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LNBP10L

STMicroelectronics
Part Number LNBP10L
Manufacturer STMicroelectronics
Description LNB supply and control voltage regulator
Published Jun 26, 2023
Detailed Description LNBP8L, LNBP9L LNBP10L, LNBP11L LNB supply and control voltage regulator Features ■ Simplest integrated solution for LN...
Datasheet PDF File LNBP10L PDF File

LNBP10L
LNBP10L

Overview
LNBP8L, LNBP9L LNBP10L, LNBP11L LNB supply and control voltage regulator Features ■ Simplest integrated solution for LNB remote supply and control ■ 500 mA guaranteed output current ■ Dual input supply for reducing power dissipation (DFN package) ■ 3-state function to enable/disable and select the output voltage level through a single pin ■ Fast oscillator startup for DiSEq™ encoding (LNBP9L/11L versions) ■ External 22 kHz modulation input pin (LNBP8L/10L versions) ■ Cable length compensation, LLC pin (LNBP10L, LNBP11L versions) ■ Short-circuit and over-temperature protection ■ LNB overload and short-circuit dynamic protection (LNBP10L, LNBP11L versions) ■ Available in DFN8 (5 x 6 mm) and IPPAK packages Description Intended for analog and digital satellite receivers, the LNBP is a monolithic linear voltage regulator, assembled in the DFN8 (5 x 6) and IPPAK packages, specifically designed to provide the powering voltages and the interfacing signals to the LNB down-converter.
The regulator output can be logic controlled for 13 V or 18 V (typ.
) by means of the EN/VSEL 3-state pin for remotely controlling the LNB.
When the IC is powered and put in standby (EN/VSEL pin at high impedance), the regulator output is disabled.
In order to reduce power dissipation, the LNBP10L/11L versions (on DFN package) feature 2 supply inputs: VCC1 and VCC2.
These pins must be powered, respectively, at 15 V (min.
) and 22 V (min.
), and an internal switch will automatically select the appropriate supply voltage according to the selected output voltage.
The LNBP8L/9L versions (in the IPPAK package) have only one supply input pin, which IPPAK DFN8 (5 x 6 mm) must be supplied at 22 V (min.
).
Additionally, the LNBP10L/11L versions have the LLC pin to increment the selected output voltage value by 1 V (typ.
) to compensate for the excess voltage drop along the coaxial cable (LLC pin HIGH).
An analog 22 kHz modulation input pin (EXTM) is available in the LNBP8L and LNBP10L versions.
An appropri...


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