LNBP16SP-TR STMicroelectronics

LNBP20 / LNBP1X series LNBP supply and control voltage regulator (parallel interface) Feature summary Complete interface for two LNBs remote supply and control LNB selection and stand-by function 10 Built-in tone oscillator factory trimmed at 22KHz 1 TM Fast oscillator start-up facilitates DiSEqC encoding PowerSO-20 PowerSO-10 Two supply inputs for lowest dissipation Bypass function for slave operation LNB short circuit protection and diagnostic Auxiliary modulation input extends flexibility Cable length compensation via the coaxial cable. Since most satellite Internal over temperature protection receivers have two antenna ports, the output voltage of the regulator is available at one of two Backward current protection logic-selectable output pins (LNBA, LNBB). When the IC is powered and put in Stand-by (EN pin Description LOW), both regulator outputs are disabled to allow the antenna downconverters to be Intended for analog and digital satellite receivers, supplied/controlled by others satellite receivers the LNBP is a monolithic linear voltage regulator, sharing the same coaxial lines. In this occurrence assembled in PowerSO-20 and PowerSO-10, the device will limit at 3 mA (max) the backward specifically designed to provide the powering current that could flow from LNBA and LNBB voltages and the interfacing signals to the LNB output pins to GND. (See continuous description). downconverter situated in the antenna Order codes Package Part number PowerSO-20 PowerSO-10 LNBP10 LNBP10SP-TR LNBP11 LNBP11SP-TR LNBP12 LNBP12SP-TR LNBP13 LNBP13SP-TR LNBP14 LNBP14SP-TR LNBP15 LNBP15SP-TR LNBP16 LNBP16SP-TR LNBP20 LNBP20PD-TR May 2007 Rev. 10 1/24 www.st.com 24LNBP20 / LNBP1X series Contents 1 Description (continued) 3 2 Pin configuration . 4 3 Maximum ratings 6 4 Diagram . 7 5 Electrical characteristics . 8 6 Typical characteristics 10 7 Typical application schematics . 14 8 Package mechanical data 18 9 Revision history . 23 2/24