Introducing the LNBH30QTR from STMicroelectronics

The LNBH30QTR is a cutting-edge device designed by STMicroelectronics, a global leader in semiconductor solutions. This product is a monolithic voltage regulator and interface IC, specifically tailored for supplying and controlling the LNB in satellite set-top box applications. The LNBH30QTR is part of the highly efficient LNBH30 series, known for its robustness and reliability in satellite broadcast receiver systems.

Key Features

• High Efficiency: The device integrates a step-up DC-DC converter that ensures efficient power conversion, which is crucial for minimizing heat dissipation and improving overall system reliability.
• DiSEqC 2.x Compliant: It fully supports DiSEqC 2.x communication protocols, allowing for bi-directional communication between the satellite dish LNB and the set-top box, enabling advanced control functionalities.
• Built-in Protection: The LNBH30QTR comes with a suite of protection features including over-temperature shutdown, over-current and over-voltage protection, ensuring the longevity and safe operation of the satellite system.
• Adjustable Output: It provides a highly flexible solution with an adjustable output current limit and a selectable output voltage to accommodate various LNB configurations.

Applications

The LNBH30QTR is ideal for a range of satellite receiver applications, including:

• Direct Broadcast Satellite (DBS) receivers
• Set-top boxes with satellite tuning capability
• Home satellite TV systems
• Professional satellite TV and radio equipment

Technical Specifications

Some of the technical highlights of the LNBH30QTR include:

• Input Voltage Range: 8V to 15V
• Output Voltage Range: 13V / 18V selectable
• Maximum Output Current: 400mA with current limit adjustability
• Package: QFN-16L 3x3 mm

The LNBH30QTR is available in a small QFN package, making it suitable for space-constrained applications while providing robust and efficient performance. Its integration of multiple functions into a single chip simplifies design, reduces BOM costs, and accelerates time-to-market for manufacturers of satellite communication equipment.

With the LNBH30QTR, STMicroelectronics continues to demonstrate its commitment to providing innovative and high-performance integrated solutions for the satellite broadcast industry.