Datasheet

TLC3704, TLC3704M
QUAD MICROPOWER LinCMOS VOLTAGE COMPARATORS
SLCS117C − NOVEMBER 1986 − REVISED NOVEMBER 2009
23
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
+
−
100 kΩ
C1
180 µF
(see Note A)
1/2 TLC3704
100 kΩ
R2
100 kΩ
100 kΩ
100 kΩ
V
I
V
I
−
+
1/2 TLC3704
V
I
+
−
TLC271
(see Note B)
270 kΩ
V
I
100 kΩ
C2
100 pF
100 kΩ
R = 6 Ω
L = 1 mH
(see Note D)
R
L
470 µF
V
O
R1
V
I
+ 6 V to 16 V
I
L
+ 0.01 mA to 0.25 mA
V
O
+ 2.5
(R1 ) R2)
R2
LM385
2.5 V
47 µF
Tantalum
IN5818
V
I
GS
SK9504
(see Note C)
D
+
NOTES: A. Adjust C1 for a change in oscillator frequency
B. TLC271 − Tie pin 8 to pin 7 for low bias operation
C. SK9504 − VDS = 40 V
IDS = 1 A
will
D. To achieve microampere current drive, the inductance of the circuit must be increased.
Figure 28. Micropower Switching Regulator