NTE NTE1289

NTE1289
Integrated Circuit
TV Vertical Deflection System
Description:
The NTE1289 is a monolithic integrated circuit in a 12–Lead quad in–line 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), VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V
Flyback Peak Voltage, V4, V5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V
Power Amplifier Input Voltage, V10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +10, –0.5V
Output Peak Current (Non–Repetitive, t = 2msec), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Output Peak Current, IO
(f = 50Hz, t ≤ 10µs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5A
(f = 50Hz, t > 10µs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A
Pin3 DC Current (V4 < V2), I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Pin3 Peak–to–Peak Flyback Current (f = 50Hz, tfly ≤ 1.5msec), I3 . . . . . . . . . . . . . . . . . . . . . . . . 1.8A
Pin8 Current, I8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20mA
Power Dissipation, Ptot
TA = +80°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1W
Ttab = +90°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5W
Operating Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +150°C
Thermal Resistance, Junction–to–Tab, RthJ–TAB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12°C/W
Thermal Resistance, Junction–to–Ambient (Note 1), RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W
Note 1. Obtained with tabs soldered to printed circuit with minimized copper area.
DC Elecrtrical Characteristics: (TA = +25°C, VS = 35V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Pin2 Quiescent Current
I2
I3 = 0
–
7
14
mA
Pin5 Quiescent Current
I5
I4 = 0
–
8
15
mA
Oscillator Bias Current
–I9
V9 = 1V
–
0.1
1.0
µA
Amplifier Input Bias Current
–I10
V10 = 1V
–
0.1
1.0
µA
Ramp Generator Bias Current
–I12
V12 = 0
–
0.02
0.3
µA
Ramp Generator Current
–I12
I7 = 20µA, V12 = 0
19
20
24
µA
∆I12 = 0V to 12V, I7 = 20µA
–
0.2
1.0
%
10
–
36
V
Ramp Generator Non–Linearity
∆I12/I12
Supply Voltage Range
VS
Pin1 Saturation Voltage to GND
V1
I1 = 1mA
–
1
14
V
Pin3 Saturation Voltage to GND
V3
I3 = 10mA
–
1.7
2.6
V
Quiescent Output Voltage
V4
VS = 10V, R1 = 10kΩ, R2 = 10kΩ
4.17 4.40 4.63
V
VS = 35V, R1 = 30kΩ, R2 = 10kΩ
8.35 8.80 9.25
V
Output Saturation Voltage to GND
Output Saturation Voltage to VS
V4L
V4H
Regulated Voltage at Pin6
V6
Regulated Voltage at Pin7
V7
–I4 = 100mA
–
0.9
1.2
V
–I4 = 800mA
–
1.9
2.3
V
I4 = 100mA
–
1.4
2.1
V
I4 = 800mA
–
2.8
3.2
V
6.1
6.5
6.9
V
6.2
6.6
7.0
V
–
1
–
mV/V
I7 = 20µA
∆VS = 10V to 35V
Regulated Voltage Drift with VS
Amplifier Input Reference Voltage
V10
Pin8 Input Resistance
R8
2.07 2.20 2.30
V8 ≤ 400mV
1
–
–
V
MΩ
AC Elecrtrical Characteristics: (TA = +25°C, VS = 25V, f = 50Hz unless otherwise specified)
Parameter
Symbol
Test Conditions
Iy = 1AP–P
Min
Typ
Max
Unit
–
140
–
mA
500
–
–
µA
–
51
–
V
–
2.4
–
V
Supply Current
IS
Sync. Input Current (Positive or Negative)
I8
Flyback Voltage
V4
Peak–to–Peak Oscillator Sawtooth Voltage
V9
Flyback Time
tfly
Iy = 1AP–P
–
0.7
–
ms
Free Running Time
fo
(P1 + R1) = 300kΩ, C2 = 100nF
–
44
–
Hz
(P1 + R1) = 260kΩ, C2 = 100nF
–
52
–
Hz
I8 = 0.5mA
14
–
–
Hz
VS = 10V to 35V
–
0.005
–
Hz/V
–
0.01
–
Hz/°C
Iy = 1AP–P
Synchronization Range
∆f
Frequency Drift with VS
∆f/∆VS
Frequency Drift with Ttab
∆f/∆Ttab Ttab = +40° to +120°C
Pin Connection Diagram
Ramp Output 1
12 Ramp Generator
Supply Voltage 2
11 Compensation
10 Amp Input
Tab
Tab
Flyback 3
Amp Output 4
9 Oscillator
Amp Voltage 5
8 Sync Input
Regulated Voltage 6
7 Height Adjust
.247 (6.27)
12
7
1
6
.677
(17.2)
.770 (19.5) Max
.260 (6.6)
.233
(5.9)
Max
.100 (2.54)
.700 (17.78)
.099 (2.5) Min