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
Q1Q2
D1
Q3
2
3
Reference
Voltage
Power
Amplifier
7
Thermal
Protection
6
109
YOKE
2170-02.EPS
7
4
D4
Q11
Q17
R12
Q20D9
Q21
R11
Q18
Q22
Q19
R8R9
Q12
D5
R5R4
D8
Q13
Q4
C1
Q7
D3
Q6
Q8
Q9
Q10
D6D7
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
SymbolParameterValueUnit
V
s
V
7,V8
V
5
V2,V
I
o
I
o
I
o
I
5
I
5Pin 5 Peak to Peak Flyback Current at f = 50 Hz, t
P
tot
T
stg,Tj
THERMALDATA
SymbolParameterValueUnit
R
th (j-c)
R
th (j-a)
Supply Voltage (pin 4)35V
Flyback Peak Voltage60V
Voltage at Pin 5+ V
Amplifier Input Voltage+ Vs– 0.5V
3
s
Output Peak Current (non repetitive, t = 2 msec)2.5A
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
The power dissipated in the circuit must be removedby adding an externalheatsink.
Thanks to the MULTIWATT package attaching
the heatsink is verysimple,a screwora compres-
Figure 2 : ApplicationCircuit
110° TVC
9.6 Ω /27mH
90° TVC
15 Ω /30 mH
sion spring (clip) being sufficient. Between the
heatsinkandthepackageitisbettertoinsertalayer
of silicon grease, to optimize the thermal contact ;
no electrical isolation is needed between the two
surfaces.
Unit
C/W
C
C
PP
P
2170-05.TBL
Figure5 : Maximum AllowablePowerDissipationversusAmbientTemperature
Information furnishedis believed to beaccurate andreliable. However, SGS-THOMSON Microelectronics assumes noresponsibility
for the consequences of use ofsuch information norfor anyinfringement ofpatents orother rights of third parties which may result
from itsuse. Nolicence is grantedby implication or otherwise under any patent or patentrights of SGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previously supplied. SGS-THOMSON Microelectronics productsare notauthorized for use ascritical components in life
support devices or systems without express written approval of SGS-THOMSON Microelectronics.
S
S1
L3
L4
H2
G
PMMUL11V.EPS
MUL11V.TBL
1994SGS-THOMSON Microelectronics - All Rights Reserved
Purchase of I2C Components of SGS-THOMSON Microelectronics,conveys a license under the Philips
2
I
C Patent.Rights touse these components in aI2C system, isgranted provided that thesystem conforms to
2
the I
C Standard Specificationsas definedby Philips.
SGS-THOMSON Microelectronics GROUP OFCOMPANIES
Australia - Brazil - China -France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco
The Netherlands - Singapore - Spain -Sweden - Switzerland -Taiwan - Thailand - United Kingdom -U.S.A.
7/7
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