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參數(shù)資料
| 型號： | MAX679 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Regulated 3.3V Charge Pump(穩(wěn)壓的3.3V電荷泵) |
| 中文描述： | 穩(wěn)壓型、3.3V電荷泵 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 76K |
| 代理商： | MAX679 |
M
Regulated 3.3V Charge Pump
_______________________________________________________________________________________
3
0
EFFICIENCY
vs. OUTPUT CURRENT
20
10
M
OUTPUT CURRENT (mA)
E
10
50
70
60
40
30
0.01
1
100
90
80
100
0.1
FSET = IN (1MHz)
V
IN
= 3.0V
V
IN
= 3.5V
V
IN
= 2.4V
V
IN
= 2.0V
V
IN
= 1.8V
0
0.01
EFFICIENCY
vs. OUTPUT CURRENT
20
10
30
M
OUTPUT CURRENT (mA)
E
10
60
50
80
70
40
0.1
100
90
100
1
V
IN
= 3.5V
V
IN
= 3.0V
V
IN
= 2.4V
V
IN
= 2.0V
V
IN
= 1.8V
FSET = GND (330kHz)
2.8
0
OUTPUT VOLTAGE
vs. OUTPUT CURRENT
3.0
2.9
M
OUTPUT CURRENT (mA)
O
3.3
3.4
3.1
3.2
20
30
10
60
70
80
3.5
3.6
40
50
FSET = GND (330kHz)
DASHED LINES INDICATE
OUTPUT OUT OF REGULATION
V
IN
= 3.5V
V
IN
= 3.0V
V
IN
= 2.4V
V
IN
= 2.0V
V
IN
= 1.8V
2.9
0
OUTPUT VOLTAGE
vs. OUTPUT CURRENT
3.0
M
OUTPUT CURRENT (mA)
O
80 90
3.2
3.1
20 30
10
60 70
100
3.3
3.4
40 50
FSET = IN (1MHz)
DASHED LINES INDICATE
OUTPUT OUT OF REGULATION
V
IN
= 3.5V
V
IN
= 3.0V
V
IN
= 2.4V
V
IN
= 2.0V
V
IN
= 1.8V
0.1
1.8
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
μ
A
3.2 3.4
10
1
2.2
2.0
3.0
3.6
100
2.6 2.8
2.4
SHDN = IN
SHDN = GND
0
-40
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
100
M
TEMPERATURE (°C)
S
60
300
400
200
-15
35
85
500
600
10
V
IN
= 2.4V
__________________________________________Typic al Operating Charac teristic s
(Typical Operating Circuit with: V
IN
= V
SHDN
= 2V, C
IN
= 4.7μF, C1 = 0.33μF, C
OUT
= 10μF, tested in-circuit, T
A
= +25°C, unless
otherwise noted.)
300
-40
PUMP FREQUENCY
vs. TEMPERATURE
310
M
TEMPERATURE (°C)
P
60
330
340
320
-15
35
85
350
360
10
FSET = GND (330kHz)
V
IN
= 2.5V
900
-40
PUMP FREQUENCY
vs. TEMPERATURE
940
920
960
M
TEMPERATURE (°C)
P
60
1020
1000
1060
1040
980
-15
35
85
1080
1100
10
FSET = IN (1MHz)
V
IN
= 2.5V
OUTPUT RIPPLE (2mA LOAD)
M
V
OUT
50mV/div
AC COUPLED
100
μ
s/div
FSET = GND (330kHz)
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