MAX864 Maxim, MAX864 Datasheet - Page 4

• Manufacturer Part Number: MAX864
• Description: Dual-Output Charge Pump with Shutdown
• Manufacturer: Maxim

Dual-Output Charge Pump with Shutdown
(V
4
____________________________Typical Operating Characteristics (continued)
IN
700
600
500
400
300
200
100
800
12
10
14
_______________________________________________________________________________________
0
8
6
4
2
0
7
6
5
4
3
2
1
0
= 5.0V, capacitor values in Table 1, T
OUTPUT CURRENT vs. PUMP CAPACITANCE
-55
0
0
SUPPLY CURRENT vs. TEMPERATURE
C1 = C2 = C3 = C4
5
-35
5
(V
(V
33kHz
IN
IN
100kHz
7kHz
OUTPUT VOLTAGE RIPPLE
10 15
10 15
vs. PUMP CAPACITANCE
-15
7kHz
PUMP CAPACITANCE ( F)
PUMP CAPACITANCE ( F)
= 4.75V, V+ + V- = 16V)
= 4.75V, V+ + V- = 16V)
33kHz
TEMPERATURE (°C)
100kHz
FC1 = 1, FC0 = 1
FC1 = 1, FC0 = 0
FC1 = 0, FC0 = 1
FC1 = 0, FC0 = 0
5
OUTPUT RIPPLE IS
MEASURED FOR THE
LOAD CURRENT INDICATED
IN THE "OUTPUT CURRENT
vs. PUMP CAPACITANCE"
GRAPH AT V
(V
20
20
IN
185kHz
25
25
25
= 3.3V)
45
C1 = C2 = C3 = C4
30
30
185kHz
IN
65
35
35
= 4.75V.
85
40 45
40 45
105
50
125
50
A
= +25°C, unless otherwise noted.)
350
300
250
200
150
100
400
600
500
400
300
200
100
50
14
12
10
0
8
6
4
2
0
0
-55
1.0
0
SUPPLY CURRENT vs. TEMPERATURE
C1 = C2 = C3 = C4
5
-35
SHUTDOWN SUPPLY CURRENT
(V
OUTPUT VOLTAGE RIPPLE
2.0
10 15
vs. PUMP CAPACITANCE
-15
IN
PUMP CAPACITANCE ( F)
33kHz
vs. SUPPLY VOLTAGE
= 1.9V, V+ + V- = 6V)
SUPPLY VOLTAGE (V)
100kHz
TEMPERATURE (°C)
FC1 = 1, FC0 = 1
FC1 = 1, FC0 = 0
FC1 = 0, FC0 = 1
FC1 = 0, FC0 = 0
5
OUTPUT RIPPLE IS
MEASURED FOR THE
LOAD CURRENT INDICATED
IN THE "OUTPUT CURRENT
vs. PUMP CAPACITANCE"
GRAPH AT V
20
3.0
(V
185kHz
25
IN
25
= 5V)
45
4.0
30
7kHz
IN
65
= 1.9V.
35
85
40 45
5.0
105
6.0
50
125
600
500
400
300
200
100
180
160
140
120
100
200
2.5
2.0
1.5
1.0
0.5
3.0
80
60
40
20
0
0
0
-55
-55
0
C1 = C2 = C3 = C4
5
-35
-35
(V
33kHz
SHUTDOWN SUPPLY CURRENT
IN
OUTPUT VOLTAGE RIPPLE
10 15
vs. PUMP CAPACITANCE
-15
-15
7kHz
= 3.15V, V+ + V- = 10V)
PUMP CAPACITANCE ( F)
vs. TEMPERATURE
PUMP FREQUENCY
vs. TEMPERATURE
TEMPERATURE (°C)
TEMPERATURE (°C)
100kHz
5
5
OUTPUT RIPPLE IS
MEASURED FOR THE
LOAD CURRENT INDICATED
IN THE "OUTPUT CURRENT
vs. PUMP CAPACITANCE"
GRAPH AT V
20
V
25
25
IN
25
= 5.0V
185kHz
45
45
30
V
FC1 = 1, FC0 = 1
FC1 = 1, FC0 = 0
FC1 = 0, FC0 = 1
FC1 = 0, FC0 = 0
IN
IN
65
65
= 3.3V
35
= 3.15V.
85
85
40 45
105
105
125
50
125