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MAX1681 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Switched-Capacitor Voltage Converters - Maxim

भाग संख्या MAX1681
समारोह Switched-Capacitor Voltage Converters
मैन्युफैक्चरर्स Maxim 
लोगो Maxim लोगो 
पूर्व दर्शन
1 Page
		
<?=MAX1681?> डेटा पत्रक पीडीएफ

MAX1681 pdf
125mA, Frequency-Selectable,
Switched-Capacitor Voltage Converters
ABSOLUTE MAXIMUM RATINGS
IN ..............................................................................-0.3V to +6V
LV....................................................(VOUT - 0.3V) to (VIN + 0.3V)
CAP+ ...........................................................-0.3V to (VIN + 0.3V)
SHDN, FSEL ......................................(VLV - 0.3V) to (VIN + 0.3V)
OUT, CAP- ..................................................................-6V to 0.3V
Continuous Output Current ..............................................135mA
Output Short-Circuit Duration to GND (Note 1) ...................1sec
Continuous Power Dissipation (TA = +70°C)
SO (derate 5.88mW/°C above +70°C) ..........................471mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
Note 1: Shorting OUT to IN may damage the device and should be avoided.
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.
ELECTRICAL CHARACTERISTICS
(Typical Operating Circuits (inverter configuration), FSEL = LV = GND, VIN = 5V, C1 = C2 = 10µF (MAX1680), C1 = C2 = 2.2µF
(MAX1681), TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Input Voltage Range
Inverter configuration,
RL = 1k, LV = GND
VIN
Doubler configuration,
RL = 1k, LV = OUT
MAX1680
MAX1681
MAX1680
MAX1681
2.0
3.0
2.5
4.0
5.5
5.5
V
5.5
V
5.5
Supply Current
MAX1680
I+
MAX1681
FSEL = IN
(125kHz)
FSEL = LV
(250kHz)
FSEL = IN
(500kHz)
FSEL = LV
(1MHz)
TA = +25°C
TA = +25°C
TA = +25°C
TA = +25°C
2.5 4.5
5.4
59
10.8
mA
10 18
21.6
20 36
43.2
Output Voltage Under Load
(Note 2)
VLOAD ILOAD = 125mA
-3.75 -4.56
V
Output Resistance (Note 2)
ROUT
FSEL = IN or LV
3.5 10
Output Resistance to Ground
in Shutdown
ROUT(SHUT)
SHDN = IN
1 5
Shutdown Current
Input Bias Current (SHDN)
Input Bias Current (FSEL)
Shutdown, FSEL Thresholds
Switching Frequency
I+SHDN
ISHDN
IFSEL
VIL
VIH
fOSC
OUT = GND, SHDN = IN
LV = GND (Note 3)
MAX1680
TA = +25°C
FSEL = LV
FSEL = IN TA = +25°C
MAX1681
FSEL = LV TA = +25°C
FSEL = IN TA = +25°C
-1
-1
4
187
157
94
79
750
570
375
285
1
1
1
1
250
125
1000
500
313
348
156
174
1250
1490
625
745
µA
µA
µA
V
kHz
2 _______________________________________________________________________________________
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