September 2003

1/5

This is preliminary information on a new product now in development. Details are subject to change without notice.

TDA1771

VERTICAL DEFLECTION CIRCUIT

s

RAMP GENERATOR

s

INDEPENDENT AMPLITUDE ADJUSTEMENT

s

BUFFER STAGE

s

POWER AMPLIFIER

s

FLYBACK GENERATOR

s

INTERNAL REFERENCE VOLTAGE

s

THERMAL PROTECTION

DESCRIPTION

The TDA1771 is a monolithic integrated circuit in

SIP10 package.

It is a full performance and very efficient vertical

deflection circuit intended for direct drive of a TV

picture tube in Color and B & W television as well

as in Monitor and Data displays.

Figure 1. PIN CONNECTIONS (Top View)

Figure 2. BLOCK DIAGRAM

SIP10

(Plastic Package)

10

9

8

7

6

5

4

3

2

1

POWER OUTPUT

OUTPUT STAGE V

S

TRIGGER INPUT

HEIGHT ADJUSTMENT

GROUND

RAMP GENERATOR

BUFFER OUTPUT

INVERTING INPUT

V

S

FLYBACK GENERATOR

FLYBACK

GENERATOR

THERMAL

PROTECTION

RAMP

GENERATOR

BUFFER

STAGE

VOLTAGE

REGULATOR

POWER

AMP.

10

2

1

9

3

46

7

8

5

R3

CLOCK

PULSE

TRIGGER IN

1