File name TDA8176.pdfTDA8176
TV VERTICAL DEFLECTION SYSTEM FOR TV AND MONITORS
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SYNCHRONIZATION CIRCUIT OSCILLATOR AND RAMP GENERATOR HIGH POWER GAIN AMPLIFIER FLYBACK GENERATOR VOLTAGE REGULATOR
DESCRIPTION The TDA8176 is a monolithic integrated circuit in Multiwatt 15 package. It is intended for use in color TV sets and monitors. PIN CONNECTIONS
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
MULTIWATT 15 (Plastic Package) ORDER CODE : TDA8176
Tab connected to Pin 8
BLOCK DIAGRAM
12 5 7 11
15
OSCILLATOR
VOLTAGE REGULATOR
FLYBACK GENERATOR
POWER AMPLIFIER
9
14
SYNC CIRCUIT
RAMP GENERATOR
BUFFER STAGE
PREAMPLIFIER
2
8176-02.EPS
8
13
3
4
1
November 1992
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8176-01.EPS
OSCILLATOR SYNC. INPUT HEIGHT ADJUSTMENT REGULATOR VOLTAGE POWER AMPLIFIER V S N.C. POWER AMPLIFIER OUT GROUND FLYBACK N.C. VOLTAGE SUPPLY RAMP OUT RAMP GENERATOR COMPENSATION AMPLIFIER
TDA8176
ABSOLUTE MAXIMUM RATINGS
Symbol V5 V4, V5 V10 Io Io Io I3 I3 I8 Ptot Tstg, Tj Supply Voltage at Pin 2 Flyback Peak Voltage Power Amplifier Input Voltage Output Peak Current (non repetitive) at t = 2 ms Output Peak Current at f = 50 Hz t 10 µs Output Peak Current at f = 50 Hz t > 10 µs Pin 3 DC Current at V4 < V2 Pin 3 Peak to Peak Flyback Current for f = 50 Hz, tfly 1.5 ms Pin 8 Current Power Dissipation at Ttab = 90 °C at Tamb = 80 °C Parameter Value 35 60 + 10 0.5 2 2.5 1.5 100 1.8 ± 20 20 1.4 40, + 150 Unit V V V V A A A mA A mA
8176-01.TBL 8176-03.TBL 8176-02.TBL
W W °C
Storage and Junction Temperature
THERMAL DATA
Symbol Rth (jc) Rth (ja) Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient Max. Max. Value 3 50 Unit °C/W °C/W
AC ELECTRICAL CHARACTERISTICS (refer to the test circuit, VS = 25V ; f = 50Hz ; Tamb = 25oC, unless otherwise specified)
Symbol Is I14 V9 V15 tfly fo Supply Current Sync. Input Current (positive or negative) Flyback Voltage Peak to peak Oscillator Sawtooth Voltage Flyback Time Free Running Frequency Iy = 1 App (P1 + R1) = 300k C2 = 100 nF (P1 + R1) = 260k C2 = 100 nF f f VS f T tab Synchronization Range Frequency Drift with Supply Voltage Frequency Drift with Tab Temperature I8 = 0.5 mA Vs = 10 to 35 V Ttab = 40 to 120 °C 14 0.005 0.01 Iy = 1 App Parameter Test Conditions Iy = 1 App 500 51 2.4 0.7 44 52 Min. Typ. 140 Max. Unit mA µA V V ms Hz Hz Hz Hz/V Hz/°C
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TDA8176
DC ELECTRICAL CHARACTERISTICS (VS = 35V, Tamb = 25oC unless otherwise specified)
Symbol I5 I11 I15 I1 I3 I3 I3 Parameter Pin 5 Quiescent Current Pin 11 Quiescent Current Oscillator Bias Current Amplifier Input Bias Current Ramp Generator Bias Current Ramp Generator Current Ramp Generator Non-linearity Supply Voltage Range Pin 4 Saturation Voltage to Ground Pin 7 Saturation Voltage to Ground Quiescent Output Voltage I4 = 1 mA I7 = 10 mA Vs = 10 V R1 = 10 k R2 = 10 k Vs = 35 V R1 = 30 k R2 = 10 k V9L V9H V12 V13 V12 V13 , VS VS V1 R14 Output Saturation Voltage to Ground Output Saturation Voltage to Supply Regulated Voltage at Pin 12 Regulated V |