AAT3140(2007) Ver la hoja de datos (PDF) - Advanced Analogic Technologies
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AAT3140
(Rev.:2007)
(Rev.:2007)
Advanced Analogic Technologies
AAT3140 Datasheet PDF : 16 Pages
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AAT3140
High Efficiency 1X/1.5X/2X Charge Pump
for White LED Applications
Typical Characteristics
VIN = 3.5V, CIN = CCP = C1 = C2 = 1µF, TA = 25°C, unless otherwise noted.
Input Current vs. Input Voltage
(4x10mA)
Input Current vs. Input Voltage
(4x30mA)
90
80
70
VDIODE = 3.4V
60
50
40
30
20
VDIODE = 3.0V
10
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
300
250
200
VDIODE = 3.4V
150
100
50
VDIODE = 3.0V
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
Input Voltage (V)
Diode Current vs. Input Voltage
(30mA, 15mA Settings)
40
35
VDIODE = 3.4V
30
25
20
VDIODE = 3.4V
15
10
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Input Voltage (V)
VIH and VIL vs. VIN
0.850
0.825
0.800
0.775
0.750
VIH
0.725
VIL
0.700
0.675
0.650
0.625
0.600
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Input Voltage (V)
3140.2007.03.1.3
9
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