NTE1289
Integrated Circuit
TV Vertical Deflection System
Description:
The NTE1289 is a monolithic integrated circuit in a 12Lead quad inline package designed for use
in black and white and color TV receivers.
Features:
D
Synchronization Circuit
D
Oscillator and Ramp Generator
D
High Power Gain Amplifier
D
Flyback Generator
D
Voltage Regulator
Absolute Maximum Ratings:
Supply Voltage (Pin2), V
S
35V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flyback Peak Voltage, V
4
, V
5
60V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Amplifier Input Voltage, V
10
+10, 0.5V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Peak Current (NonRepetitive, t = 2msec), I
O
2A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output Peak Current, I
O
(f = 50Hz, t
10
s)
2.5A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(f = 50Hz, t > 10
s)
1.5A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin3 DC Current (V
4
< V
2
), I
3
100mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin3 PeaktoPeak Flyback Current (f = 50Hz, t
fly
1.5msec), I
3
1.8A
. . . . . . . . . . . . . . . . . . . . . . . .
Pin8 Current, I
8
20mA
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Dissipation, P
tot
T
A
= +80
C
1W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
tab
= +90
C
5W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Junction Temperature Range, T
J
40
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
40
to +150
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, JunctiontoTab, R
thJTAB
12
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, JunctiontoAmbient (Note 1), R
thJA
70
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. Obtained with tabs soldered to printed circuit with minimized copper area.
DC Elecrtrical Characteristics: (T
A
= +25
C, V
S
= 35V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Pin2 Quiescent Current
I
2
I
3
= 0
7
14
mA
Pin5 Quiescent Current
I
5
I
4
= 0
8
15
mA
Oscillator Bias Current
I
9
V
9
= 1V
0.1
1.0
A
Amplifier Input Bias Current
I
10
V
10
= 1V
0.1
1.0
A
Ramp Generator Bias Current
I
12
V
12
= 0
0.02
0.3
A
Ramp Generator Current
I
12
I
7
= 20
A, V
12
= 0
19
20
24
A
Ramp Generator NonLinearity
I
12
/I
12
I
12
= 0V to 12V, I
7
= 20
A
0.2
1.0
%
Supply Voltage Range
V
S
10
36
V
Pin1 Saturation Voltage to GND
V
1
I
1
= 1mA
1
14
V
Pin3 Saturation Voltage to GND
V
3
I
3
= 10mA
1.7
2.6
V
Quiescent Output Voltage
V
4
V
S
= 10V, R
1
= 10k
, R
2
= 10k
4.17
4.40
4.63
V
V
S
= 35V, R
1
= 30k
, R
2
= 10k
8.35
8.80
9.25
V
Output Saturation Voltage to GND
V
4L
I
4
= 100mA
0.9
1.2
V
I
4
= 800mA
1.9
2.3
V
Output Saturation Voltage to V
S
V
4H
I
4
= 100mA
1.4
2.1
V
I
4
= 800mA
2.8
3.2
V
Regulated Voltage at Pin6
V
6
6.1
6.5
6.9
V
Regulated Voltage at Pin7
V
7
I
7
= 20
A
6.2
6.6
7.0
V
Regulated Voltage Drift with V
S
V
S
= 10V to 35V
1
mV/V
Amplifier Input Reference Voltage
V
10
2.07
2.20
2.30
V
Pin8 Input Resistance
R
8
V
8
400mV
1
M
AC Elecrtrical Characteristics: (T
A
= +25
C, V
S
= 25V, f = 50Hz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Supply Current
I
S
I
y
= 1A
PP
140
mA
Sync. Input Current (Positive or Negative)
I
8
500
A
Flyback Voltage
V
4
I
y
= 1A
PP
51
V
PeaktoPeak Oscillator Sawtooth Voltage
V
9
2.4
V
Flyback Time
t
fly
I
y
= 1A
PP
0.7
ms
Free Running Time
f
o
(P
1
+ R
1
) = 300k
, C
2
= 100nF
44
Hz
(P
1
+ R
1
) = 260k
, C
2
= 100nF
52
Hz
Synchronization Range
f
I
8
= 0.5mA
14
Hz
Frequency Drift with V
S
f/
V
S
V
S
= 10V to 35V
0.005
Hz/V
Frequency Drift with T
tab
f/
T
tab
T
tab
= +40
to +120
C
0.01
Hz/
C
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