OM5428P ETC1 [List of Unclassifed Manufacturers], OM5428P Datasheet - Page 9
![no-image](/images/no-image-200.jpg)
OM5428P
Manufacturer Part Number
OM5428P
Description
General purpose triggering circuit
Manufacturer
ETC1 [List of Unclassifed Manufacturers]
Datasheet
1.OM5428P.pdf
(16 pages)
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Fig.3 Typical application of the OM5428 as a static switch for resistive loads. The arrangement gives triggering around the zero crossings of the
mains voltage. The values shown for Rs, Rg, Rz and C1 give a gate current I
Active
Neutral
C1
220 F
16V
230
Vac
R2
500K
R3
500K
Vcontrol = 0-10V
R1
1M
Rz
500K
VR25
DIFFEN
XOUT
SDIS
QC+
QC-
PW
IC+
IC-
t
w
= 100 s typical.
1
2
3
4
5
6
7
8
OM5428
GT
= 50 mA typical at V
16
15
14
13
12
11
10
9
VEE
XDIS
FLY
SAW
RMNS
VCC
TRIG
AMPIN
Rs
100K
VR37
GT
= 1.5 V and a trigger pulse duration
LOAD
T1
Triac
Rg
250
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