VERTICALDEFLECTION BOOSTER
.
POWERAMPLIFIER
.
FLYBACKGENERATOR
.
THERMALPROTECTION
.
OUTPUTCURRENTUP TO2.0A
.
FLYBACKVOLTAGEUPTO 90V (on Pin5)
.
SUITABLEFORDCCOUPLINGAPPLICATION
DESCRIPTION
Designedfor monitorsand high performanceTVs,
the STV9379 vertical deflection booster delivers
flybackvoltages close to 90V.
TheSTV9379operateswith suppliesup to 42Vand
provides up to 2A
yoke.
TheSTV9379 is offered in HEPTAWATTpackage.
output current to drive the
PP
PP
HEPTAWATT
(PlasticPackage)
ORDER CODE :
STV9379
STV9379
PIN CONNECTIONS
Tab connectedto pin 4
August 1998
7
6
5
4
3
2
1
Non-invertingInput
Output Stage Supply
Output
GND
Flyback Generator
Supply Voltage
InvertingInput
9379-01.EPS
1/5
STV9379
BLOCKDIAGRAM
OUTPUT
SUPPLY
VOLTAGE
236
STAGE
SUPPLY
FLYBACK
GENERATOR
FLYBACK
GENERATOR
INVERTING INPUT
NON-INVERTING INPUT
1
7
POWER
AMPLIFIER
5
OUTPUT
THERMAL
PROTECTION
STV9379
GROUND OR NEGATIVE SUPPLY
4
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) 1.5 A
O
Maximum Sink Current (first part of flyback) (t < 1ms) 1.5 A
3
Maximum Source Current(t < 1ms) 1.5 A
3
ESD susceptibility: EIAJ Norm (200pF discharged through 0Ω) 300 V
Operating Ambient Temperature - 20, + 75
Storage Temperature - 40, + 150
stg
Junction Temperature +150
j
2. The outputcurrent can reach4A peak for t ≤ 10µs(up to 120Hz).
3. Provided SOAR is respected (see Figures1 and 2).
S
9379-02.EPS
V
o
C
o
C
o
C
9379-01.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
9379-02.TBL