Fairchild DUAL TRACKING VOLTAGE REGULATORS RC4194 - Manual (Page 5)

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