8282 Datasheet - Allegro

(8281) LNB SUPPLY AND CONTROL-VOLTAGE REGULATORS

8282 Features

* s LNB selection and standby function s Built-in tone oscillator factory trimmed to 22-kHz, facilitates DiSEqC™ (a trademark of EUTELSAT) encoding s Tracking switch-mode power converter for lowest dissipation s Externally adjustable short-circuit protection s LNB short-circuit protection and diagnost

8282 General Description

Buck regulator. A current-mode buck converter provides the linear regulator a supply voltage that tracks the selected LNB output voltage. The buck converter operates at 16 times the internal tone frequency, nominally 352-kHz. The tracking regulator provides minimum power dissipation across the range.

8282 Datasheet (375.13 KB)

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Datasheet Details

Part number:

8282

Manufacturer:

Allegro

File Size:

375.13 KB

Description:

(8281) lnb supply and control-voltage regulators.
8281 AND 8282 A8282SLB NC OLF VBULK NC NC GND GND SENSE LNB LX VIN TCAP 1 2 3 24 23 22 EXTM VINT PUMPX VPUMP CPUMP GND GND ENT EN VSEL0 VSEL1 LLC LNB.

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8282 8281 LNB SUPPLY AND CONTROL-VOLTAGE REGULATORS Allegro

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8282 Features

8282 General Description

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