LNBP14SPTR STMicroelectronics, LNBP14SPTR Datasheet

LNBP14SPTR

Manufacturer Part Number

LNBP14SPTR

Description

SOP-10

Manufacturer

STMicroelectronics

Datasheet

1.LNBP14SPTR.pdf (24 pages)

Specifications of LNBP14SPTR

Date_code

08+

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Feature summary

■

Description

Intended for analog and digital satellite receivers,

the LNBP is a monolithic linear voltage regulator,

assembled in PowerSO-20 and PowerSO-10,

specifically designed to provide the powering

voltages and the interfacing signals to the LNB

downconverter situated in the antenna

Order codes

May 2007

Complete interface for two LNBs remote supply

and control

LNB selection and stand-by function

Built-in tone oscillator factory trimmed at

22KHz

Fast oscillator start-up facilitates DiSEqC

encoding

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

Internal over temperature protection

Backward current protection

LNBP supply and control voltage regulator (parallel interface)

Part number

LNBP10

LNBP11

LNBP12

LNBP13

LNBP14

LNBP15

LNBP16

LNBP20

LNBP20PD-TR

PowerSO-20

Rev. 10

LNBP20 / LNBP1X series

via the coaxial cable. Since most satellite

receivers have two antenna ports, the output

voltage of the regulator is available at one of two

logic-selectable output pins (LNBA, LNBB). When

the IC is powered and put in Stand-by (EN pin

LOW), both regulator outputs are disabled to

allow the antenna downconverters to be

supplied/controlled by others satellite receivers

sharing the same coaxial lines. In this occurrence

the device will limit at 3 mA (max) the backward

current that could flow from LNBA and LNBB

output pins to GND. (See continuous description).

PowerSO-20

Package

LNBP10SP-TR

LNBP11SP-TR

LNBP12SP-TR

LNBP13SP-TR

LNBP14SP-TR

LNBP15SP-TR

LNBP16SP-TR

PowerSO-10

www.st.com

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