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LNBH23L

STMicroelectronics
Part Number LNBH23L
Manufacturer STMicroelectronics
Description LNB SUPPLY/CONTROLLER
Published Aug 8, 2013
Detailed Description LNBH23L LNB supply and control IC with step-up and I²C interface Features ■ ■ Complete interface between LNB and I²C bu...
Datasheet PDF File LNBH23L PDF File

LNBH23L
LNBH23L

Overview
LNBH23L 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 receivers output voltage specification Auxiliary modulation input (EXTM pin) facilitates DiSEqC™ 1.
X encoding Accurate built-in 22 kHz tone generator suits widely accepted standards Low-drop post regulator and high efficiency step-up PWM with integrated power NMOS allow low power losses Overload and over-temperature internal protections with I²C diagnostic bits LNB short circuit dynamic protecti...


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