RC4194
PRODUCT SPECIFICATION
5
Typical Applications
Figure 4. Unbalanced Output Voltage — Comparator Application
Figure 5. High Output Application
0.01
µ
F
S
-V
S
+V
S
+V
-V
S
71.5K
0.01
µ
F
R
SET
Comp-
Gnd
RM4194
Comp+
R
-V
Bal
+V
OUT
OUT
0
0
R
A
R
B
R
4.7
µ
F
4805
4.7
µ
F**
+V
OUT
To Additional
Comparators
(Typically 15 RC4805s)
-V = -5V
To Additional
Comparators
R (k
½
) = 2.5 (-V )
Adjust R for -V = -5V (12.5 k )
R = R = 20 k
½
(See Schematic)
+ V = -V
R = when +V -V
R = when +V -V
For +V = 5 when -V = -5V
R =
R =
W
OUT
OUT
O
O
F1
F2
OUT
OUT
A
OUT
OUT
B
OUT
OUT
OUT
OUT
A
B
OUT
R R
R R
F1
A
F2
B
65-0205
65-0206
S
+V
-V
S
0.1 F
m
+V
-V
GND
Comp+
-V
+V
R
Comp-
R
R
60
µ
F
-V
60
µ
F**
2N2297 or equiv.
R *
0.1 F
4194
71.5K
2N914 or equiv.
2N2297 or equiv.
R *
47
47
2N4905 or equiv.
*R =
**Optional usage - Not as critical as -V bypass capacitors.
Note: Compensation and bypass capacitor connections should be close as posibe to the 4194
0.7
I
SC
SC
O
SC
S
S
SET
OUT
OUT
SC
0
OUT
W
+V
OUT
0
m
W
Load regulation
10 mV @ 2.5A
R (k ) = 2.5 V
O
W
O
