TDA8172
TV VERTICAL DEFLECTION OUTPUT CIRCUIT
.
.
.
POWER AMPLIFIER
FLYBACK GENERATOR
THERMAL PROTECTION
DESCRIPTION
The TDA8172 is a monolithic integrated circuit in
HEPTAWATT
TM
package. It is a high efficiency
power booster for direct driving of vertical windings
of TV yokes. It is intended for use in Color and B &
W television as well as in monitors and displays.
PIN CONNECTIONS
(top view)
7
6
5
4
3
2
1
NON-INVERTING INPUT
OUTPUT STAGE SUPPLY
OUTPUT
GROUND
FLYBACK GENERATOR
SUPPLY VOLTAGE
INVERTING INPUT
HEPTAWATT
(Plastic Package)
ORDER CODE :
TDA8172
Tab connected to Pin 4
BLOCK DIAGRAM
+ V
S
2
6
3
FLYBACK
GENERATOR
1
POWER
AMPLIFIER
5
THERMAL
P ROTECTION
7
TDA8172
4
YOKE
May 1996
1/5
8172-02.EPS
8172-01.EPS
STMICROELECTRONICS [ STMICROELECTRONICS ]
