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LNBK20D2 - LNB SUPPLY AND CONTROL VOLTAGE REGULATOR

General Description

the regulator has two Supply Input pins VCC1 and Intended for analog and digital satellite receivers, VCC2.

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LNBK20 LNB SUPPLY AND CONTROL VOLTAGE REGULATOR PARALLEL INTERFACE STMicroelectronics
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www.DataSheet4U.com LNBK20D2 LNB SUPPLY AND CONTROL VOLTAGE REGULATOR (PARALLEL INTERFACE) COMPLETE INTERFACE FOR TWO LNBs REMOTE SUPPLY AND CONTROL s GUARANTEED 400mA OUTPUT CURRENT s LNB SELECTION AND STAND-BY FUNCTION s BUILT-IN TONE OSCILLATOR FACTORY TRIMMED AT 22KHz s FAST OSCILLATOR START-UP FACILITATES DiSEqC™ ENCODING SO-20 s TWO SUPPLY INPUTS FOR LOWEST DISSIPATION s BYPASS FUNCTION FOR SLAVE OPERATION (MI) and the LNBA pin, thus leaving all LNB s LNB SHORT CIRCUIT PROTECTION AND powering and control functions to the Master DIAGNOSTIC Receiver. This electronic switch is closed when s AUXILIARY MODULATION INPUT EXTENDS the device is powered and EN pin is LOW. FLEXIBILITY The regulator outputs can be logic controlled to be s CABLE LENGTH COMPENSATION 13 or 18 V (typ.