NTE NTE1804

NTE1804
Integrated Circuit
Vertical Deflection Circuit
for Large Screen TV
Description:
The NTE1804 is an integrated circuit in a 13–Lead SIP type package designed for vertical deflection
in video monitors and large screen color television receivers, e.g. 30AX and PIL–S4 systems.
Features:
D Oscillator; Switch Capability for 50Hz/60Hz Operation
D Synchronization Circuit
D Blanking Pulse Generator with Guard Circuit
D Sawtooth Generator with Buffer Stage
D Preamplifier with Fed–Out Inputs
D Output Stage with Thermal and Short–Circuit Protection
D Flyback Generator
D Voltage Stabilizer
Absolute Maximum Ratings:
Supply Voltage (V9), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Supply Voltage Output Stage (Pin5), V5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58V
Voltages
Pin3, V3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Pin13, V13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Pin4 & Pin10, V4, V10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V
Pin6, V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58V
Pin6, –V6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0V
Pin7 & Pin11, V7, V11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Currents
Pin1, I1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0mA
Pin1, –I1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1mA
Pin2, ±I2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Pin3, IP3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0mA
Pin3, –I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA
Pin7, I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2A
Pin7, –I7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A
Pin11, I11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
Pin11, –I11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1mA
Pin12, I12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3mA
Pin12, –I12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0mA
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +85°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +150°C
Note 1. Pin5, Pin6, and Pin8: internally limited by the short–circuit protection circuit.
Note 2. Total power dissipation: internally limited by the thermal protection circuit.
DC Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter
Symbol
Supply Voltage
VCC
Output Voltage
V6
Test Conditions
Min
Typ
Max
Unit
9
–
30
V
–I6 = 1.1A
V5–2.2
V5–1.9
–
V
I6 = 1.1A
–
1.3
1.6
V
–I6 = 1.1A
–
VCC–2.2
–
V
Flyback Generator Output Voltage
V7
Peak Output Current
±I6
–
–
1.2
A
Flyback Generator Peak Current
±I7
–
–
1.2
A
–I4, –I10
–
0.1
–
µA
V2
1
–
12
V
–
28
–
%
Feedback
Input Quiescent Current
Synchronization
Sync Input Pulse
Tracking Range
Oscillator/Sawtooth Generator
Oscillator Frequency Control Input Range
V1
6
–
9
V
Sawtooth Generator Output Voltage
V3
0
–
VCC–1
V
V11
0
–
VCC–2
V
–I3
0
–
4
mA
I11
–2
–
–
µA
–
–
+30
mA
–
104
–
°C
–
V–1
Sawtooth Generator Output Current
Oscillator Temperature Dependency
Oscillator Voltage Dependency
(∆f/f)/∆TC
TC = +20° to +100°C
(∆f/f)/∆VS VS = 10V to 30V
–
4x
104
Blanking Pulse Generator
Output Voltage
V2
Output Current
VS = 24V, I2 = 1mA
–
18.5
–
V
–I2
–
–
3
mA
Output Resistance
R2
–
410
–
Ω
Blanking Pulse Duration
tB
–
1.4±0.07
–
ms
At 50Hz Sync
50Hz/60Hz Switch Capability
Saturation Voltage, LOW Voltage Level
V12
–
1
–
V
Output Leakage Current
I12
–
1
–
µA
Pin Connection Diagram
(Front View)
13 OSC Capacitor
12 50Hz/60Hz Switching Voltage
11 Sawtooth Capacitor
10 Reference Voltage
.961 (24.4)
VCC
8
GND
7
Flyback Generator Output
6
Output
5
Output Stage Supply Input
4
Preamp Input
3
Sawtooth Generator Output
2
Sync Input/Blanking Output
1
OSC Adjust
.185 (4.7)
.128
(3.28)
1
9
.488
(12.4)
.669
(17.0)
13
.630
(16.0)
.067 (1.7)
.200 (5.08)
.170 (4.32)