LNBP21PD-TR

Product Overview

Category: Integrated Circuit (IC)

Use: LNBP21PD-TR is a low-noise block downconverter (LNB) supply and control voltage regulator. It is primarily used in satellite communication systems to provide power and control signals to the LNB, which receives and converts satellite signals for further processing.

Characteristics: - Low noise performance - High output current capability - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection - Small package size

Package: LNBP21PD-TR is available in a small outline package (SOP) with 8 pins.

Essence: The essence of LNBP21PD-TR lies in its ability to regulate the supply voltage for LNBs in satellite communication systems, ensuring optimal signal reception and conversion.

Packaging/Quantity: LNBP21PD-TR is typically packaged in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 8V to 14V
• Output Voltage Range: 13V or 18V (selectable)
• Output Current: Up to 400mA
• Quiescent Current: 2.5mA (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

LNBP21PD-TR features the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. EN: Enable pin for controlling the device operation
4. TONE: Tone control input for selecting the LNB operating frequency
5. VOUT: Regulated output voltage
6. NC: No connection
7. NC: No connection
8. GND: Ground reference

Functional Features

• Low-noise voltage regulation for LNBs
• Selectable output voltage for compatibility with different LNB types
• Overcurrent and thermal protection for enhanced reliability
• Enable pin for easy control of device operation
• Tone control input for frequency selection

Advantages and Disadvantages

Advantages: - High-quality voltage regulation for improved signal reception - Wide input voltage range allows compatibility with various power sources - Small package size enables space-saving designs - Overcurrent and thermal protection enhance device reliability

Disadvantages: - Limited output current capability may not be suitable for high-power LNBs - Lack of additional features such as built-in diagnostics or status indicators

Working Principles

LNBP21PD-TR works by regulating the supply voltage provided to the LNB in satellite communication systems. It ensures a stable and noise-free voltage, which is crucial for optimal signal reception and conversion. The device can be controlled using the enable pin and tone control input, allowing users to select the desired operating frequency and enable/disable the device as needed.

Detailed Application Field Plans

LNBP21PD-TR finds extensive application in satellite communication systems, including but not limited to: - Direct-to-Home (DTH) satellite TV receivers - VSAT (Very Small Aperture Terminal) systems - Satellite internet modems - Satellite radio receivers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to LNBP21PD-TR include: - LNBP22PD-TR - LNBP23PD-TR - LNBP24PD-TR - LNBP25PD-TR

These models are also low-noise block downconverter supply and control voltage regulators designed for use in satellite communication systems. They may have slightly different specifications, pin configurations, or additional features, providing users with options based on their specific requirements.

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