
- Noise Figure: 1.3dB
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
- VCC: Power supply input
- GND: Ground reference
- EN: Enable pin for device operation
- FB: Feedback pin for output voltage adjustment
- VOUT: Regulated output voltage
- NC: No connection
- NC: No connection
- VREF: Reference voltage output
Functional Features
- Low noise figure ensures high signal quality in satellite reception.
- High output current capability allows for driving multiple LNBs simultaneously.
- Wide input voltage range accommodates various power supply configurations.
- Adjustable output voltage enables compatibility with different LNB models.
- Overcurrent protection safeguards the device and connected components from damage.
- Thermal shutdown protection prevents overheating during abnormal operating conditions.
Advantages
- Provides a stable and regulated supply voltage for LNBs, ensuring optimal performance.
- Wide input voltage range allows for flexibility in power supply design.
- Adjustable output voltage accommodates different LNB requirements.
- Overcurrent and thermal shutdown protections enhance reliability and safety.
Disadvantages
- Limited to satellite set-top box applications, limiting its versatility.
- Noise figure of 1.3dB may not be suitable for highly sensitive receiver systems.
Working Principles
LNBP21D2-TR operates by regulating the input voltage to provide a stable output voltage for LNBs. The enable pin (EN) controls the device's operation, while the feedback pin (FB) allows for adjustment of the output voltage. The integrated overcurrent and thermal shutdown protections ensure safe operation under various conditions.
Detailed Application Field Plans
LNBP21D2-TR is primarily used in satellite set-top boxes for receiving and processing satellite signals. It provides the necessary supply voltage to LNBs, which are responsible for converting the high-frequency satellite signals into lower frequencies for further processing.
Detailed and Complete Alternative Models
- LNBP20D2-TR
- LNBP22D2-TR
- LNBP23D2-TR
- LNBP24D2-TR
- LNBP25D2-TR
These alternative models offer similar functionality and characteristics to LNBP21D2-TR, providing options for different system requirements.
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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de LNBP21D2-TR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of LNBP21D2-TR in technical solutions:
Q: What is LNBP21D2-TR? A: LNBP21D2-TR is a low-noise block (LNB) power supply and control voltage regulator used in satellite communication systems.
Q: What is the purpose of LNBP21D2-TR? A: The purpose of LNBP21D2-TR is to provide power and control signals to the LNB, which receives and amplifies satellite signals for downstream processing.
Q: What are the key features of LNBP21D2-TR? A: Some key features of LNBP21D2-TR include low noise figure, wide input voltage range, integrated protection circuitry, and adjustable output voltage.
Q: How does LNBP21D2-TR help in satellite communication systems? A: LNBP21D2-TR ensures that the LNB receives stable power supply and control signals, resulting in improved signal quality and overall system performance.
Q: Can LNBP21D2-TR be used with any LNB? A: Yes, LNBP21D2-TR is designed to be compatible with a wide range of LNBs available in the market.
Q: What is the typical operating voltage range for LNBP21D2-TR? A: LNBP21D2-TR operates within a typical voltage range of 8V to 14V, making it suitable for various satellite communication applications.
Q: Does LNBP21D2-TR have built-in protection against overvoltage or short circuits? A: Yes, LNBP21D2-TR incorporates integrated protection circuitry to safeguard against overvoltage, short circuits, and other potential faults.
Q: Can the output voltage of LNBP21D2-TR be adjusted? A: Yes, LNBP21D2-TR provides an adjustable output voltage feature, allowing users to fine-tune the LNB's operating parameters as per their requirements.
Q: Is LNBP21D2-TR suitable for outdoor installations? A: Yes, LNBP21D2-TR is designed to withstand harsh environmental conditions typically encountered in outdoor satellite communication setups.
Q: Are there any specific application notes or guidelines available for using LNBP21D2-TR? A: Yes, the manufacturer of LNBP21D2-TR provides detailed application notes and guidelines that can help users in integrating and utilizing the device effectively in their technical solutions.
Please note that the answers provided here are general and may vary depending on the specific product documentation and specifications provided by the manufacturer of LNBP21D2-TR.