Low Noise Block Regulators (LNBR) for Satellite Set-Top Boxes

LNBR Montage, automatic voltage regulator, lnbs, voltage regulator circuitAllegro offers a world-class selection of LNB regulator ICs, designed specifically to provide power and communication between a satellite set-top box and the satellite dish.

Our field-proven designs meet or exceed all industry and carrier specifications. With over 10 years experience in this specific application area, Allegro is moving toward our fifth generation of LNB regulator devices.

  • Single and Dual (DVR) Outputs
  • DiSEqCTM 1.x or 2.x Solutions
  • Multiple Output Voltage Selections
  • Various Output Current Ratings
  • Optimized Package Sizes
  • Fault Detection and Robust Protection

LNBR Power and Communication Solutions

 Part Number  # of Channels Ouput Current  Packages Notes
A8286 Dual 900 mA per channel 5 x 5 mm QFN-28 Generation 3
A8290 Single 900 mA 5 x 5 mm QFN-28 Generation 3
A8291 Single 600 mA 5 x 5 mm QFN-28  Generation 3
A8292 Dual 600 mA per channel 5 x 5 mm QFN-28  Generation 3
A8293 Single 700 mA 4 x 4 mm QFN-20 Generation 3
A8294 Single 850 mA 4 x 4 mm QFN-20 Generation 3
A8295 Single Adjustable 250 to 950 mA 4 x 4 mm QFN-20 Generation 4
A8307 Single Adjustable 0.5 to 1 A 4 x 4 mm QFN-20 For multiswitch power
A8296 Single Adjustable 250 to 950 mA 3 x 3 mm QFN-16 Generation 4
A8298 Single Adjustable 250 to 950 mA 4 x 4 mm QFN-20 Generation 4 + Ceramics
A8300 Single Adjustable 250 to 950 mA 4 x 4 mm QFN-24 Generation 5 (Ceramic)
A8300-1 Single Adjustable 250 to 950 mA 4 x 4 mm QFN-24 Generation 5 (Electrolytic)
A8303 Single Adjustable 250 to 950 mA 4 x 4 mm QFN-20 Generation 4 + Ceramics + 15.6 VOUT for Japan Market
A8303-1 Single Adjustable 250 to 950 mA
4 x 4 mm QFN-20
Generation 4 + Ceramics + 11.67 VOUT for Japan Market
A8305 Single Adjustable 250 to 950 mA 3 x 3 mm QFN-16 Generation 4 + Ceramics + 15.6 VOUT for Japan Market
A8304 Single Adjustable 250 to 950 mA 3 x 3 mm QFN-16 Generation 5 (Electrolytic)
New
ARG81300

Single Adjustable 250 to 950 mA
3 x 3 mm QFN-16
Generation 5 (Ceramic)
A8297 Dual Adjustable 250 to 950 mA 5 x 5 mm QFN-28 Generation 4
A8299 Dual Adjustable 250 to 950 mA 5 x 5 mm QFN-28 Generation 4 + Ceramics
A8302 Dual Adjustable 250 to 950 mA 5 x 5 mm QFN-28
Generation 5 (Universal)

 

The following LNBRs have been discontinued:

A8285, A8287


Generation 5
.

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