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TCA785 Datasheet, PDF (5/16 Pages) Siemens Semiconductor Group – Phase Control IC
TCA 785
Characteristics (cont’d)
8 ≤ VS ≤ 18 V; – 25 ˚C ≤ TA ≤ 85 ˚C; f = 50 Hz
Parameter
Ramp generator
Charge current
Max. ramp voltage
Saturation voltage at capacitor
Ramp resistance
Sawtooth return time
Inhibit pin 6
switch-over of pin 7
Outputs disabled
Outputs enabled
Signal transition time
Input current
V6 = 8 V
Input current
V6 = 1.7 V
Deviation of I10
R 9 = const.
VS = 12 V; C10 = 47 nF
Deviation of I10
R 9 = const.
VS = 8 V to 18 V
Deviation of the ramp voltage
between 2 following
half-waves, VS = const.
Long pulse switch-over
pin 13
switch-over of S8
Short pulse at output
Long pulse at output
Input current
V13 = 8 V
Input current
V13 = 1.7 V
Outputs pin 2, 3, 4, 7
Reverse current
VQ = VS
Saturation voltage
IQ = 2 mA
Symbol
min.
I10
10
V10
V10
100
R9
3
tf
V6 L
V6 H
4
tr
1
I6 H
– I6 L 80
I10
–5
I10
– 20
∆V10 max
V13 H
3.5
V13 L
I13 H
– I13 L 45
ICEO
Vsat
0.1
Limit Values
typ.
max.
1000
V2 – 2
225
350
300
80
3.3
2.5
3.3
5
500
800
150
200
5
20
±1
2.5
2.5
2
10
65
100
10
0.4
2
Unit Test
Circuit
µA
V1
mV 1.6
kΩ 1
µs 1
V1
V1
µs 1
µA 1
µA 1
%1
%1
%
V1
V1
µA 1
µA 1
µA 2.6
V 2.6
Semiconductor Group
5