ICL7660CPA Maxim Integrated Products, ICL7660CPA Datasheet - Page 4

• Manufacturer Part Number: ICL7660CPA
• Description: Charge Pumps Switched-Capacitor Voltage Converter
• Manufacturer: Maxim Integrated Products

Specifications of ICL7660CPA

• Function: Inverting, Step Up
• Output Voltage: - 1.5 V to - 10 V, 3 V to 20 V
• Output Current: 20 mA
• Maximum Operating Temperature: + 70 C
• Package / Case: PDIP-8 Narrow
• Minimum Operating Temperature: 0 C
• Mounting Style: Through Hole

Switched-Capacitor Voltage Converters
4
(V+ = 5V; C
____________________________Typical Operating Characteristics (continued)
_______________________________________________________________________________________
1000
900
800
700
600
500
400
300
200
100
0
10
1
BYPASS
vs. OSCILLATOR FREQUENCY
10
OUTPUT RESISTANCE
2
FREQUENCY (Hz)
2000
1000
= 0.1µF; C1 = C2 = 10µF; LV = open; OSC = open; T
100
100
0.1
80
60
40
20
10
1
0
-50
10
1
3
C
A
2
B
-25
OSCILLATOR FREQUENCY
EXTERNAL
HCMOS
OSCILLATOR
3
10
QUIESCENT CURRENT
vs. SUPPLY VOLTAGE
A: MAX1044, BOOST = V+, LV = GND
B: MAX1044, BOOST = V+, LV = OPEN
C: ICL7660 and MAX1044 with
D: ICL7660 and MAX1044 with
SUPPLY VOLTAGE (V)
vs. TEMPERATURE
4
TEMPERATURE (°C)
BOOST = OPEN, LV = GND;
ABOVE 5V, MAX1044 ONLY
BOOST = OPEN, LV = OPEN
0
4
A
B
D
C
25
5
10
5
6
A: MAX1044 with
B: ICL7600
C: MAX1044 with
50
BOOST = V+
BOOST = OPEN
7
75
8
100 125
200
180
160
140
120
100
9
80
60
40
20
0
1
10
2
3
OUTPUT RESISTANCE
vs. SUPPLY VOLTAGE
SUPPLY VOLTAGE (V)
4
5
6
A
7
= +25°C; unless otherwise noted.)
8
10,000
1000
500
400
300
200
100
9
100
10
0
1
10
10
-50
0
USING
EXTERNAL
CAPACITOR
-25
10
ICL7660, MAX1044 with BOOST = OPEN
vs. OSCILLATOR FREQUENCY
OSCILLATOR FREQUENCY (Hz)
1
QUIESCENT CURRENT
QUIESCENT CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
0
10
2
80
70
60
50
40
30
20
25
-60 -40 -20 0 20 40 60 80 100 120 140
10
3
50
ICL7660,
MAX1044 with
BOOST = OPEN
MAX1044 with
BOOST = V+
USING
EXTERNAL
HCMOS
OSCILLATOR
10
75
OUTPUT RESISTANCE
vs. TEMPERATURE
4
TEMPERATURE (°C)
100 125
10
5
MAX1044 with
BOOST = V+
5x10
5