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), V
Flyback Peak Voltage, V
Power Amplifier Input Voltage, V
Output Peak Current (Non–Repetitive, t = 2msec), I
Output Peak Current, I
S
, V
4
5
10
O
O
(f = 50Hz, t ≤ 10µs) 2.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(f = 50Hz, t > 10µs) 1.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin3 DC Current (V
Pin3 Peak–to–Peak Flyback Current (f = 50Hz, t
Pin8 Current, I
8
Power Dissipation, P
< V2), I
4
tot
3
≤ 1.5msec), I
fly
TA = +80°C 1W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
T
= +90°C 5W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
tab
Operating Junction Temperature Range, T
Storage Temperature Range, T
stg
Thermal Resistance, Junction–to–Tab, R
J
thJ–TAB
Thermal Resistance, Junction–to–Ambient (Note 1), R
+10, –0.5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
thJA
35V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
60V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
100mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.8A. . . . . . . . . . . . . . . . . . . . . . . .
±20mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 I
Pin5 Quiescent Current I
Oscillator Bias Current –I
Amplifier Input Bias Current –I
Ramp Generator Bias Current –I
Ramp Generator Current –I
I3 = 0 – 7 14 mA
2
I4 = 0 – 8 15 mA
5
V9 = 1V – 0.1 1.0 µA
9
V10 = 1V – 0.1 1.0 µA
10
V12 = 0 – 0.02 0.3 µA
12
I7 = 20µA, V12 = 0 19 20 24 µA
12
Ramp Generator Non–Linearity ∆I12/I12∆I12 = 0V to 12V, I7 = 20µA – 0.2 1.0 %
Supply Voltage Range V
Pin1 Saturation Voltage to GND V
Pin3 Saturation Voltage to GND V
Quiescent Output Voltage V
S
I1 = 1mA – 1 14 V
1
I3 = 10mA – 1.7 2.6 V
3
VS = 10V, R1 = 10kΩ, R2 = 10kΩ 4.17 4.40 4.63 V
4
10 – 36 V
VS = 35V, R1 = 30kΩ, R2 = 10kΩ 8.35 8.80 9.25 V
Output Saturation Voltage to GND V
–I4 = 100mA – 0.9 1.2 V
4L
–I4 = 800mA – 1.9 2.3 V
Output Saturation Voltage to V
S
V
I4 = 100mA – 1.4 2.1 V
4H
I4 = 800mA – 2.8 3.2 V
Regulated Voltage at Pin6 V
Regulated Voltage at Pin7 V
Regulated Voltage Drift with V
S
Amplifier Input Reference Voltage V
Pin8 Input Resistance R
6
I7 = 20µA 6.2 6.6 7.0 V
7
∆VS = 10V to 35V – 1 – mV/V
10
V8 ≤ 400mV 1 – – MΩ
8
6.1 6.5 6.9 V
2.07 2.20 2.30 V
AC Elecrtrical Characteristics: (TA = +25°C, VS = 25V, f = 50Hz unless otherwise specified)
Parameter Symbol Test Conditions Min Typ Max Unit
Supply Current I
Sync. Input Current (Positive or Negative) I
Flyback Voltage V
Peak–to–Peak Oscillator Sawtooth Voltage V
Flyback Time t
Free Running Time f
Synchronization Range ∆f I8 = 0.5mA 14 – – Hz
Frequency Drift with V
Frequency Drift with T
S
tab
∆f/∆VSVS = 10V to 35V – 0.005 – Hz/V
∆f/∆T
Iy = 1A
S
8
Iy = 1A
4
9
Iy = 1A
fly
(P1 + R1) = 300kΩ, C2 = 100nF – 44 – Hz
o
P–P
P–P
P–P
– 140 – mA
500 – – µA
– 51 – V
– 2.4 – V
– 0.7 – ms
(P1 + R1) = 260kΩ, C2 = 100nF – 52 – Hz
tabTtab
= +40° to +120°C – 0.01 – Hz/°C