AAT3142 查看數據表（PDF） - Analog Technology Inc
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AAT3142 Datasheet PDF : 16 Pages
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AAT3142
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
(3x10mA)
Input Current vs. Input Voltage
(3x30mA)
70
60
VDIODE = 3.4V
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
200
180
160
VDIODE = 3.4V
140
120
100
80
60
40
VDIODE = 3.0V
20
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)
3142.2007.03.1.2
9
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