TEA2028B Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

производитель

TEA2028B

COLOR TV SCANNING AND POWER SUPPLY PROCESSOR

STMicroelectronics 

TEA2028B

COLOR TV SCANNING AND POWER SUPPLY PROCESSOR

DEFLECTION

. CERAMIC 500kHz RESONATOR FRE-

QUENCY REFERENCE

. NO LINE AND FRAME OSCILLATOR AD-

JUSTMENT REFERENCE

. DUAL PLL FOR LINE DEFLECTION

. HIGH PERFORMANCE SYNCHRONIZATION

. SUPER SANDCASTLE OUTPUT

. FRAME BLANKING WITH SAFETY CIRCUIT

. VIDEO IDENTIFICATION CIRCUIT

. AUTOMATIC 50/60Hz STANDARD IDENTIFI-

CATION

. EXCELLENT INTERLACING CONTROL

. SPECIAL PATENTED FRAME SYNCHRO DE-

VICE FOR VCR OPERATION

. FRAME SAW-TOOTH GENERATOR

SMPS CONTROL

. ERROR AMPLIFIER AND PHASE MODULA-

TOR

. SYNCHRONIZATION WITH HORIZONTAL

DEFLECTION

. SECURITY CIRCUIT AND START-UP PROC-

ESSOR

. OUTPUT PULSES ARE SENT TO THE PRI-

MARY SMPS IC TEA2261 THROUGH A LOW

COST SYNCHRO PULSE TRANSFORMER

PIN CONNECTIONS

DESCRIPTION

The TEA2028B is a complete (horizontal and ver-

tical) deflection processor with secondary to pri-

mary SMPS control for color TV sets.

DIP28

(Plastic Package)

ORDER CODE : TEA2028B

LINE MONOSTABLE CAPACITOR

1

SAFETY FRAME BLANKING INPUT

2

FRAME SAW-TOOTH OUTPUT

3

FRAME BLANKING OUTPUT

4

FRAME RAMP GENERATOR

5

GROUND POWER

6

SWITCH MODE POWER SUPPLY OUTPUT

7

V CC

8

S.M.P.S. INPUT REGULATION

9

HORIZONTAL OUTPUT

10

S. SANDCASTLE OUTPUT

11

HORIZONT AL FLYBACK INPUT

12

HORIZO NTAL SAW-TOOTH

13

CURRENT REFERENCE

14

28

SAFETY INPUT

27

VIDEO INPUT

26

H. SYNCHRO CAPACITOR (tip level)

25

VIDEO IDENTIFICATION CAPACITOR

24

MUTING + 50/60Hz IDENT. OUTPUT

23

V.C.R. INPUT

22

PHASE COMPARATOR Φ1 CAPACITOR

21

GROUND SUBSTRAT

20

FRAME SYNCHRO ADJ USTMENT CAPACITOR

19

V.C.O. INPUT

18

V.C.O. OUTPUT

17

V.C.O. 90° REF.

16

PHASE COMPARATOR Φ2 CAPACITOR

15

STARTING AND SAFETY CAPACITOR

August 1993

1/9

Share Link: