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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 2/6頁(yè) |
| 文件大?。?/td> | 76K |
| 代理商： | MAX679 |
M
Regulated 3.3V Charge Pump
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN, OUT,
SHDN
, FSET to GND....................................-0.3V to 6V
PGND to GND.....................................................................±0.3V
C1- to GND ..................................................-0.3V to (V
IN
+ 0.3V)
C1+ to GND..............................................-0.3V to (V
OUT
+ 0.3V)
OUT Short to GND..............................................................10sec
ELECTRICAL CHARACTERISTICS
(V
IN
= V
SHDN
= V
FSET
= 2V, C
IN
= 4.7μF, C1 = 0.33μF, C
OUT
= 10μF,
T
A
= -40°C to +85°C
, unless otherwise noted. Typical values
are at T
A
= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Note 1:
Specifications to -40°C are guaranteed by design, not production tested.
Continuous Power Dissipation (T
A
= +70°C)
μMAX (derate 4.1mW/°C above +70°C) .......................330mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
FSET = GND
FSET
,
SHDN
= GND or V
IN
V
IN
= 2V, I
OUT
= 10mA
V
IN
= 3.6V
V
IN
= 1.8V
V
IN
= 1.8V, V
OUT
> 3.17V
V
IN
= 2.5V, FSET = IN or GND
V
OUT
= 3.6V,
SHDN
= GND
OUT = GND, V
IN
= 3.3V
V
IN
= 3.3V
FSET = IN
CONDITIONS
%
80
Efficiency
mA
100
200
Output Short-Circuit Current
kHz
700
1000
1300
V
0.8
1.6
V
1.8
3.6
Input Voltage
Input Undervoltage Lockout Voltage
260
330
450
Switching Frequency
μA
0.1
1
FSET,
SHDN
Input Leakage Current
V
0.7 x
V
IN
0.5 x
V
IN
FSET,
SHDN
Input Voltage High
V
0.5 x
V
IN
0.3 x
V
IN
FSET,
SHDN
Input Voltage Low
mA
20
Output Current
μA
50
80
No-Load Supply Current
μA
15
25
Leakage Current into OUT in Shutdown
μA
1
5
Supply Current in Shutdown
UNITS
MIN
TYP
MAX
PARAMETER
2V < V
IN
< 3.3V,
0mA < I
OUT
< 20mA
3.15
3.45
Output Voltage
T
A
= 0°C to +85°C
T
A
= -40°C to +85°C
V
3.17
3.3
3.43
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