LNBH21PD Datasheet & Sourcing Guide

The phrase 'lnbh21pd' refers to the LNBH21PD, a specialized Power Management Integrated Circuit (PMIC) manufactured by STMicroelectronics. It is primarily used to supply and control the Low Noise Block (LNB) downconverter in satellite TV receivers and set-top boxes (STBs) Sisoog.

Key Technical Specifications

* Function: A monolithic voltage regulator and $I^2C$ interface IC designed for analog and digital satellite receivers Sisoog.

* Voltage Support: Provides standard output voltages of 13.25V and 18V, with digital compensation for long cables up to 19.5V Sisoog.

* Efficiency: Features a built-in DC/DC step-up controller achieving typical efficiency of 94% Sisoog.

* Package: Primarily available in the PowerSO-20 surface mount package, optimized for heat dissipation Sisoog.

Market Trends & Insights (2026 Outlook)

* Infrastructure Shift: Dual-output LNBs have become baseline infrastructure due to rising demand for stable 4K Ultra HD feeds across multiple independent receivers Alibaba.

* Reliability vs. Cost: The market is increasingly bifurcated; while low-cost units show failure rates over 18%, premium components like the LNBH21PD are favored for their thermal management and environmental resilience Alibaba.

* Signal Integrity: As DVB-S2X transmission becomes standard, the precise 22kHz signaling and voltage compensation of the LNBH21PD are critical to maintaining signal strength during "rain fade" or other adverse weather Alibaba Sisoog.

The attached file contains current B2B sourcing data for the LNBH21PD-TR variant, including pricing and verified suppliers from major electronic hubs.

Lnbh21pd

Overview

Key Technical Specifications

Market Trends & Insights (2026 Outlook)

Lnbh21pd Tr Ic Chip

Related Searches

Sources & References