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LNBH25L

STMicroelectronics
Part Number LNBH25L
Manufacturer STMicroelectronics
Description LNB supply/controller
Published Mar 9, 2023
Detailed Description LNBH25L LNB supply and control IC with step-up and I²C interface Features ■ Complete interface between LNB and I²C bus ...
Datasheet PDF File LNBH25L PDF File

LNBH25L
LNBH25L

Overview
LNBH25L LNB supply and control IC with step-up and I²C interface Features ■ Complete 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 ■ Compliant with main satellite receiver output voltage specifications ■ 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 ■ Overload and overtemperature internal protection with I²C diagnostic bits ■ LNB short-circuit dyn...


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