LNBP21 datasheet(1/20 Pages) STMICROELECTRONICS

No de pièce	LNBP21

Description	LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE

PDF	20 Pages

Scroll/Zoom	100%

Fabricant	STMICROELECTRONICS [STMicroelectronics]

Site Internet	http://www.st.com

Logo

1 / 20 page

1/20

October 2002

s

COMPLETE INTERFACE BETWEEN LNB

AND I2CTM BUS

s

BUILT-IN DC/DC CONTROLLER FOR

SINGLE 12V SUPPLY OPERATION

s

ACCURATE BUILT-IN 22KHz TONE

OSCILLATOR

s

SUITS WIDELY ACCEPTED STANDARDS

s

FAST OSCILLATOR START-UP FACILITATES

DiSEqCTM ENCODING

s

BUILT-IN 22KHz TONE DETECTOR

SUPPORTS BI-DIRECTIONAL DiSEqCTM

s

LOOP-THROUGH FUNCTION FOR SLAVE

OPERATION

s

LNB SHORT CIRCUIT PROTECTION AND

DIAGNOSTIC

s

CABLE LENGTH DIGITAL COMPENSATION

s

INTERNAL OVER TEMPERATURE

PROTECTION

s

ESD RATING 4KV ON POWER

INPUT-OUTPUT PINS

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

LNBP21

LNBP SUPPLY AND CONTROL IC WITH

STEP-UP CONVERTER AND I2C INTERFACE

Enable

I Select

Preregul.+

U.V.lockout

+P.ON res.

Feedback

Step-up

Controller

V Select

Linear Post-reg

+Modulator

+Protections

22KHz

Oscill.

Vup

LT1

OUT

SDA

SCL

DSQIN

Vcc

Diagnostics

I²C

interf.

Tone

Detector

DSQOUT

LT2

DETIN

LNBP21

Byp

Gate

Sense

EXTM

ADDR

SCHEMATIC DIAGRAM

SO-20

PowerSO-20

Numéro de pièce similaire - LNBP21

Fabricant	No de pièce	Fiches technique	Description
STMicroelectronics	LNBP21	760Kb / 24P	LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE 05-Oct-2004
	LNBP21D2	760Kb / 24P	LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE 05-Oct-2004
	LNBP21D2-TR	760Kb / 24P	LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE 05-Oct-2004
	LNBP21PD	760Kb / 24P	LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE 05-Oct-2004
	LNBP21PD-TR	760Kb / 24P	LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE 05-Oct-2004

More results

Description similaire - LNBP21

Fabricant	No de pièce	Fiches technique	Description
STMicroelectronics	LNBS21	637Kb / 19P	LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE Nov-2002
	LNBH221	515Kb / 18P	DUAL LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE Apr-2004
	LNBH21	493Kb / 20P	LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE Apr-2004
	LNBEH21	588Kb / 22P	LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND IC INTERFACE 05-Jul-2004
	LNBP21	760Kb / 24P	LNBP SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE 05-Oct-2004
	LNBH24	446Kb / 30P	Dual LNB supply and control IC with step-up and I2C interface 11-Feb-2008
	LNBS21	695Kb / 21P	LNB SUPPLY AND CONTROL IC WITH STEP-UP CONVERTER AND I2C INTERFACE 05-Oct-2004
	LNBH221	654Kb / 27P	Dual LNB supply and control IC with Step-Up converter and I2C interface 23-Feb-2006
	LNBH25LPQR	909Kb / 28P	LNB supply and control IC with step-up and I2C interface 15-Feb-2012
	LNBH23LQTR	483Kb / 25P	LNB supply and control IC with step-up and I2C interface 29-Nov-2010

More results

LNBP21 Fiches technique(PDF) 1 Page - STMicroelectronics

LNBP21 Fiches technique(HTML) 1 Page - STMicroelectronics

Numéro de pièce similaire - LNBP21

Description similaire - LNBP21

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Fiches technique Télécharger

Lien URL