ꢀꢁ ꢂꢃ ꢄꢅ
ꢆ ꢇꢈ ꢁ ꢉꢊ ꢋꢌ ꢍꢉ ꢎ ꢏꢎꢉ ꢈ ꢁꢐ ꢑ ꢒ ꢐꢀꢁꢎꢓ ꢋ ꢉꢐ ꢔ ꢒꢋꢑꢁ ꢋ ꢑꢆ
ꢇꢈ ꢁ ꢊ ꢑ ꢋꢓꢕ ꢀ ꢎꢁꢐ ꢑꢆ
SLVS033F − FEBRUARY 1990 − REVISED NOVEMBER 2004
TYPICAL CHARACTERISTICS
AVERAGE SUPPLY CURRENT
OUTPUT VOLTAGE LOSS
vs
INPUT CAPACITANCE
vs
OUTPUT CURRENT
140
120
100
1.4
1.2
1.0
I
O
= 100 mA
80
60
0.8
0.6
I
I
= 50 mA
= 10 mA
O
O
40
0.4
Inverter Configuration
20
0
0.2
0
C
f
= 100-µF Tantalum
= 25 kHz
OUT
OSC
0
20
40
60
80
100
0
10 20 30 40 50 60 70 80 90 100
Input Capacitance − µF
I
O
− Output Current − mA
Figure 5
Figure 6
OUTPUT VOLTAGE LOSS
vs
OSCILLATOR FREQUENCY
OUTPUT VOLTAGE LOSS
vs
OSCILLATOR FREQUENCY
2.5
2.25
2
2.5
2.25
2
Inverter Configuration
Inverter Configuration
C
C
= 100-µF Tantalum
= 100-µF Tantalum
C
C
= 10-µF Tantalum
= 100-µF Tantalum
IN
OUT
IN
OUT
1.75
1.75
1.5
1.25
1
1.5
1.25
1
I
= 100 mA
O
I
= 100 mA
= 50 mA
= 10 mA
O
I
I
= 50 mA
= 10 mA
O
I
O
O
0.75
0.5
0.75
0.5
O
I
0.25
0
0.25
0
1
10
100
1
10
100
Oscillator Frequency − kHz
Oscillator Frequency − kHz
Figure 7
Figure 8
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
