ICL7660EPA Ver la hoja de datos (PDF) - Maxim Integrated
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ICL7660EPA Datasheet PDF : 14 Pages
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MAX1044/ICL7660
Switched-Capacitor Voltage Converters
Typical Operating Characteristics
(V+ = 5V; CBYPASS = 0.1μF; C1 = C2 = 10μF; LV = open; OSC = open; TA = +25°C; unless otherwise noted.)
OUTPUT VOLTAGE AND OUTPUT RIPPLE
vs. LOAD CURRENT
-2.0
400
OUTPUT
VOLTAGE
350
-1.5
A: MAX1044 WITH
BOOST = V+
B: ICL7660
-1.0 C: MAX1044 WITH
BOOST = OPEN
C
-0.5
B
A
0
012345
300
250
200
150
V+ = 2V
LV = GND 100
50
OUTPUT RIPPLE 0
6 7 8 9 10
LOAD CURRENT (mA)
OUTPUT VOLTAGE AND OUTPUT RIPPLE
vs. LOAD CURRENT
-10
-9 OUTPUT
VOLTAGE
-8
-7
A: MAX1044 WITH
BOOST = V+
-6 B: ICL7660
-5
C: MAX1044 WITH
BOOST = OPEN
700
A
B
630
C
560
490
420
350
-4
-3
OUTPUT
RIPPLE
C
-2
B
280
V+ = 10V
210
LV = OPEN
140
-1
70
A
0
0
0 5 10 15 20 25 30 35 40
LOAD CURRENT (mA)
EFFICIENCY AND SUPPLY CURRENT
vs. LOAD CURRENT
100
50
90
EFFICIENCY
80
70
A: MAX1044 WITH
BOOST = V+
60 B: ICL7660
C: MAX1044 WITH
50
BOOST = OPEN
40
A
45
B
40
C
35
30
25
SUPPLY CURRENT 20
30
15
20
V+ = 5V
LV = OPEN
10
10
5
0
0
0 5 10 15 20 25 30 35 40
LOAD CURRENT (mA)
OUTPUT VOLTAGE AND OUTPUT RIPPLE
vs. LOAD CURRENT
-5.0
800
OUTPUT VOLTAGE
-4.5
720
-4.0
A
640
-3.5
A: MAX1044 WITH
BOOST = V+
B
560
-3.0 B: ICL7660
480
C: MAX1044 WITH
-2.5
BOOST = OPEN
C 400
-2.0
320
-1.5
C
V+ = 5V
240
LV = OPEN
-1.0
B
160
-0.5
0
0
80
A
OUTPUT RIPPLE
0
5 10 15 20 25 30 35 40
LOAD CURRENT (mA)
EFFICIENCY AND SUPPLY CURRENT
vs. LOAD CURRENT
100
10
90
9
EFFICIENCY
80
8
70
7
60
6
50
5
40
SUPPLY CURRENT
4
30
3
20
2
10
V+ = 2V
LV = GND
1
0
0
0 1 2 3 4 5 6 7 8 9 10
LOAD CURRENT (mA)
EFFICIENCY AND SUPPLY CURRENT
vs. LOAD CURRENT
100
50
B, C
90
A
45
EFFICIENCY
80
40
70
A: MAX1044 WITH
BOOST = V+
35
60 B: ICL7660
30
50
C: MAX1044 WITH
BOOST = OPEN
25
40
SUPPLY CURRENT 20
30
15
20
10
10
V+ = 10V
LV = OPEN
5
0
0
0 5 10 15 20 25 30 35 40
LOAD CURRENT (mA)
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