LNBH25 Datasheet | STMicroelectronics

LNB supply and control IC with step-up and I²C interface Features - plete 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 - pliant 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...