TDA-8170 PDF даташит
Спецификация TDA-8170 изготовлена «ST Microelectronics» и имеет функцию, называемую «TV VERTICAL DEFLECTION OUTPUT CIRCUIT». |
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Детали детали
Номер произв | TDA-8170 |
Описание | TV VERTICAL DEFLECTION OUTPUT CIRCUIT |
Производители | ST Microelectronics |
логотип |
7 Pages
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TDA8170
TV VERTICAL DEFLECTION OUTPUT CIRCUIT
....The functions incorporated are :
POWER AMPLIFIER
FLYBACK GENERATOR
REFERENCE VOLTAGE
THERMAL PROTECTION
DESCRIPTION
The TDA8170 is a monolithic integrated circuit in
HEPTAWATTTM package. It is a high efficiency
power booster for direct driving of vertical windings
of TV yokes. It is intended for use in Colour and B
& W television receivers as well as in monitors and
displays.
PIN CONNECTIONS
7
6
5
4
3
2
1
Tab connected to Pin 4
HEPTAWATT
(Plastic Package)
ORDER CODE : TDA8170
REFERENCE VOLTAGE AND NON-INVERTING INPUT
OUTPUT STAGE SUPPLY
OUTPUT
GROUND
FLYBACK GENERATOR
SUPPLY VOLTAGE
INVERTING INPUT
BLOCK DIAGRAM
+ VS
26
RE FERENCE
VOLTAGE
3
FLYBACK
GENE R ATOR
1
7
TDA8170
PO WER
AMPLIFIER
4
5
THERMAL
P ROTECTION
December 1997
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TDA8170
SCHEMATIC DIAGRAM
C1
7
Q7
1 Q1 Q2
Q6
Q4 Q8
D1
Q5
Q3
R1 D2
R2
R3
5
2
D4
Q11
Q10 Q12
D3 R4 D5 R5
D8
D6 D7
Q9
Q13
R6
Q14
Q15
Q17
Q16
R7
R8
R10
Q18
R9
6
Q20 D9
Q21
3
R11
Q22
Q19
Q23 R12
Q24
Z1
Q25
Z2
R13
R15 R16
4
R19
C2
Q26
R14
Q27
Q28
Q29
R17 R18
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TDA8170
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
V5, V6
V3
V1, V7
Io
Io
Io
I3
I3
Ptot
Tstg, Tj
Parameter
Supply Voltage (pin 2)
Flyback Peak Voltage
Voltage at Pin 3
Amplifier Input Voltage
Output Peak Current (non repetitive, t = 2 msec)
Output Peak Current at f = 50 or 60 Hz, t ≤ 10 µsec
Output Peak Current at f = 50 or 60 Hz, t > 10 µsec
Pin 3 DC Current at V5 < V2
Pin 3 Peak to Peak Flyback Current at f= 50 or 60 Hz, tfly ≤1.5msec
Total Power Dissipation at Tcase = 90 °C
Storage and Junction Temperature
Value
35
60
+ Vs
+ Vs, – 0.5
2.5
3
2
100
3
20
– 40, +150
Unit
V
V
V
A
A
A
mA
A
W
°C
THERMAL DATA
Symbol
Parameter
Rth j–case Thermal Resistance Junction-case
Max.
Value
3
Unit
°C/W
ELECTRICAL CHARACTERISTICS
(refer to the test circuits, VS = 35V, Tamb = 25oC unless otherwise specified)
Symbol
I2
I6
I1
V7
∆V7
∆VS
V3L
V5
V5L
V5H
Tj
Parameter
Pin 2 Quiescent Current
Pin 6 Quiescent Current
Amplifier Input Bias Current
Reference Voltage
Reference Voltage Drift versus Supply Voltage
Pin 3 Saturation Voltage to GND
Quiescent Output Voltage
Output Saturation Voltage to GND
Output Saturation Voltage to Supply
Junction Temperature for Thermal Shut Down
Test Conditions
I3 = 0, I5 = 0
I3 = 0, I5 = 0
V1 = 1 V
Vs = 15 to 30 V
I3 = 20 mA
Vs = 35 V , Ra = 39 kΩ
Vs = 15 V , Ra = 13 kΩ
I5 = 1.2 A
I5 = 0.7 A
– I5 = 1.2 A
– I5 = 0.7 A
Min. Typ. Max. Unit Fig.
8 16 mA 1a
16 36 mA 1a
– 0.1 – 1 µA 1a
2.2 V 1a
1 2 mV/V 1a
1 V 1c
18 V 1d
7.5 V 1d
1 1.4 V 1c
0.7 1 V 1c
1.6 2.2 V 1b
1.3 1.8 V 1b
140 °C
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TDA-8170 | TV VERTICAL DEFLECTION OUTPUT CIRCUIT | ST Microelectronics |
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