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STV5180

CONTROL I.C. FOR SWITCH MODE POWER SUPPLY

AND FOR LINE DEFLECTION

ADVANCE DATA

SECONDARY SIDE SWITCH MODE POWER

SUPPLY

INTERNAL PWM SIGNAL GENERATOR

SYNCHRONIZATION OR FREE RUNNING

MODES

SOFT START

REFERENCE VOLTAGE ADJUSTABLE BY

I

2

C BUS

WIDE FREQUENCY RANGE

MINIMUM OUTPUT PULSE WIDTH 2.4碌s

STAND-BY MODE, COMMANDED STBY IN-

PUT OR I

2

C BUS

HORIZONTAL DEFLECTION CONTROLLER

INTERNAL PWM SIGNAL GENERATOR

SYNCHRONIZATION OR FREE RUNNING

MODES

SOFT START

PERMANENT CONTROL OF DUTY CYCLE

TO SAFE THE POWER STAGE

CHOICE (BY I

2

C BUS) OF THE ACTIVE

EDGE OF THE INPUT SIGNAL

ON/OFF FUNCTION COMMANDED BY

I

2

C BUS

STAND-BY MODE COMMANDED BY STBY

INPUT AND BY I

2

C BUS

DESCRIPTION

The STV5180 is designedto work in the secondary

PIN CONNECTIONS

.

.

.

.

.

.

.

.

.

.

.

.

.

.

part of an off-line SMPS, sending pulses to the

slaved TEA2260/61 which are located on the pri-

mary side of the main transformer. Dedicated for

TV set applications, it contains also a line deflection

control circuit to insure a high level of safety for the

power deflection stage. These two functions are

2

commanded by I C bus.

SO16 WIDE

(Plastic Micropackage)

ORDER CODE :

STV5180

SOFT START SMPS

VOLTAGE SUPPLY

Csfs

V

CC

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

RTs

CTs

Eout

E-

SDA

SCL

SMPS OSCILLATOR RESISTOR

SMPS OSCILLATOR CAPACITANCE

OUTPUT ERROR AMPLIFIER

INPUT ERROE AMPLIFIER

I

2

C BUS INPUT

I

2

C BUS INPUT

5180-01.EPS

PWM OUTPUT SMPS Pouts

GROUND

GND

HORIZONTAL DRIVE PULSE Poutd

DEFLECTION SOFT START

DEFLECTION OSCILLATOR RESISTOR

DELECTION OSCILLATOR CAPACITANCE

Csfd

RTd

CTd

STBY TEST POINT

HDR

LINE SYNC PULSE FROM

SIGNAL /DEFLECTION PROCESSOR

August 1994

1/5

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