![](/html/67/673b/673bbd326b816c58f4be2c6705fb72e432c09214df278ed08700b3e6f39eb58b/bg1.png)
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
![](/html/67/673b/673bbd326b816c58f4be2c6705fb72e432c09214df278ed08700b3e6f39eb58b/bg3.png)
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