LNBH24 - STMicroelectronics

LNBH24 DUAL LNB SUPPLY/CONTROLLER

Intended for analog and digital DUAL Satellite receivers/Sat-TV, sat-PC cards, the LNBH24 is a Table 1. Device summary Order code LNBH24PPR Package PowerSSO-36 (Exposed pad) Packaging Tape and reel August 2008 Rev 2 1/30 www.st.com 30 Contents LNBH24 Contents 1 2 Block diagram . . .

Features

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■ Complete interface between LNBS and I²C bus Built-in DC-DC converter for single 12 V supply operation and high efficiency (typ. 93%@0.5 A) resistor www.DataSheet4U.com
■ Selectable output current limit through external
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■ Compliant with main satellite receivers output voltage specification New accurate built-in 22 kHz tone generator meets widely accepted standards (patent pending) Fast oscillator start-up facilitates DiSEqC™ encoding Built-in 22 kHz tone detector supports bidirectional DiSEqC™ 2.0 Very low-drop post regulator and high efficiency step-up PWM with integrated power N-MOS .