LNBP10SP-TR

Product Overview

Category: Integrated Circuit (IC)

Use: LNBP10SP-TR is a low-noise block downconverter (LNB) supply and control voltage regulator. It is specifically designed for satellite set-top box applications.

Characteristics: - Low noise figure - High output current capability - Wide input voltage range - Built-in protection features

Package: LNBP10SP-TR is available in a small outline package (SOP) with 8 pins.

Essence: This IC serves as a crucial component in satellite set-top boxes, providing regulated supply voltage to the LNB while maintaining low noise levels.

Packaging/Quantity: LNBP10SP-TR is typically packaged in reels containing 2500 units.

Specifications

• Input Voltage Range: 8V to 14V
• Output Voltage Range: 13V or 18V
• Quiescent Current: 2.5mA
• Maximum Output Current: 400mA
• Noise Figure: 1.3dB
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

LNBP10SP-TR has the following pin configuration:

1. VCC: Supply voltage input
2. GND: Ground reference
3. EN: Enable pin for controlling the output voltage
4. FB: Feedback pin for regulating the output voltage
5. VOUT: Output voltage selection pin
6. NC: No connection
7. NC: No connection
8. GND: Ground reference

Functional Features

• Regulated Output Voltage: LNBP10SP-TR provides a stable and regulated output voltage of either 13V or 18V, selectable through the VOUT pin.
• Low Noise Figure: The IC ensures a low noise figure, minimizing signal degradation during satellite signal reception.
• Overvoltage and Overcurrent Protection: LNBP10SP-TR incorporates built-in protection features to safeguard against overvoltage and overcurrent conditions, ensuring the longevity of the device.

Advantages and Disadvantages

Advantages: - Low noise figure enhances signal quality - Wide input voltage range allows compatibility with various power sources - Built-in protection features protect against voltage and current fluctuations

Disadvantages: - Limited output current capability may not be suitable for high-power LNBs - Noisy environments may still introduce some signal degradation

Working Principles

LNBP10SP-TR operates by receiving an input voltage within the specified range. The IC regulates this voltage to provide a stable output voltage of either 13V or 18V, depending on the selection made through the VOUT pin. The regulated voltage is then supplied to the LNB, ensuring optimal performance and minimal signal degradation.

Detailed Application Field Plans

LNBP10SP-TR finds extensive application in satellite set-top boxes, where it serves as a critical component for powering and controlling the LNB. Its low noise figure and wide input voltage range make it suitable for various satellite signal reception scenarios. The built-in protection features further enhance its reliability in different operating conditions.

Detailed and Complete Alternative Models

1. LNBP12SP-TR: Similar to LNBP10SP-TR, but with higher output current capability (600mA).
2. LNBP15SP-TR: A variant with an extended input voltage range (6V to 16V) and lower noise figure (1.1dB).

These alternative models offer increased flexibility and improved performance in specific applications, catering to different requirements.

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