MAX682 데이터 시트보기 (PDF) - Maxim Integrated
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MAX682 Datasheet PDF : 12 Pages
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3.3V-Input to Regulated 5V-Output
Charge Pumps
ELECTRICAL CHARACTERISTICS (continued)
(VIN = 3V, V SKIP = 0V, CIN = 1µF, CX = 0.47µF, COUT = 2µF, ISHDN = 22µA; IMAX = 250mA for MAX682, IMAX = 100mA for MAX683,
IMAX = 50mA for MAX684; TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SKIP Input Voltage Low
SKIP Input Voltage High
SKIP Input Leakage Current
SYMBOL
CONDITIONS
VINL, SKIP
VINH, SKIP VIN = 5.5V
ISKIP VIN = 5.5V, V SKIP = 0V or 5.5V
MIN TYP MAX UNITS
0.8
V
2.4
-1
1
µA
Note 1: Specifications to -40°C are guaranteed by design and not production tested.
Note 2: Current into SHDN determines oscillator frequency: REXT (kΩ) = 45000 (VIN - 0.69V) / fOSC (kHz)
__________________________________________Typical Operating Characteristics
(Circuit of Figure 5, VIN = 3.3V, component values from Tables 2 and 3, TA = +25°C, unless otherwise noted.)
NO-LOAD SUPPLY CURRENT
vs. SUPPLY VOLTAGE
10
SKIP = HIGH
ISHDN = 22µA
8
MAX682
6
4
MAX683
2
MAX684
0
2
3
4
5
6
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE vs. LOAD CURRENT
(SKIP = LOW)
5.50
5.25
5.00
MAX684
4.75
MAX682
MAX683
4.50
4.25
4.00
1
10
100
1000
LOAD CURRENT (mA)
OUTPUT VOLTAGE vs. LOAD CURRENT
(SKIP = HIGH)
5.50
SKIP = HIGH
5.25 ISHDN = 22µA
5.00
4.75
MAX684
MAX683
4.50
MAX682
4.25
4.00
1
10
100
1000
LOAD CURRENT (mA)
OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
5.50
SKIP = LOW
5.25
5.00
4.75
OSCILLATOR FREQUENCY vs.
SHUTDOWN PIN INPUT CURRENT
10M
1M
NO-LOAD SUPPLY CURRENT vs.
SHUTDOWN PIN INPUT CURRENT
100
SKIP = HIGH
MAX682
10
MAX683
4.50
SKIP = HIGH
4.25
100k
1
4.00
3.75
3.50
2
3
4
5
6
SUPPLY VOLTAGE (V)
10k
0.1
1
10
100
SHDN INPUT CURRENT (µA)
0.1
0.1
MAX684
1
10
100
SHDN INPUT CURRENT (µA)
_______________________________________________________________________________________ 3
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