STV9379A
VERTICAL DEFLECTION BOOSTER
FEATURES
s
s
s
s
s
s
PACKAGE
Power Amplifier
Flyback Generator
Thermal Protection
Output Current up to 2.6 App
Flyback Voltage up to 90V (on pin 5)
Suitable for DC Coupling Application
DESCRIPTION
Designed for monitors and high performance TVs,
the STV9379A vertical deflection booster delivers
flyback voltages close to 90V.
The STV9379A operates with supplies up to 42V
and provides up to 2.6 A
PP
output current to drive
the yoke.
The STV9379A is inserted in HEPTAWATT
package.
PIN CONNECTION
O
so
b
te
le
ro
P
uc
d
s)
t(
so
b
-O
P
te
le
HEPTAWATT
(Plastic Package)
ORDER CODE: STV9379A
od
r
s)
t(
uc
Non-inverting Input
Output Stage Supply
Output
GND or Negative Supply
Flyback Generator
Supply Voltage
Inverting Input
Tab connected to Pin 4
Version 4.2
September 2003
1/6
1
STV9379A
BLOCK DIAGRAM
Figure 1. STV9379A block diagram
Supply voltage Output stage supply
2
6
Flyback generator
3
Flyback
Inverting input 1
-
Power
amplifier
Non-inverting input 7
+
Thermal
protection
STV9379A
4
generator
5
Output
Ground or negative supply
ABSOLUTE MAXIMUM RATINGS
Symbol
V
S
V
6
V
1
,V
7
I
O
I
3
I
3
V
ESD
T
oper
T
stg
T
j
Note 1:Versus
Pin 4.
Parameter
Supply Voltage (Pin 2) (Note
1)
Flyback Peak Voltage (Pin 6) (Note
1)
Amplifier Input Voltage (Pins 1-7) (Note
1)
Maximum Output Peak Current (Note
2, Note 3)
Maximum Source Current (t < 1ms) (Note
2)
Operating Ambient Temperature
Storage Temperature
Junction Temperature
Maximum Sink Current (first part of flyback) (t < 1ms)
ESD Susceptibility: EIAJ Norm (200pF discharged through 0Ω)
Note 2:The
output current can reach 5A peak for t
≤ 10µs
(up to 120Hz)
Note 3:Provided
SOAR is respected (see Figures 2 and 3).
bs
O
THERMAL DATA
Symbol
R
th (j-c)
T
t
∆T
t
T
jr
Parameter
Junction-Case Thermal Resistance Max.
Temperature for Thermal Shutdown
Hysteresis on Tt
Recommended Max. Junction Temperature
Value
3
150
10
120
Unit
°C/W
°C
°C
°C
et
l
o
P
e
ro
uc
d
s)
t(
b
-O
so
P
te
le
od
r
Value
50
100
1.8
1.8
1.8
300
-20, +75
s)
t(
uc
Unit
V
V
V
A
A
A
V
°C
°C
°C
-0.3, + V
S
-40, +150
+ 150
2/6
1
STV9379A
ELECTRICAL CHARACTERISTICS
Symbol
V
S
I
2
I
6
I
o
I
1
I
7
V
IO
∆V
IO
/dt
GV
V
5L
V
5H
V
D5-6
V
D3-2
V
3L
V
3SH
V
S
=42V, T
A
= 25°C, unless otherwise specified
Parameter
Operating Supply Voltage Range
Pin 2 Quiescent Current
Pin 6 Quiescent Current
Max. Peak Output Current
Amplifier Bias Current
Amplifier Bias Current
Offset Voltage
Offset Drift Versus Temperature
Voltage Gain
Output Saturation Voltage to GND (Pin 4)
Output Saturation Voltage to Supply (Pin 6)
Diode Forward Voltage between Pins 5-6
Diode Forward Voltage between Pins 3-2
Saturation Voltage on Pin 3
Saturation Voltage to Pin 2 (2nd part of flyback)
Test Conditions
Versus Pin 4
I
3
= 0, I
5
= 0
I
3
= 0, I
5
= 0
V
1
= 25V, V
7
= 26V
V
1
= 26V, V
7
= 25V
Min.
10
5
Typ.
13
10
-0.15
-0.15
- 10
80
I
5
= 1.3A
I
5
= -1.3A
I
5
= 1.3A
I
3
= 1.3A
I
3
= 20mA
I
3
= - 1.3A
1
1.6
1.3
1.3
0.8
2.9
1.5
2.1
2
2
1.2
3.6
Max.
42
20
30
1.3
-1
-1
7
Unit
V
mA
mA
A
µA
µA
mV
µV/°C
dB
V
V
V
V
V
V
APPLICATION CIRCUITS
AC COUPLING
O
so
b
te
le
ro
P
uc
d
s)
t(
A
so
b
-O
P
te
le
od
r
s)
t(
uc
Recommended:
3/6
STV9379A
APPLICATION CIRCUITS
(CONTINUED)
DC COUPLING.
A
Recommended:
Figure 2. Output transistors SOA
(for secondary breakdown)
O
so
b
te
le
ro
P
uc
d
s)
t(
so
b
-O
P
te
le
od
r
s)
t(
uc
Figure 3. Secondary breakdown
Temperature Derating Curve
(ISB = Secondary Breakdown current)
4/6
STV9379A
PACKAGE MECHANICAL DATA: 7 PINS - PLASTIC HEPTAWATT
Dimensions
A
C
D
D1
E
F
F1
G
G1
G2
H2
H3
L
Millimeters
Min.
Typ.
Max.
4.8
1.37
2.4
1.2
0.35
0.6
2.41
4.91
7.49
O
so
b
L1
L2
L3
L5
L6
L7
M
M1
Dia.
et
l
P
e
2.6
15.1
6
ro
uc
d
2.54
5.08
7.62
s)
t(
b
-O
2.8
1.35
0.8
0.55
0.9
2.67
5.21
7.8
10.4
10.4
so
P
te
le
Min.
Inches
Typ.
od
r
s)
t(
uc
Max.
0.189
0.054
0.110
0.053
0.022
0.031
0.035
0.094
0.047
0.024
0.095
0.193
0.295
0.100
0.200
0.300
0.014
0.105
0.205
0.307
0.409
0.409
10.05
16.97
14.92
21.54
22.62
0.396
0.668
0.587
0.848
0.891
3
15.8
6.6
2.8
5.08
0.102
0.594
0.236
0.110
0.200
0.118
0.622
0.260
3.65
3.85
0.144
0.152
5/6
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