VERTICALDEFLECTION BOOSTER
.
POWERAMPLIFIER
.
FLYBACKGENERATOR
.
THERMAL PROTECTION
.
OUTPUTCURRENT UP TO 2.0A
.
FLYBACKVOLTAGEUP TO 70V (on Pin5)
.
SUITABLEFOR DC COUPLING APPLICATION
DESCRIPTION
Designedfor monitors andhighperformance TVs,
the TDA9309 vertical deflection booster delivers
flyback voltagesupto 70V.
TheTDA9309operateswithsuppliesupto35Vand
provides up to 2App output current to drive the
yoke.
The TDA9309is offeredinHEPTAWATTpackage.
PP
TDA9309
HEPTAWATT
(Plastic Package)
ORDER CODE : TDA9309
PIN CONNECTIONS
Tab conne cted to pin 4
November 1996
7
6
5
4
3
2
1
Inverting Input
Output S tage Supply
Outp u t
GND
Flyback Generator
Supply V oltage
Non-inverting Input
9309-01.EPS
1/6
TDA9309
BLOCK DIAGRAM
OUTPUT
SUPPLY
VOLTAGE
STAGE
SUPPLY
236
FLYBACK
GENERATOR
FLYBACK
GENERATOR
INVERTING INPUT
NON-INVERTING INPUT
7
1
TDA9309
POWER
AMPLIFIER
4
GROUND
THERMAL
PROTECTION
5
OUTPUT
ABSOLUTEMAXIMUM RATINGS
Symbol Parameter Value Unit
V
V
V
1,V7
V
I
I
I
V
ESD
T
oper
T
T
Notes : 1. Versus Pin 4.
Supply Voltage (Pin 2)(see note1) 40 V
S
Flyback PeakVoltage(Pin 6)(see note1) 70 V
6
Amplifier Input Voltage(Pins 1-7) (see note 1) V
Voltageat Pin 3(see note5) VS+ 3.0 V
3
Maximum OutputPeak Current (see notes 2 and 3) 1.5 A
O
Maximum SinkCurrent (first part of flyback) (t < 1ms) 1.5 A
3
Maximum SourceCurrent (t < 1ms) (see note 2) 1.5 A
3
S
Electrostatic Handling for all pins (see note 4) 2000/300 V
Operating Ambient Temperature - 20, + 75
Storage Temperature - 40, + 150
stg
Junction Temperature +150
j
2. The output current can reach 4Apeak for t ≤ 10µs (up to 200Hz).
3. Provided SOAR is respected (see Figures1 and 2).
4. Equivalent to discharging a 100pF capacitor through a 1.5kΩ serial resistor / 200pF capacitor through0Ω resistor.
5. This will occurduring 1sthalf of flyback pulse.
9309-02.EPS
V
o
C
o
C
o
C
9309-01.TBL
THERMALDATA
Symbol Parameter Value Unit
Junction-case Thermal Resistance Max. 3
Temperature for Thermal Shutdown 150
t
Recommended Max. JunctionTemperature 120
jr
2/6
R
th (j-c)
T
T
o
C/W
o
C
o
C
9309-02.TBL