MAX1686 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX1686 Datasheet PDF : 8 Pages
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3V to 5V Regulating
Charge Pumps for SIM Cards
Typical Operating Characteristics
(See Typical Operating Circuit, CIN = 0.47µF, CX = 0.22µF, COUT = 10µF, VIN = 3.3V, TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(5V MODE)
90
80
70
VIN = 2 .7V
VIN = 3.3V
60
50
VIN = 3.6V
40
30
20
10
0
0.1
1
10
100
LOAD CURRENT (mA)
10,000
NO-LOAD INPUT CURRENT
vs. INPUT VOLTAGE (5V MODE)
1000
100
10
1
0
12
3
4
5
6
INPUT VOLTAGE (V)
OUTPUT VOLTAGE
vs. INPUT VOLTAGE (3V MODE)
6
NO LOAD
5
4
3
2
EFFICIENCY vs. INPUT VOLTAGE
(5V MODE)
90
80
ILOAD = 10mA
70
ILOAD = 1mA
60
50
40
30
20
10
0
0
1
2
3
4
5
6
INPUT VOLTAGE (V)
NO-LOAD INPUT CURRENT
vs. INPUT VOLTAGE (3V MODE)
1000
100
10
1
0.1
0
12
3
4
5
6
INPUT VOLTAGE (V)
OUTPUT VOLTAGE
vs. LOAD CURRENT (3V MODE)
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
0
5
10
15
20
25
LOAD CURRENT (mA)
OUTPUT VOLTAGE
vs. INPUT VOLTAGE (5V MODE)
6
NO LOAD
5
MAX1686H
4
MAX1686
4.80
4.79
4.78
4.77
4.76
4.75
4.74
4.73
4.72
4.71
4.70
0.1
MAX1686 OUTPUT VOLTAGE
vs. LOAD CURRENT (5V MODE)
VIN = 3.6V
VIN = 3 .3V
VIN = 2.7V
1
10
100
LOAD CURRENT (mA)
OUTPUT WAVEFORM
(ILOAD = 10mA)
3
VOUT
(20mV/div)
2
1
1
0
0123456
INPUT VOLTAGE (V)
0
0123456
INPUT VOLTAGE (V)
2.5µs/div
5V MODE, AC COUPLED,
COUT = 10µF 0.1µF
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