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參數(shù)資料
| 型號(hào)： | MAX1680 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 125mA, Frequency-Selectable, Switched-Capacitor Voltage Converters |
| 中文描述： | 125mA、頻率可選、開關(guān)電容電壓變換器 |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 103K |
| 代理商： | MAX1680 |
V
M
125mA, Frequenc y-S elec table,
S witc hed-Capac itor Voltage Converters
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN..............................................................................-0.3V to +6V
LV....................................................(V
OUT
- 0.3V) to (V
IN
+ 0.3V)
CAP+ ...........................................................-0.3V to (V
IN
+ 0.3V)
SHDN, FSEL ......................................(V
LV
- 0.3V) to (V
IN
+ 0.3V)
OUT, CAP-..................................................................-6V to 0.3V
Continuous Output Current ..............................................135mA
Output Short-Circuit Duration to GND (Note 1) ...................1sec
Note 1:
Shorting OUT to IN may damage the device and should be avoided.
ELECTRICAL CHARACTERISTICS
(Typical Operating Circuits (inverter configuration), FSEL = LV = GND, V
IN
= 5V, C1 = C2 = 10μF (MAX1680), C1 = C2 = 2.2μF
(MAX1681),
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25°C.)
CONDITIONS
SYMBOL
PARAMETER
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.
Continuous Power Dissipation (T
A
= +70°C)
SO (derate 5.88mW/°C above +70°C)..........................471mW
Operating Temperature Range ...........................-40°C to +85°C
J unction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
I
LOAD
= 125mA
Inverter configuration,
R
L
= 1k
, LV = GND
LV = GND (Note 3)
FSEL = IN or LV
SHDN = IN
OUT = GND, SHDN = IN
375
285
500
625
745
750
570
1000
1250
1490
94
79
125
156
174
187
157
250
313
348
4
V
IH
V
-3.75
-4.56
V
LOAD
Output Voltage Under Load
(Note 2)
V
3.0
2.5
5.5
5.5
2.0
5.5
V
1
V
IL
Shutdown, FSEL Thresholds
μA
-1
1
I
FSEL
Input Bias Current (FSEL)
3.5
10
R
OUT
Output Resistance (Note 2)
1
5
R
OUT(SHUT)
Output Resistance to Ground
in Shutdown
μA
μA
1
1
I+
SHDN
I
SHDN
Shutdown Current
Input Bias Current (SHDN)
-1
UNITS
MIN
TYP
MAX
Doubler configuration,
R
L
= 1k
, LV = OUT
4.0
5.5
4.5
V
IN
Input Voltage Range
MAX1680
5.4
9
mA
10.8
18
FSEL = IN
(125kHz)
FSEL = LV
(250kHz)
MAX1681
21.6
36
43.2
I+
FSEL = IN
(500kHz)
Supply Current
FSEL = LV
(1MHz)
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
MAX1681
MAX1680
MAX1680
MAX1681
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
T
A
= +25°C
2.5
5
10
20
FSEL = LV
FSEL = IN
MAX1680
FSEL = LV
kHz
FSEL = IN
MAX1681
f
OSC
Switching Frequency
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