SGS Thomson Microelectronics TDA2170 Datasheet
TV VERTICALDEFLECTION OUTPUT CIRCUIT
The functionsincorporatedare :
.
POWERAMPLIFIER
.
FLYBACKGENERATOR
.
REFERENCE VOLTAGE
.
THERMALPROTECTION
DESCRIPTION
The TDA2170 is a monolithicintegrated circuit in
11-leadMultiwatt package.It is a high efficiency
power boosterfor directdriving ofverticalwindings
of TV yokes. It is intended for use in Colour are B
& Wtelevision receivers aswell asin monitors and
displays.
TDA2170
MULTIWATT 11
(Plastic Package)
ORDER CODE : TDA2170
PINCONNECTIONS
December 1992
Tab connected to Pin 6
11
10
NC
GND
9
8
7
6
5
4
3
2
1
REFERENCEVOLTAGE
OUTPUTSTAGESUPPLY
OUTPUT
GND
FLYBACKGENERATOR
SUPPLYVOLTAGE
NON INVERTINGINPUT
INVERTING INPUT
NC
2170-01.EPS
1/7
TDA2170
BLOCK DIAGRAM
584
Flyback
Generator
+V
S
SCHEMATIC DIAGRAM
3
2
Q1 Q2
D1
Q3
2
3
Reference
Voltage
Power
Amplifier
7
Thermal
Protection
6
109
YOKE
2170-02.EPS
7
4
D4
Q11
Q17
R12
Q20 D9
Q21
R11
Q18
Q22
Q19
R8 R9
Q12
D5
R5R4
D8
Q13
Q4
C1
Q7
D3
Q6
Q8
Q9
Q10
D6 D7
R6
Q14
Q5
Q15
Q16
R2D2R1
R3
R7
8
5
2/7
C2
R12
Q23
Q26
Q24
R14
Z1
R15
R13
Q25
R16
Q27
Q28Z2
R17 R18
Q29
6
10
9
2170-03.EPS
TDA2170
ABSOLUTEMAXIMUM RATINGS
Symbol Parameter Value Unit
V
s
V
7,V8
V
5
V2,V
I
o
I
o
I
o
I
5
I
5 Pin 5 Peak to Peak Flyback Current at f = 50 Hz, t
P
tot
T
stg,Tj
THERMALDATA
Symbol Parameter Value Unit
R
th (j-c)
R
th (j-a)
Supply Voltage (pin 4) 35 V
Flyback Peak Voltage 60 V
Voltage at Pin 5 + V
Amplifier Input Voltage + Vs– 0.5 V
3
s
Output Peak Current (non repetitive, t = 2 msec) 2.5 A
Output Peak Current at f = 50 Hz, t ≤ 10 µsec
Output Peak Current at f = 50 Hz, t > 10 µsec
Pin 5 DC Current at V7<V
Total Power Dissipation at T
4
case
=60°C
≤ 1.5 msec
fly
3A
2A
100 mA
3A
30 W
Storage and Junction Temperature – 40 to 150 °
Thermal Resistance Junction-case Max 3 °
Thermal Resistance Junction–ambient Max 40
C
C/W
°C/W
2170-01.TBL
2170-02.TBL
ELECTRICAL CHARACTERISTICS
(refer to the test circuits, V
Symbol Parameter Test Conditions Min. Typ. Max. Unit Fig.
Pin 4 Quiescent Current I5=0;I7=0;V3= 3 V 8 16 mA 1a
Pin 8 Quiescent Current I5=0;I7=0;V3=3V 16 36 mA 1a
Amplifier Input Bias Current V3= 1 V – 0.1 – 1
Amplifier Input Bias Current V2= 1 V – 0.1 – 1 µ
Reference Voltage I9= 0 2.2 V 1a
9
Reference Voltage Drift vs. Supply Voltage VS= 15 to 30 V 1 2 mV/V 1a
9
S
Pin 5 Saturation Voltage to GND I5=20mA 1 V 1c
Quiescent Output Voltage
7
Output Saturation Voltage to GND I7= 1.2 A 1 1.4 V 1c
Output Saturation Voltage to Supply – I7= 1.2 A 1.6 2.2 V 1b
Reference Voltage Output Resistance 2.1
9
Junction Temperature for Thermal Shut
j
Down
V
∆V
∆V
V
V
V
V
R
I
4
I
8
I
3
I
2
5L
7L
7H
T
=35V, T
S
=25°C unless otherwisespecified)
amb
=35V;Ra=13kΩ 18 V 1d
V
S
=15V;Ra=13kΩ 7.5 V 1d
V
S
= 0.7 A 0.7 1 V 1c
I
7
= 0.7 A 1.3 1.8 V 1b
–I
7
140
µA
A
kΩ
°C
1a
1a
2170-03.TBL
3/7
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