CA3094, CA3094A, CA3094B
Typical Applications (Continued)
NOTE 23
2
3
1
CA3085A
VOLTAGE REG.
V+ INPUT
(NOTE 21)
5.6Ω
+15V REG.
OUTPUT
8
6
7
4
R
5kΩ
REF.
1.6V
0.01µF
10kΩ
NOTES:
21. V+ Input Range = 19V to 30V for 15V output.
22. V- Input Range = -16V to -30V for -15V output.
23. Max I = ±100mA.
0.0056µF
1.5kΩ
COMMON
RETURN
OUT
24. Regulation:
200kΩ
∆V
OUT
-----------------------------------------------------------
Max Line =
× 100 = 0.075% ⁄ V
100Ω
[V
(Initial)]∆V
OUT
IN
1
5
0.03µF
7
8
5.1kΩ
∆V
+
OUT
(Initial)
2
3
---------------------------------------
Max Load =
× 100 = 0.075% V
OUT
V
OUT
CA3094A
(I from 1mA to 50mA)
L
-
6
-15V REG.
OUTPUT
4
10kΩ
±1%
V- INPUT
(NOTE 22)
10kΩ
±1%
FIGURE 20. DUAL VOLTAGE TRACKING REGULATOR
CIRCUIT TRIPS ON POSITIVE
PEAKS WILL SWITCH WITHIN
1.5 CYCLES
36V
1mA
I
LOAD
VOLTAGE BETWEEN
TERMINALS 2 AND 4
3
33kΩ
VOLTAGE BETWEEN
TERMINALS 3 AND 4
(ADJUSTABLE WITH
+3V
I
I
A
20µA
ABC
10µA
R
)
R
TRIP
TRIP
200
Ω
200mV
RANGE
GROUND FAULT
SIGNAL 60Hz
60mV
TYPICAL
3.3MΩ
100Ω
3.3
kΩ
5
t
R
7
47kΩ
47kΩ
NOTES:
3
-
(NOTE 27)
25. Differential current sensor provides 60mV signal ≈ 5mA of
8
100kΩ
CA3094B
L
C
CIRCUIT
unbalance (Trip) current.
0.02µF
2
+
BREAKER
CONTROL
SOLENOID
26. All Resistors are 1/2 Watt, ±10%.
6
27. RC selected for 3dB point at 200Hz.
C
0.1µF
(NOTE 28)
2
4
28. C = AC bypass.
2
29. Offset adj. included in R
.
TRIP
30. Input impedance from 2 to 3 = 800kΩ.
31. With no input signal Terminal 8 (output) at 36V.
1kΩ
0.001µF
FIGURE 21. GROUND FAULT INTERRUPTER (GFI) AND WAVEFORMS PERTINENT TO GROUND FAULT DETECTOR
3-21
INTERSIL [ Intersil ]
