Datasheet > LNBP8_06

LNBP8_06

更新时间： 2024-11-27 03:51:51

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		稳压器
页数	文件大小	规格书
13页	192K
描述
LNB Supply and control voltage regulator

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中文翻译

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LNBP8_06 数据手册

LNBP8

LNBP9

LNB Supply and control voltage regulator

Feature summary

■ Simplest integrated solution for the LNB

remote supply and control

■ 500mA Guaranteed output current

■ Dual input supply for reducing power

dissipation

SPAK-7L

(PowerFlex^TM

)

■ 22KHZ Built-in tone oscillator (LNBP9 version)

■ Fast oscillator start-up for DiSEqC^TMencoding

..The TONE pin (only for the LNBP9 version)

activates the internal oscillator so that the DC

output is modulated by a 22KHz square wave.

This internal oscillator is factory trimmed within a

tolerance of +/- 2KHz, thus no further adjustment

or external components are required. A burst

coding of the 22KHz tone can be accomplished

thanks to the fast response of the TONE input and

the prompt oscillator start-up. This helps

(LNBP9 version)

■ Auxiliary modulation input for more flexibility

(LNBP8 version)

■ Stand-by function

■ Short circuit and overtemperature protection

■ Available in through-hole package

designers which want to implement the

Description

DiSEqC^TMprotocols. In order to improve design

flexibility and to allow implementation of other

LNB remote control standards, an analogic

modulation input pin (EXTM) is available (LNBP8

version only). An appropriate DC blocking

capacitor must be used to couple the modulating

signal source to the EXTM pin. Both versions

integrate thermal and short circuit protection. The

device is packaged in PowerFlex for an easy

through-hole mounting. If an adequate Heatsink is

provided and higher power losses are acceptable,

both supply pins can be powered by the same

23V source without affecting any other circuit

performance.

Intended for analog and digital satellite receivers,

the LNBP is a monolithic linear voltage regulator,

assembled in PowerFlex^TM, specifically designed

to provide the powering voltages and the

interfacing signals to the LNB down-converter.

The regulator output can be logic controlled to be

13V or 18V (typ.) by mean of the V_SELpin for the

remote controlling of the LNB. In order to reduce

the power dissipation of the device when the

lowest output voltage is selected, the regulator

has 2 supply inputs (V_CC1and V_CC2). They must

be powered respectively at 15V (min.) and 22V

(min.), and an internal switch will automatically

select the appropriate supply voltage according to

the selected output voltage.

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

pin LOW), the regulator output is disabled and the

IC power consumption is reduced to 300µA typ.

Order code

Package

SPAK-7L

Packaging

Tape & reel

Part number

LNBP8

LNBP9

LNBP8K7

LNBP9K7

LNBP8K7-R

LNBP9K7-R

September 2006

Rev. 3

1/13

www.st.com

12 3 4 5 6 7...13

中文翻译

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与LNBP8_06相关器件

型号	品牌	获取价格	描述	数据表
LNBP8K7	STMICROELECTRONICS	获取价格	LNB Supply and control voltage regulator
LNBP8K7-R	STMICROELECTRONICS	获取价格	LNB Supply and control voltage regulator
LNBP8LIT	STMICROELECTRONICS	获取价格	0.85A SWITCHING REGULATOR, 24kHz SWITCHING FREQ-MAX, PSIP5, ROHS COMPLIANT, IPPAK-5
LNBP8V7V	STMICROELECTRONICS	获取价格	LNB SUPPLY AND CONTROL VOLTAGE REGULATOR
LNBP9	STMICROELECTRONICS	获取价格	LNB SUPPLY AND CONTROL VOLTAGE REGULATOR
LNBP9K7	STMICROELECTRONICS	获取价格	LNB Supply and control voltage regulator
LNBP9K7-R	STMICROELECTRONICS	获取价格	LNB Supply and control voltage regulator
LNBP9V7V	STMICROELECTRONICS	获取价格	LNB SUPPLY AND CONTROL VOLTAGE REGULATOR
LNBS21	STMICROELECTRONICS	获取价格	LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE
LNBS21_04	STMICROELECTRONICS	获取价格	LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE

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