TCL SERVICE MANUAL - Tecnicosaurios
TCL SERVICE MANUAL - Tecnicosaurios
TCL SERVICE MANUAL - Tecnicosaurios
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® STV8172A<br />
Vertical Deflection Booster<br />
for 3-A PP TV/Monitor Applications with 75-V Flyback Generator<br />
Main Features<br />
■ Power Amplifier<br />
■ Flyback Generator<br />
■ Stand-by Control<br />
■ Output Current up to 3 App<br />
■ Thermal Protection<br />
PRODUCT PREVIEW<br />
HEPTAWATT<br />
(Plastic Package)<br />
ORDER CODE: STV8172A<br />
Description<br />
The STV8172A is a vertical deflection booster<br />
designed for TV and monitor applications.<br />
This device, supplied with up to 35 V, provides up to<br />
2.5 App output current to drive the vertical<br />
deflection yoke.<br />
7<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
Input (Non Inverting)<br />
Output Stage Supply<br />
Output<br />
Ground Or Negative Supply<br />
Flyback Generator<br />
Supply Voltage<br />
Input (Inverting)<br />
The internal flyback generator delivers flyback<br />
voltages up to 75 V.<br />
Tab connected<br />
to pin 4<br />
In double-supply applications, a stand-by state will<br />
be reached by stopping the (+) supply alone.<br />
Output Stage<br />
Supply<br />
6<br />
Flyback<br />
Generator<br />
3<br />
Supply<br />
Voltage<br />
2<br />
Non-Inverting<br />
Input<br />
Inverting<br />
Input<br />
7<br />
1<br />
+<br />
Power<br />
Amplifier<br />
-<br />
Thermal<br />
Protection<br />
Flyback<br />
Generator<br />
5<br />
Output<br />
STV8172A<br />
4<br />
Ground or Negative Supply<br />
August 2003 Revision 1.0 ADCS No. 7564264 STMicroelectronics Confidential 1/14<br />
This is preliminary information on a new product now in development. Details are subject to change without notice.
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