NTE1862 PDF даташит
Спецификация NTE1862 изготовлена «NTE» и имеет функцию, называемую «Integrated Circuit TV Vertrical Deflection Circuit». |
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Детали детали
Номер произв | NTE1862 |
Описание | Integrated Circuit TV Vertrical Deflection Circuit |
Производители | NTE |
логотип |
3 Pages
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NTE1862
Integrated Circuit
TV Vertrical Deflection Circuit
Description:
The NTE1862 is a monolithic, full performance, very efficient vertical deflection circuit in a 15−Lead
SIP type package intended for direct drive of the yoke of 110° color TV picture tubes. This device
offers a wide range of applications such as portable CTVs, BW TVs, monitors, and displays.
Features:
D Synchronization Circuit
D Precision Oscillator and Ramp Generator
D Power Output Amplifier with High Current Capability
D Flyback Generator
D Voltage Regulator
D Precision Blanking Pulse Generator
D Thermal Shutdown Protection
D CRT Screen Protection Circuit which Blanks the Beam Current in the Event of Loss of Vertical
Deflection Circuit
Absolute Maximum Ratings:
Supply Voltage (Pin14), VS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35V
Flyback Peak Voltage, V1, V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60V
Sync. Input Voltage, V5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Power Amplifier Input Voltage, V11, V12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS −10V
Voltage at Pin13, V13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VS
Non−Repetitive Output Current (t = 2ms), IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A
OutputfP=e5a0kHCzu,rtre>n1t,0IµOs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
f = 50Hz, t ≤ 10µs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5A
Pin15 Peak to Peak Flyback Current (f = 50Hz, tfly ≤ 1.5ms), I15 . . . . . . . . . . . . . . . . . . . . . . . . . . . 3A
Pin15 DC Current (V1 < V14), I15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Maximum Power Dissipation (TC ≤ +60°C), Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30W
Junction Temperature Range, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +150°C
Maximum Thermal Resistance, Junction to Case, RΘJC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +3°C/W
Maximum Thermal Resistance, Junction to Ambient, RΘJA . . . . . . . . . . . . . . . . . . . . . . . . . . +40°C/W
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DC Electrical Characteristics: (VS = 35V, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Pin2 Quiescent Current
Ramp Generator Bias Current
Ramp Generator Current
Ramp Generator Non Linearity
Pin14 Quiescent Current
Quiescent Output Voltage
Output Saturation Voltage to GND
Output Saturation Voltage to Supply
Oscillator Virtual Ground
Regulated Voltage at Pin7
Regulated Voltage Drift with
Supply Voltage
I2
−I9
−I9
|
∆I9
I9
|
I14
V1
V1L
V1H
V4
V7
∆∆VVS7
I1 = 0
V9 = 0
V9 = 0, −I7 = 20µA
∆V9 = 0 to 15V, −I7 = 20µA
VS = 35V, Ra = 2.2kΩ, Rb = 1kΩ
VS = 15V, Ra = 390Ω, Rb = 1kΩ
I1 = 1.2A
−I1 = 1.2A
−I7 = 20µA
∆VS = 15 to 35V
−
−
18.5
−
−
16.8
7.0
−
−
−
6.3
−
18
0.02
20.0
0.2
25
17.8
7.5
1.0
1.6
0.45
6.6
1
30
1.0
21.5
1.0
50
18.6
8.0
1.4
2.2
−
7.1
−
mA
µA
µA
%
mA
V
V
V
V
V
V
mV
V
Amplifier Input (+) Reference Voltage V11
Blanking Output Saturation Voltage
V13 I13 = 10mA
Pin15 Saturation Voltage to GND
V15 I15 = 20mA
4.2 4.4 4.6
− 0.35 −
− 1.0 1.3
V
V
V
AC Electrical Characteristics: (VS = 24V, f = 50Hz, TA = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Current
Sync Input Current Required to Sync
Flyback Voltage
Peak to Peak Oscillator Sawtooth
Voltage
Start Scan Level of the Input Ramp
Flyback Time
Blanking Pulse Duration
Free Running Frequency
Synchronization Range
Junction Temperature for Thermal
Shutdown
IS
I5
v1
v3
V10thL
tfly
tblank
fo
∆f
Tj
Iy = 2App
Iy = 2App
I5 = 0
I5 = 100µA
Iy = 2App
fo = 50Hz
Tj = +75°C
fo = 60Hz
Ro = 7.5kΩ
Ro = 6.2kΩ
Co = 330nF,
Tj = +75°C,
I5 = 100µA, Tj = +75°C
− 295
100 −
− 50
− 3.6
− 3.4
− 1.85
− 0.6
− 1.4
− 1.17
− 43.5
− 52.5
− 16
− 145
−
−
−
−
−
−
−
−
−
−
−
−
−
mA
µA
V
V
V
V
ms
ms
ms
Hz
Hz
Hz
°C
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Pin Connection Diagram
(Front View)
15 Flyback
14 Supply
13 Blanking Output
12 Amplifier Input (−)
11 Amplifier Input (+)
10 Ramp Output
9 Ramp Generator
8 GND
7 Height Adjustment
6 Oscillator
5 Sync Input
4 Oscillator
3 Oscillator
2 Amplifier Supply
1 Amplifier Output
.791 (20.1)
.196 (4.99)
.069 (1.75)
.150 (3.81) Dia
Max
1
.689
(17.5)
.860
(21.8)
15
.110
(2.79)
.699
(17.7)
.050 (1.27) .008 (.203)
.200
(5.08)
.169
(4.29)
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