SGS Thomson Microelectronics TDA8178S Datasheet
TV VERTICALDEFLECTION BOOSTER
.
POWERAMPLIFIER
.
FLYBACKGENERATOR
.
THERMAL PROTECTION
.
REFERENCEVOLTAGE
DESCRIPTION
Designedfor monitors and high performanceTVs,
the TDA8178Svertical deflection booster delivers
flyback voltagesup to 90V.
The TDA8178Soperates with supplies up to 42V
and provides up to2App output current to drive to
yoke.
TheTDA8178Sis offeredin HEPTAWATTpackage
TDA8178S
HEPTAWATT
(Plastic Package)
ORDER CODE : TDA8178S
PIN CONNECTIONS
Tab connectedto pin 4
May 1993
7
6
5
4
3
2
1
ReferenceVoltage
Output Stage Supply
Output
GND
Flyback Generator
SupplyVoltage
InvertingInput
8178S-01.EPS
1/6
TDA8178S
BLOCK DIAGRAM
26 3
FLYBACK
GENERATOR
+V
S
1
7
REFERENCE
VOLTAGE
APPLICATION CIRCUIT (VS= 42V)
+V
S
POWER
AMPLIFIER
THERMAL
PROTECTION
4
26 3
5
YOKE
8178S-02.EPS
1
7
TDA8178S
4
5
Note : For values see ”EasyDesignof Vertical Deflection Stages” (software available from our sales offices)
2/6
YOKE
8178S-03.EPS
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