ICL7660A INTERSIL [Intersil Corporation], ICL7660A Datasheet - Page 4

• Manufacturer Part Number: ICL7660A
• Description: CMOS Voltage Converters
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Performance Curves
FIGURE 3. OUTPUT SOURCE RESISTANCE AS A FUNCTION
FIGURE 5. FREQUENCY OF OSCILLATION AS A FUNCTION
FIGURE 7. OUTPUT VOLTAGE AS A FUNCTION OF OUTPUT
10K
100
-1
-2
-3
-4
-5
350
300
250
200
150
100
1K
10
5
4
3
2
1
0
50
1.0
0
0
-55
V+ = 5V
T
T
V+ = +5V
A
A
= 25
= 25
10
OF TEMPERATURE
OF EXTERNAL OSC. CAPACITANCE
CURRENT
-25
o
o
C
C
SLOPE 55
10
20
0
LOAD CURRENT I
TEMPERATURE (
30
3-29
I
25
C
OUT
OSC
100
40
= 1mA
(pF)
50
L
o
50
V+ = 5V
(mA)
C)
75
(Test Circuit of Figure 11) (Continued)
1000
V+ = +2V
60
100
ICL7660, ICL7660A
70
10K
125
80
FIGURE 4. POWER CONVERSION EFFICIENCY AS A
FIGURE 6. UNLOADED OSCILLATOR FREQUENCY AS A
FIGURE 8. SUPPLY CURRENT AND POWER CONVERSION
100
100
90
80
70
60
50
40
30
20
10
98
96
94
92
90
88
86
84
82
80
20
18
16
14
12
10
0
8
6
100
-50
0
V+ = +5V
T
V+ = +5V
A
= 25
P
FUNCTION OF OSC. FREQUENCY
-25
FUNCTION OF TEMPERATURE
EFFICIENCY AS A FUNCTION OF LOAD
CURRENT
EFF
10
I
o
OUT
C
= 1mA
LOAD CURRENT I
OSC. FREQUENCY f
20
0
TEMPERATURE (
I
OUT
25
30
1K
= 15mA
L
50
40
(mA)
OSC
o
C)
T
V
(Hz)
A
+
75
50
= 25
= +5V
o
I
C
+
100
60
100
90
80
70
60
50
40
30
20
10
0
10K
125