Supply Voltage at Pin 235V
Flyback Peak Voltage60V
Power Amplifier Input Voltage+ 10
– 0.5
Output Peak Current (non repetitive) at t = 2msec2A
Output Peak Current at f = 50Hz t ≤ 10µsec2.5A
Output Prak Current at f = 50Hz t > 10µsec1.5A
Pin 3 DC Current at V6<V
2
Pin 3 Peak to Peak Flyback Current for f = 50Hz, t
≤ 1.5msec1.8A
fly
100mA
Pin 10 Current± 20mA
Power Dissipation : at T
at T
=90°C
tab
=70°C (free air)
amb
4.3
1
Storage and JunctionTemperature– 40 to 150°C
YOKE
1170D-02.EPS
V
V
W
W
1170D-01.TBL
THERMALDATA
SymbolParameterValueUnit
R
th j–case
R
th j–amb
* Obtained with pins 4, 5,12, 13 soldered to printed circuit with minimized copper area.
Figure4 : P.C.Board and ComponentsLayout of the Circuit of Fig. 3 (1 : 1 scale)
YOKE
Ry =2.9Ω
Ly =6mH
C12
R12
1Ω
1170D-08.EPS
6/8
1170D-09.TIF
Page 7
TDA1170D
MOUNTINGINSTRUCTION
The R
th j-amb
of the TDA1170Dcanbe reduced by
soldering the GND pins to a suitable copper area
of theprintedcircuitboard (fig.5) or to anexternal
heatsink(fig.6).
The diagram of figure7showsthemaximum dissipable power P
and the R
tot
th j-amb
as a function of
Figure 5 :Exampleof P.C. Board Copper Area
which is Used as Heatsink
the side ”l” oftwoequalsquarecopperareashaving
a thicknessof 35 µ (1.4 mils).
During soldering the pins temperature must not
exceed260 °Cand the solderingtime must not be
longer than 12 seconds.
Theexternalheatsinkorprintedcircuit copperarea
must be connectedto electricalground.
Figure6 : ExternalHeatsinkMounting Example
Figure 7 :MaximumDissipable Power and
Junction-AmbientThermal
ResistanceversusSide ”l”
1170D-10.EPS
Figure8 :Maximum Allowable Power
Dissipationversus Ambient
Temperature
1170D-12.EPS
1170D-11.EPS
1170D-13.EPS
7/8
Page 8
TDA1170D
PACKAGE MECHANICAL DATA
16 PINS - PLASTIC PACKAGE
I
L
b1
E
Dimensions
a1
Z
b
16
18
Be
e3
D
9
F
MillimetersInches
Min.Typ.Max.Min.Typ.Max.
a10.510.020
B0.771.650.0300.065
b0.50.020
b10.250.010
D200.787
E8.50.335
e2.540.100
e317.780.700
F7.10.280
i5.10.201
L3.30.130
Z1.270.050
PM-DIP16.EPS
DIP16.TBL
Information furnished is believed to be accurateand reliable.However, SGS-THOMSON Microelectronicsassumes no responsibility
for the consequencesof use ofsuch information norfor any infringement of patents orother rights ofthird parties whichmay result
from itsuse. Nolicence is granted byimplication orotherwise underany patent or patent rights ofSGS-THOMSON Microelectronics.
Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all
information previouslysupplied. SGS-THOMSON Microelectronics products arenot authorized for use as critical components inlife
support devices or systemswithout express written approval of SGS-THOMSON Microelectronics.
1994 SGS-THOMSON Microelectronics - All RightsReserved
Purchase of I
2
I
C Patent. Rights to use these components in a I2C system, is granted provided that the systemconformsto
Australia - Brazil - China- France - Germany - Hong Kong - Italy- Japan - Korea - Malaysia -Malta - Morocco