LNBH25LPQR LNB supplies by STMicroelectronics

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

Status: Active
Series: LNBH25L
RoHS: Compliant
View Datasheet Manufacturer Site View Pricing & Stock

Intended for analog and digital satellite receivers/Sat-TV and Sat-PC cards, the LNBH25L is a monolithic voltage regulator and interface IC, assembled in QFN24 (4x4) specifically designed to provide the 13/18 V power supply and the 22 kHz tone signalling 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 interfacing.

Prices starting from US$0.84


Distributor Starting From Stock
Logo for Future Electronics Future Electronics US$1.02
8,000
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Logo for Newark Electronics Newark Electronics US$1.14
3,916
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Logo for element14 element14 US$1.27
3,916
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Logo for Avnet America Avnet America US$1.12
-
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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
Accurate built-in 22 kHz tone generator suits widely accepted standards
22 kHz tone waveform integrity guaranteed also at no load condition
Low-drop post regulator and high efficiency step-up PWM with integrated power N-MOS allowing low power losses
Overload and overtemperature internal protection with I²C diagnostic bits
LNB short-circuit dynamic protection
+/- 4 kV ESD tolerant on output power pins

Alternative Descriptions

LNBH25L Series 16 V 750 mA 440 KHz SMT LNB Control Step up I2C -QFN-24 | Future Electronics
Lnb Supply & Control W/ Boost & I2C, Qfn | Newark Electronics
LNB SUPPLY & CONTROL W/ BOOST & I2C, QFN | element14
LNB Supply and Control IC 8 to 16V 24-Pin QFN EP T/R | Avnet America


Frequently Asked Questions

Where can I find additional details, specifications and documents for a LNBH25LPQR?

Additional datasheets, footprints and schematics for LNBH25LPQR are listed on our Part Details page. You can also find images and similar parts to LNBH25LPQR on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for LNBH25LPQR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view LNBH25LPQR price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does LNBH25LPQR fall under?

The LNBH25LPQR is listed under Power Management > LNB supplies > Switching LNB supply ICs.

Can I view similar or alternative parts?

You can view similar parts to LNBH25LPQR 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 LNBH25LPQR you can contact the distributor directly for product support, shipping queries etc.

Is the LNBH25LPQR RoHS compliant?

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

Which authorised distributors for LNBH25LPQR have stock available?

Authorised distributors including Future Electronics, Newark Electronics, element14, Farnell and Avnet America have stock available or on a lead time for LNBH25LPQR.

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

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