ICL7660S Datasheet, PDF (4/9 Pages) Intersil Corporation – Super Voltage Converter

ICL7660S
Typical Performance Curves (Test Circuit Figure 12) (Continued)
10
V+ = 5V
9
T_A = 25^oC
8
7
6
5
4
3
2
1
0
1
10
100
1k
C_OSC (pF)
FIGURE 5. FREQUENCY OF OSCILLATION AS A FUNCTION
OF EXTERNAL OSCILLATOR CAPACITANCE
20
18
16
14
V+ = 10V
12
10
V+ = 5V
8
-55 -25
0
25
50
75 100
125
TEMPERATURE (^oC)
FIGURE 6. UNLOADED OSCILLATOR FREQUENCY AS A
FUNCTION OF TEMPERATURE
1
V+ = 5V
0
T_A = 25^oC
-1
-2
-3
-4
-5
0
10
20
30
40
LOAD CURRENT (mA)
FIGURE 7. OUTPUT VOLTAGE AS A FUNCTION
OF OUTPUT CURRENT
100
100
90
90
80
80
70
70
60
60
50
50
40
40
30
30
20
V+ = 5V
20
10
T_A = 25^oC
10
0
0
10
20
30
40
0
50
60
LOAD CURRENT (mA)
FIGURE 8. SUPPLY CURRENT AND POWER CONVERSION
EFFICIENCY AS A FUNCTION OF LOAD
CURRENT
2
V+ = 2V
T_A = 25^oC
1
0
-1
-2
0
1
2
34
5
6
7
8
9
LOAD CURRENT (mA)
FIGURE 9. OUTPUT VOLTAGE AS A FUNCTION OF OUTPUT
CURRENT
100
90
80
16
70
14
60
12
50
10
40
8
30
6
V+ = 2V
20
T_A = 25^oC
4
10
2
0
0 1.5
3 4.5
6
7.5
LOAD CURRENT (mA)
0
9
FIGURE 10. SUPPLY CURRENT AND POWER CONVERSION
EFFICIENCY AS A FUNCTION OF LOAD CURRENT
3-39