LNBP21PD-TR Datasheet

IC型號：
LNBP21PD-TR
PDF描述：
LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C IN...
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695.65KB
PDF頁數(shù)：
20頁
芯片廠家：
STMICROELECTRONICS

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LNBP21

LNBP SUPPLY AND CONTROL IC WITH

STEP-UP CONVERTER AND I

C INTERFACE

COMPLETE INTERFACE BETWEEN LNB

AND I2CTM BUS

BUILT-IN DC/DC CONTROLLER FOR

SINGLE 12V SUPPLY OPERATION

ACCURATE BUILT-IN 22KHz TONE

OSCILLATOR

SUITS WIDELY ACCEPTED STANDARDS

FAST OSCILLATOR START-UP FACILITATES

DiSEqCTM ENCODING

BUILT-IN 22KHz TONE DETECTOR

SUPPORTS BI-DIRECTIONAL DiSEqCTM

LOOP-THROUGH FUNCTION FOR SLAVE

OPERATION

LNB SHORT CIRCUIT PROTECTION AND

DIAGNOSTIC

CABLE LENGTH DIGITAL COMPENSATION

INTERNAL OVER TEMPERATURE

PROTECTION

ESD RATING 4KV ON POWER

INPUT-OUTPUT PINS

PowerSO-20

SO-20

DESCRIPTION

Intended for analog and digital satellite STB

receivers/SatTV, sets/PC cards, the LNBP21 is a

monolithic voltage regulator and interface IC,

assembled in SO-20 and PowerSO-20,

specifically designed to provide the power and the

13/18V, 22KHz tone signalling to the LNB

SCHEMATIC DIAGRAM

Gate

Sense

Step-up

Controller

LNBP21

LT1

Feedback

LT2

Vup

Vcc

Byp

OUT

Preregul.+

U.V.lockout

+P.ON res.

Enable

I Select

V Select

Linear Post-reg

+Modulator

+Protections

EXTM

SDA

SCL

ADDR

DSQIN

I虜C

interf.

22KHz

Oscill.

Diagnostics

DETIN

Tone

Detector

DSQOUT

October 2002

1/20

其它有關(guān)文件
LNBP21 View All Specifications
標(biāo)準(zhǔn)包裝
1
類別
集成電路 (IC)
家庭
PMIC - 穩(wěn)壓器 - 專用型
系列
-
應(yīng)用
轉(zhuǎn)換器，模擬和數(shù)字式衛(wèi)星信號 STB 接收器/SatTV
輸入電壓
8 V ~ 15 V
輸出數(shù)
1
輸出電壓
13V，18V
工作溫度
0°C ~ 85°C
安裝類型
表面貼裝
封裝/外殼
20-SOIC（0.433"，11.00mm 寬）裸露焊盤
供應(yīng)商設(shè)備封裝
PowerSO-20
包裝
Digi-Reel®
其它名稱
497-4273-6

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