ꢀ
ꢁ
ꢂ
ꢃ
ꢄ
ꢅ
ꢆ
ꢆ
ꢆꢇ ꢈ ꢁꢉ ꢊꢋꢌꢍꢉ ꢎꢏꢎꢉꢈ ꢁꢐ ꢑ ꢒꢐ ꢀꢁꢎꢓ ꢋ ꢉꢐ ꢔ ꢒꢋ ꢑꢁ ꢋꢑ
ꢇ ꢈꢁ ꢊ ꢑꢋꢓ ꢕ ꢀꢎꢁꢐ ꢑ
SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004
APPLICATION INFORMATION
1
2
8
7
6
5
V
FB/SD
CAP+
GND
V
CC
IN
+
2 µF
OSC
LT1054
3
4
+
V
REF
10 µF
−V
OUT
CAP−
V
OUT
100 µF
+
Pin numbers shown are for the P package.
Figure 19. Basic Voltage Inverter
1
8
7
V
IN
FB/SD
CAP+
GND
V
CC
+
2 µF
2
OSC
R1
20 kΩ
LT1054
6
5
3
4
+
V
REF
10 µF
R2
CAP−
V
OUT
V
OUT
0.002 µF
+
+
100 µF
ŤV
Ť
Ť
Ť
VOUT
OUT
ǒ Ǔ
R2 + R1
) 1 + 20 kW
) 1
ǒ Ǔ
V
1.21 V
REF * 40 mV
2
Pin numbers shown are for the P package.
Figure 20. Basic Voltage Inverter/Regulator
15
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265