LNBH25PQR LNB supplies by STMicroelectronics

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

Status: Active
Series: LNBH25
RoHS: Compliant
View Datasheet Manufacturer Site View Pricing & Stock

Intended for analog and digital satellite receivers/Sat-TV and Sat-PC cards, the LNBH25 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$1.16


Distributor Starting From Stock
Logo for Newark Electronics Newark Electronics US$1.67
1
Buy Now
Logo for element14 element14 US$1.28
1
Buy Now
Logo for Future Electronics Future Electronics US$1.16
-
Buy Now
Logo for Avnet America Avnet America US$1.24
-
Buy Now
Logo for EBV Elektronik EBV Elektronik -
-
Buy Now
Logo for Avnet Silica Avnet Silica -
-
Buy Now
View Full Pricing & Stock Comparison

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 receivers output voltage specification (15 programmable levels)
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
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 & CONTROL, 16V, QFN-24 | Farnell
Lnb Supply & Control, 16V, Qfn-24 | Newark Electronics
LNBH25 Series 8 to 16 V Surface Mount LNB Supply and Control IC - VFQFPN-24 | Future Electronics
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 LNBH25PQR?

Additional datasheets, footprints and schematics for LNBH25PQR are listed on our Part Details page. You can also find images and similar parts to LNBH25PQR on this page.

What pricing and inventory information can I view?

Distributor pricing and stock information is available for LNBH25PQR on our Product Comparison page. Access via the 'View Pricing & Stock' button to view LNBH25PQR price breaks, MOQs, lead times, inventory and SKUs from distributors.

What category does LNBH25PQR fall under?

The LNBH25PQR is listed under Power Management > LNB supplies > Switching LNB supply ICs.

Can I view similar or alternative parts?

You can view similar parts to LNBH25PQR 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 LNBH25PQR you can contact the distributor directly for product support, shipping queries etc.

Is the LNBH25PQR RoHS compliant?

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

Which authorised distributors for LNBH25PQR have stock available?

Authorised distributors including Farnell, Newark Electronics, element14, Future Electronics and Avnet America have stock available or on a lead time for LNBH25PQR.

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

Stock availability and lead times will be displayed for LNBH25PQR often in real-time on the comparison pages.

What if I can't find stock of LNBH25PQR?

You can fill out our help required form which you can use to request a quote for LNBH25PQR from some of our verified obsolescence suppliers. Alternatively, contact us via our web chat in the bottom left of your screen and one of our team will try to help.

We use cookies to improve your experience. See our privacy policy.
Okay