tca785_ph_ctrl
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80
V
V
V
Inhibit voltage
Control voltage
Voltage short-pulse circuit
V6
V11
V13
– 0.5
– 0.5
– 0.5
VS
VS
VS
µA
Synchronization input current
V5
– 200
± 200
V
Output voltage at pin 14, 15
VQ
VS
mA
Output current at pin 2, 3, 4, 7
IQ
10
V
Output voltage at pin 2, 3, 4, 7
VQ
VS
˚C
˚C
Junction temperature
Storage temperature
Tj
Tstg
– 55
150
125
Operating Range
V
Supply voltage
VS
8
18
Hz
Operating frequency
f
10
500
˚C
Ambient temperature
TA
– 25
85
Characteristics8
≤ VS ≤ 18 V; – 25 ˚C ≤ TA ≤ 85 ˚C; f = 50 Hz
Unit
Parameter
Symbol
min.
max.
Limit Values
Test
Circuit
typ.
mA
Supply current consumption
S1 … S6 open
V11 = 0 V
C 10 = 47 nF; R 9 = 100 k
Ω
IS
4.5
1
6.5
10
µA
mV
Synchronization pin 5
Input current
R 2 varied
Offset voltage
I5 rms
∆V5
30
1
4
30
200
75
V
k
Ω
Control input pin 11
Control voltage range
Input resistance
V11
R11
0.2
1
5
15
V10 peak
Semiconductor Group
5
TCA 785
Characteristics (cont’d)
8
≤ VS ≤ 18 V; – 25 ˚C ≤ TA ≤ 85 ˚C; f = 50 Hz
Unit
Parameter
Symbol
min.
max.
Limit Values
Test
Circuit
typ.
µA
V
mV
k
Ω
µs
Ramp generator
Charge current
Max. ramp voltage
Saturation voltage at capacitor
Ramp resistance
Sawtooth return time
I10
V10
V10
R9
tf
10
100
3
1
1.6
1
1
225
80
1000
V2 – 2
350
300
V
V
µs
µA
µA
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
V6 L
V6 H
tr
I6 H
– I6 L
4
1
80
1
1
1
1
1
3.3
3.3
500
150
2.5
5
800
200
V
V
µA
µA
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
V13 H
V13 L
I13 H
– I13 L
3.5
45
1
1
1
1
2.5
2.5
65
2
10
100
%
%
%
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.
I10
I10
∆V10 max
– 5
– 20
1
1
± 1
5
20
µA
V
Outputs pin 2, 3, 4, 7
Reverse current
VQ = VS
Saturation voltage
IQ = 2 mA
ICEO
Vsat
0.1
2.6
2.6
0.4
10
2
Semiconductor Group
6
TCA 785
Characteristics (cont’d)
8
≤ VS ≤ 18 V; – 25 ˚C ≤ TA ≤ 85 ˚C; f = 50 Hz
Unit
Parameter
Symbol
min.
max.
Limit Values
Test
Circuit
typ.
V
V
µs
µs/
nF
Outputs pin 14, 15
H-output voltage
– I Q = 250 mA
L-output voltage
IQ = 2 mA
Pulse width (short pulse)
S9 open
Pulse width (short pulse)
with C12
V14/15 H
V14/15 L
tp
tp
VS – 3
0.3
20
530
3.6
2.6
1
1
VS – 2.5
0.8
30
620
VS – 1.0
2
40
760
V
1/K
Internal voltage control
Reference voltage
Parallel connection of
10 ICs possible
TC of reference voltage
VREF
αREF
2.8
1
1
3.1
2
× 10 – 4
3.4
5
× 10 – 4