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TDA9309

ST Microelectronics
Part Number TDA9309
Manufacturer ST Microelectronics
Description VERTICAL DEFLECTION BOOSTER
Published Apr 16, 2005
Detailed Description TDA9309 VERTICAL DEFLECTION BOOSTER . . . . . . POWER AMPLIFIER FLYBACK GENERATOR THERMAL PROTECTION OUTPUT CURRENT UP...
Datasheet PDF File TDA9309 PDF File

TDA9309
TDA9309

Overview
TDA9309 VERTICAL DEFLECTION BOOSTER .
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POWER AMPLIFIER FLYBACK GENERATOR THERMAL PROTECTION OUTPUT CURRENT UP TO 2.
0APP FLYBACK VOLTAGE UP TO 70V (on Pin 5) SUITABLE FOR DC COUPLING APPLICATION HEPTAWATT (Plastic Package) DESCRIPTION Designed for monitors and high performance TVs, the TDA9309 vertical deflection booster delivers flyback voltages up to 70V.
The TDA9309 operates with supplies up to 35Vand provides up to 2App output current to drive the yoke.
The TDA9309 is offered in HEPTAWATT package.
PIN CONNECTIONS ORDER CODE : TDA9309 7 6 5 4 3 2 1 Inve rting Input Output S ta ge S upply Output GND Flyba ck Ge ne ra tor S upply Voltage Non-inverting Input Ta b conne cte d to pin 4 9309-01.
EPS November 1996 1/6 TDA9309 BLOCK DIAGRAM SUPPLY VOLTAGE 2 OUTP UT STAGE SUPPLY 6 FLYBACK GENERATOR 3 FLYBACK GENER ATOR INVERTING INPUT 7 P OWER AMP LIFIER 5 THERMAL PROTE CTION OUTP UT NON-INVERTING INPUT 1 4 GROUND ABSOLUTE MAXIMUM RATINGS Symbol VS V6 V1 , V7 V3 IO I3 I3 VESD Toper Tstg Tj Notes : 1.
2.
3.
4.
5.
Parameter Supply Voltage (Pin 2) (see note 1) Flyback Peak Voltage (Pin 6) (see note 1) Amplifier Input Voltage (Pins 1-7) (see note 1) Voltage at Pin 3 (see note 5) Maximum Output Peak Current (see notes 2 and 3) Maximum Sink Current (first part of flyback) (t < 1ms) Maximum Source Current (t < 1ms) (see note 2) Electrostatic Handling for all pins (see note 4) Operating Ambient Temperature Storage Temperature Junction Temperature Value 40 70 VS VS + 3.
0 1.
5 1.
5 1.
5 2000/300 - 20, + 75 - 40, + 150 +150 Unit V V V V A A A V o o o C C Versus Pin 4.
The output current can reach 4A peak for t ≤ 10µs (up to 200Hz).
Provided SOAR is respected (see Figures 1 and 2).
Equivalent to discharging a 100pF capacitor through a 1.
5kΩ serial resistor / 200pF capacitor through 0 Ω resistor.
This will occur during 1st half of flyback pulse.
THERMAL DATA Symbol Rth (j-c) Tt Tjr Parameter Junction-case Thermal Resistance Temperature for Thermal Shutdown ...


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