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STMICROELECTRONICS LNBH25LPQR Satellite Control IC

The LNBH25L is a satellite LNB control IC with integrated step-up converter, providing 13/18 V power and 22 kHz tone signaling for satellite antennas. It features a complete I2C interface, low power dissipation, and protection diagnostics such as overload and thermal shutdown. Designed for analog and digital satellite receivers, it offers high efficiency with typical 93%, selectable output current limits, and robust surge protection. Its compact QFN24 package simplifies design, enabling reliable, low-noise operation in multi-switch setups and set-top boxes.

Authorized Distributors
Part No:LNBH25LPQR
Stock:4543
Inv Date:06-12-2026
Price: Unit price: $1.63
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Part No:LNBH25LPQR
Stock:8000
Inv Date:06-11-2026
Price: Unit price: $1
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Part No:LNBH25LPQR
Stock:3979
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS LNBH25LPQR Satellite Control IC Specifications:

  • Package: QFN24 (4 x 4 mm)
  • Supply Voltage: 8 V to 16 V
  • Vout Output Voltage: 12.545 V to 19.82 V (programmable)
  • Input Voltage (Vup): Monitors step-up voltage
  • Output Current Limit: up to 750 mA (externally set with resistor)
  • Efficiency: Typical 93% @ 0.5 A load
  • DC-DC Step-Up Converter: Integrated with soft-start, high efficiency PWM
  • Protection: Overload, overtemperature, short-circuit, surge with TVS diodes
  • Diagnostics: Overload (OLF), overtemperature (OTF), undervoltage (PNG) status registers
  • Tone Generator: Factory trimmed 22 kHz, controlled via I2C and external signals
  • I2C Interface: Standard 2-wire with acknowledgment, supports read/write and diagnostic functions
  • ESD Tolerance: Up to 4 kV on output power pins
  • Operating Temperature: -25°C to 125°C junction
  • Dimensions: 4.00 x 4.00 x 0.55 mm

Buy the STMicroelectronics Series LNBH25L Satellite Control IC: LNBH25LPQR

Purchase the STMicroelectronics LNBH25LPQR online today for your satellite receiver projects. This advanced control IC features integrated step-up converter, adjustable output voltages, and robust protection diagnostics. Its compact QFN24 package allows easy integration into set-top boxes, multi-switches, and Sat-TV systems. With high efficiency of 93%, low power dissipation, and reliable overload and thermal protections, it ensures stable, noise-free operation. Enhance your satellite system’s performance by ordering the LNBH25LPQR now for seamless signal control and long-lasting durability.

Get STMicroelectronics LNBH25LPQR today—designed for reliable satellite signal control with low power dissipation and built-in protections.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS LNBH25LPQR?

You can click on the BUY or RFQ button to purchase LNBH25LPQR from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part LNBH25LPQR?

You can download the LNBH25LPQR datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of LNBH25LPQR?

STMICROELECTRONICS

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