LNBH25SPQR LNB supplies by STMicroelectronics

LNB supply and control IC with step-up and I²C interface

Status: Active
Series: LNBH25S
RoHS: Compliant
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Intended for analog and digital satellite receivers/Sat-TV and Sat-PC cards, the LNBH25S is a monolithic voltage regulator and interface IC, assembled in QFN24L (4x4 mm) specifically designed to provide 13/18 V power supply and 22 kHz tone signaling to the LNB down-converter in the antenna dish or to the multi-switch box. In this application field, it offers a complete solution with extremely low component count and low power dissipation together with a simple design and I²C standard interface.

Where to Buy

Prices starting from US$1.01

Distributor Stock
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Farnell
from US$1.01
No stock
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Logo for Avnet America
Avnet America
from US$1.39
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Newark Electronics
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Logo for EBV Elektronik
EBV Elektronik
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Logo for Avnet Silica
Avnet Silica
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Features

Complete interface between LNB and I²C bus
Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93% @ 0.5 A)
Selectable output current limit by external resistor
Compliant with main satellite receiver output voltage specifications (15 programmable levels)
Accurate built-in 22 kHz tone generator suits widely accepted standards
22 kHz tone waveform integrity guaranteed at no-load condition
Low drop post regulator and high efficiency step-up PWM with integrated power NMOS allowing low power losses
LPM function (low power mode) to reduce dissipation
Overload and overtemperature internal protections with I²C diagnostic bits
LNB short-circuit dynamic protection
+/- 4 kV ESD tolerant on output power pins

Alternative Descriptions

LNB Supply and Control IC 24-Pin QFN EP T/R | Avnet America
LNB SUPPLY/CONTROL IC, BOOST/I2C, QFN-24 | Farnell
Legacy Products |Stmicroelectronics LNBH25SPQR | Newark Electronics


Frequently Asked Questions

Where can I find additional details, specifications and documents for a LNBH25SPQR?

Additional datasheets, footprints and schematics for LNBH25SPQR are listed on our Part Details page. You can also find images and similar parts to LNBH25SPQR on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for LNBH25SPQR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view LNBH25SPQR price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does LNBH25SPQR fall under?

The LNBH25SPQR is listed under Power Management > LNB supplies > Switching LNB supply ICs.

Can I view similar or alternative parts?

You can view similar parts to LNBH25SPQR when available in the Switching LNB supply ICs range under the specifications section at the bottom of the details page.

Who can I contact for technical support of the product?

Submit any questions directly to the customer support team of the distributor listing the product. For the LNBH25SPQR you can contact the distributor directly for product support, shipping queries etc.

Is the LNBH25SPQR RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by STMicroelectronics.

Which authorised distributors for LNBH25SPQR have stock available?

Authorised distributors including Avnet America, Farnell, Newark Electronics, EBV Elektronik and Avnet Silica have stock available or on a lead time for LNBH25SPQR.

How do I check stock and lead times for all distributors?

Stock availability and lead times will be displayed for LNBH25SPQR often in real-time on the comparison pages.

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