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TEA1124 View Datasheet(PDF) - Temic Semiconductors

Part Name
Description
View to exact match
TEA1124
Temic
Temic Semiconductors Temic
TEA1124 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
TEA1024/ TEA1124
Zero Voltage Switch with Fixed Ramp
Description
The monolithic integrated bipolar circuit, TEA1024/
TEA1124 is a zero voltage switch for triac control in
domestic equipments. It offers not only the control of a
triac in zero crossing mode but also the possibility of
power control. This is why the IC contains a mains
synchronized ramp generator with 640 ms (1280 ms)
duration (50 Hz). It is suitable for a typical load of 750 W
(1000 W) meeting the Flicker Standard. (values in
brackets relate to TEA1124.)
Features
D Direct supply from the mains
D Definite IC switching characteristics
D Very few external components
D Full wave drive – no dc component in the load circuit
D Current consumption 1.5 mA
D Output short circuit protected
D Simple power control
D Integrated ramp generator
D Reference voltage variable by external resistance
D Pulse position optimization
Package: DIP8
Block Diagram
95 10871
D1 1N4007
L
390 kW
R2
(Rsync)
W R1 22 k /
2W
Load
1000 W
7
1
56 kW
Ramp generator
TEA 1024 – 640 ms
TEA 1124 – 1280 ms
Sync. logic
min.
100 kW
max.
Protection
2
43 kW
Comparator
+
3
8
NC
NC
4
Supply
C1
6
100 mF
16 V
VM=
230 V ~
TIC
236N MT2
5
RG
MT1
Pulse
amplifier
68 W
N
Figure 1. Typical block diagram – open loop power control
TELEFUNKEN Semiconductors
1 (8)
Rev. A1, 24-May-96
 

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