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參數(shù)資料
| 型號： | MAX865 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Compact, Dual-Output Charge Pump |
| 中文描述： | 緊湊的、雙輸出電荷泵 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 89K |
| 代理商： | MAX865 |
M
Compac t, Dual-Output Charge Pump
_______________________________________________________________________________________
3
10
8
-10
0
2
6
14
OUTPUT VOLTAGE vs.
OUTPUT CURRENT
-4
-6
-8
6
4
M
OUTPUT CURRENT (mA)
O
4
8
10
0
-2
2
12
V-
C1 = C2 = C3 = C4 = 3.3
μ
F
V
IN
= 4.75V
V-
BOTH V+ AND
V- LOADED EQUALLY
V+
V+
400
350
0
0
20 25
50
OUTPUT VOLTAGE RIPPLE
vs. PUMP CAPACITANCE
100
50
300
M
PUMP CAPACITANCE (
μ
F)
O
5
10 15
30 35
200
150
250
40 45
C1 = C2 = C3 = C4
A
B
D
E
F
C
A: V+, IN = 4.75V, V+ +
|
V-
|
= 16V
B: V+, IN = 3.15V, V+ +
|
V-
|
= 10V
C: V+, IN = 1.90V, V+ +
|
V-
|
= 6V
D: V-, IN = 4.75V, V+ +
|
V-
|
= 16V
E: V-, IN = 3.15V, V+ +
|
V-
|
= 10V
F: V-, IN = 1.90V, V+ +
|
V-
|
= 6V
7
6
0
0
20 25
50
OUTPUT CURRENT
vs. PUMP CAPACITANCE
2
1
5
M
PUMP CAPACITANCE (
μ
F)
O
5
10 15
30 35
3
4
40 45
V
IN
= 4.75V, V+ +
|
V-
|
= 16V
C1 = C2 = C3 = C4
V
IN
= 3.15V, V+ +
|
V-
|
= 10V
V
IN
= 1.90V, V+ +
|
V-
|
= 6V
1000
900
0
2.0
3.5
4.0
6.0
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
300
200
100
800
700
M
SUPPLY VOLTAGE (V)
S
μ
A
2.5
3.0
4.5
400
600
500
5.0 5.5
C1 = C2 = C3 = C4 = 3.3
μ
F
300
0
-55
5
25
125
OUTPUT RESISTANCE
vs. TEMPERATURE
100
50
250
M
TEMPERATURE (°C)
O
)
-35 -15
45
65
200
150
85 105
C1 = C2 = C3 = C4 = 3.3
μ
F
V-, V
IN
= 3.3V
V+, V
IN
= 3.3V
V+, V
IN
= 5.0V
V-, V
IN
= 5.0V
27
15
-40
0
TEMPERATURE (°C)
20
100
PUMP FREQUENCY
vs. TEMPERATURE
19
17
25
M
P
-20
40
23
21
60
80
C1 = C2 = C3 = C4 = 3.3
μ
F
V
IN
= 5.0V
V
IN
= 3.3V
V
IN
= 2.0V
250
0
2.0
3.0
3.5
6.0
OUTPUT RESISTANCE
vs. SUPPLY VOLTAGE
50
200
M
SUPPLY VOLTAGE (V)
O
)
2.5
4.0
4.5
150
100
5.0
5.5
C1 = C2 = C3 = C4 = 3.3
μ
F
V-
V+
____________________________Typic al Operating Charac teristic s (c ontinued)
(Circuit of Figure 1, V
IN
= 5V, T
A
= +25°C, unless otherwise noted.)
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