VERTICALDEFLECTION BOOSTER
.
POWERAMPLIFIER
.
FLYBACKGENERATOR
.
THERMALPROTECTION
.
OUTPUTCURRENT UP TO 2.6A
.
FLYBACKVOLTAGEUP TO 90V (on Pin 5)
.
SUITABLEFORDC COUPLINGAPPLICATION
DESCRIPTION
Designedfor monitorsand high performance TVs,
the STV9379Avertical deflection booster delivers
flybackvoltagesclose to 90V.
The STV9379A operates with supplies up to 42V
and provides up to 2.6A
the yoke.
TheSTV9379Aisofferedin HEPTAWATTpackage.
output current to drive
PP
PP
HEPTAWATT
(PlasticPackage)
ORDER CODE :
STV9379A
STV9379A
PIN CONNECTIONS
Tab connected to pin 4
August 1998
7
6
5
4
3
2
1
Non-inverting Input
OutputStage Supply
Output
GND or NegativeSupply
FlybackGenerator
SupplyVoltage
Inverting Input
9379A-01.EPS
1/5
STV9379A
BLOCKDIAGRAM
OUTPUT
SUPPLY
VOLTAGE
STAGE
SUPPLY
FLYBACK
GENERATOR
236
FLYBACK
GENERATOR
INVERTING INPUT
NON-INVERTING INPUT
1
POWER
AMPLIFIER
5
OUTPUT
7
THERMAL
PROTECTION
STV9379A
4
GROUND or NEGATIVE SUPPLY
ABSOLUTE MAXIMUMRATINGS
Symbol Parameter Value Unit
V
V
V
1,V7
I
I
I
V
ESD
T
oper
T
T
Notes : 1. Versus Pin 4.
Supply Voltage (Pin 2) (see note 1) 50 V
S
Flyback Peak Voltage(Pin 6) (see note 1) 100 V
6
Amplifier Input Voltage(Pins 1-7) (see note 1) -0.3, + V
Maximum Output Peak Current(see notes 2 and 3) 1.8 A
O
Maximum Sink Current (first part of flyback) (t < 1ms) 1.8 A
3
Maximum Source Current (t < 1ms) (see note 2) 1.8 A
3
ESD susceptibility: EIAJNorm (200pF discharged through 0Ω) 300 V
Operating Ambient Temperature - 20, + 75
Storage Temperature - 40, + 150
stg
Junction Temperature +150
j
2. The output current can reach 5A peak for t ≤ 10µs (up to 120Hz).
3. Provided SOAR is respected (see Figures1 and 2).
S
9379A-02.EPS
V
o
C
o
C
o
C
9379A-01.TBL
THERMAL DATA
Symbol Parameter Value Unit
Junction-case Thermal Resistance Max. 3
Temperature for Thermal Shutdown 150
t
Hysteresis on T
t
Recommended Max. Junction Temperature 120
jr
t
10
2/5
R
th(j-c)
T
∆T
T
o
C/W
o
o
o
C
C
C
9379A-02.TBL